Do you need to know, when is the best time to go to Pacific Coast? Then you should take a look here, what weather you can expect there during the year.
Pacific Coast is part of Mexico. The climate of Mexico is varied, somewhere it is tropical, somewhere desert. In the north you can expect experiences lower temperatures during winter and less rains during the year. In the south the temperatures are quite constant year round. But you should alway consider the elevation of the place, where you are planning to go. Most of the country has a rainy season from June to October.
When speaking about the usual weather in this area, the information is relevant for example for these popular places: Acapulco, Ajijic, Angangueo, Barra de Navidad, Barra de Potosí, Bucerias, Chacala, Chapala, Colima, Cuajinicuilapa, Erongarícuaro, Guadalajara, Guerrero, Hierve el Agua, Huatulco, Iguala, Ixtapa, Jalisco, Janitzio, Jaracuaro, La Manzanilla, La Peñita de Jaltemba, Lake Patzcuaro, Lazaro Cardenas, Lo de Marcos, Manzanillo, Maruata, Mazunte, Michoacan, Monarch Butterfly Reserves, Monte Alban, Morelia, Napizaro, Nayarit, Oaxaca, Opongio, Paracho de Verduzco, Paricutin, Patzcuaro, Puerto Escondido, Puerto Vallarta, Punta Mita, San Blas, San José del Pacífico, San Juan de los Lagos, San Luis Soyatlán, San Patricio Melaque, Santa Clara De Cobre, Santa Fe La Laguna, Sayulita, Taxco, Tepatitlan, Tepic, Tequila, Troncones, Tzintsuntzan, Uruapan, Zamora de Hidalgo, Zihuatanejo, Zipolite, Zirahuen.
Let's look now what weather you can expect in the area around Acapulco and in many other cities. The warmest month here is July, the average maximum temperature is 32.8 ℃ (91.04 ℉). The average minimum temperature in this month is 24.8 ℃ (76.64 ℉). The coldest month here is January, the average maximum temperature is 29.8 ℃ (85.64 ℉). The average minimum temperature in this month is 23.7 ℃ (74.66 ℉). The most rainy month here is September, the average number of rainy days is 14.4. The least rainy month here is March, the average number of rainy days is 0.2. 
When travelling around Pacific Coast, always consider the altitude of the the place as well. We should remind you, that the highest point in Mexico is Volcan Pico de Orizaba (5636 m) and the lowest point is Laguna Salada (-10 m). So there are huge differences in altitudes in this country and the weather is very different in them therefore. Keep in mind, that the temperature usually decreases by 1.2 - 1.9 ℃ (2.2 - 3.5 ℉) per 200 m (656 ft), depending on the other conditions. (And we should add, that in the very special condition named thermal inversion even the temperature may be higher in higher altitudes.)
Typical (usual) weather in Pacific Coast in January is this: The average highest temperature in Pacific Coast in January is 29.8 ℃ (85.64 ℉). The average lowest temperature is 23.7 ℃ (74.66 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around 30.6 ℃ (87.08 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 29.95 ℃ (85.91 ℉). The average number of rainy days in January is 1. The average rainfall is 13.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:08 (hours and minutes), in the middle of the month 11:13 and at the end of the month 11:23.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in February is this: The average highest temperature in Pacific Coast in February is 30.1 ℃ (86.18 ℉). The average lowest temperature is 24.2 ℃ (75.56 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 29.95 ℃ (85.91 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 30.65 ℃ (87.17 ℉). The average number of rainy days in February is 0.5. The average rainfall is 3.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:23 (hours and minutes), in the middle of the month 11:35 and at the end of the month 11:48.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in March is this: The average highest temperature in Pacific Coast in March is 31.2 ℃ (88.16 ℉). The average lowest temperature is 23.3 ℃ (73.94 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 30.65 ℃ (87.17 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 31.3 ℃ (88.34 ℉). The average number of rainy days in March is 0.2. The average rainfall is 1.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:48 (hours and minutes), in the middle of the month 12:02 and at the end of the month 12:17.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in April is this: The average highest temperature in Pacific Coast in April is 31.4 ℃ (88.52 ℉). The average lowest temperature is 24.3 ℃ (75.74 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 31.3 ℃ (88.34 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 31.2 ℃ (88.16 ℉). The average number of rainy days in April is 0.3. The average rainfall is 4.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:17 (hours and minutes), in the middle of the month 12:31 and at the end of the month 12:43.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in May is this: The average highest temperature in Pacific Coast in May is 31 ℃ (87.8 ℉). The average lowest temperature is 25.1 ℃ (77.18 ℉). At the beginning of May you can expect higher temperatures, the average highest temperature is around 31.2 ℃ (88.16 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 31.35 ℃ (88.43 ℉). The average number of rainy days in May is 2.5. The average rainfall is 23 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:43 (hours and minutes), in the middle of the month 12:55 and at the end of the month 13:03.