Do you need to know, when is the best time to go to Jamaica? Then you should take a look here, what weather you can expect there during the year.
There are two types of climate in Jamaica, but generally speaking you can expect tropical weather. On the leeward side of the mountains you can expect semiarid climate, on the windward side is tropical climate. Rains are heaviest from May to October.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Blue Mountains, Cornwall County, Falmouth, Great Goat Island, Kingston, Middlesex County, Montego Bay, Morant Bay, Negril, Ocho Rios, Port Antonio, Surrey County.
Let's look now what weather you can expect in the area around the capital and in many other cities. The warmest month here is August, the average maximum temperature is 33.7 ℃ (92.66 ℉). The average minimum temperature in this month is 24.1 ℃ (75.38 ℉). The coldest month here is December, the average maximum temperature is 31 ℃ (87.8 