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in June is this: The average highest temperature in Pacific Coast in June is 31.7 ℃ (89.06 ℉). The average lowest temperature is 25.5 ℃ (77.9 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 31.35 ℃ (88.43 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 32.25 ℃ (90.05 ℉). The average number of rainy days in June is 13. The average rainfall is 267.7 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:03 (hours and minutes), in the middle of the month 13:07 and at the end of the month 13:07.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in July is this: The average highest temperature in Pacific Coast in July is 32.8 ℃ (91.04 ℉). The average lowest temperature is 24.8 ℃ (76.64 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 32.25 ℃ (90.05 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 32.65 ℃ (90.77 ℉). The average number of rainy days in July is 11.8. The average rainfall is 248 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:07 (hours and minutes), in the middle of the month 13:02 and at the end of the month 12:54.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in August is this: The average highest temperature in Pacific Coast in August is 32.5 ℃ (90.5 ℉). The average lowest temperature is 25.3 ℃ (77.54 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 32.65 ℃ (90.77 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 32.15 ℃ (89.87 ℉). The average number of rainy days in August is 13. The average rainfall is 285.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:54 (hours and minutes), in the middle of the month 12:43 and at the end of the month 12:30.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in September is this: The average highest temperature in Pacific Coast in September is 31.8 ℃ (89.24 ℉). The average lowest temperature is 25 ℃ (77 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 32.15 ℃ (89.87 ℉). At the end of September you can expect higher temperatures, the average highest temperature is around 32.1 ℃ (89.78 ℉). The average number of rainy days in September is 14.4. The average rainfall is 298.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:30 (hours and minutes), in the middle of the month 12:16 and at the end of the month 12:02.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in October is this: The average highest temperature in Pacific Coast in October is 32.4 ℃ (90.32 ℉). The average lowest temperature is 24.8 ℃ (76.64 ℉). At the beginning of October you can expect lower temperatures, the average highest temperature is around 32.1 ℃ (89.78 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 31.7 ℃ (89.06 ℉). The average number of rainy days in October is 7.7. The average rainfall is 129.7 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:02 (hours and minutes), in the middle of the month 11:48 and at the end of the month 11:35.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in November is this: The average highest temperature in Pacific Coast in November is 31 ℃ (87.8 ℉). The average lowest temperature is 24.9 ℃ (76.82 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 31.7 ℃ (89.06 ℉). At the end of November you can expect higher temperatures, the average highest temperature is around 31.2 ℃ (88.16 ℉). The average number of rainy days in November is 1.7. The average rainfall is 17.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:35 (hours and minutes), in the middle of the month 11:23 and at the end of the month 11:14.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Pacific Coast in December is this: The average highest temperature in Pacific Coast in December is 31.4 ℃ (88.52 ℉). The average lowest temperature is 23.9 ℃ (75.02 ℉). At the beginning of December you can expect lower temperatures, the average highest temperature is around 31.2 ℃ (88.16 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 30.6 ℃ (87.08 ℉). The average number of rainy days in December is 1. The average rainfall is 11.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:14 (hours and minutes), in the middle of the month 11:08 and at the end of the month 11:07.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.| Puerto Vallarta | temperature: - | highest temperature: 29.5 ℃ (85.1 ℉) | lowest temperature: 18.2 ℃ (64.76 ℉) | rainfall: 23mm | rainy days: 1.9 |
| Guadalajara | temperature: - | highest temperature: 25.8 ℃ (78.44 ℉) | lowest temperature: 11.6 ℃ (52.88 ℉) | rainfall: 8.1mm | rainy days: 1.8 |
| Acapulco | temperature: - | highest temperature: 31.4 ℃ (88.52 ℉) | lowest temperature: 23.9 ℃ (75.02 ℉) | rainfall: 11.6mm | rainy days: 1 |
| Huatulco | temperature: - | highest temperature: 33.7 ℃ (92.66 ℉) | lowest temperature: 19.3 ℃ (66.74 ℉) | rainfall: 6.5mm | rainy days: 0.4 |
| Manzanillo | temperature: - | highest temperature: 29.4 ℃ (84.92 ℉) | lowest temperature: 21.2 ℃ (70.16 ℉) | rainfall: 15.7mm | rainy days: 1.6 |
| Morelia | temperature: - | highest temperature: 26.2 ℃ (79.16 ℉) | lowest temperature: 6.4 ℃ (43.52 ℉) | rainfall: 5.5mm | rainy days: 1.9 |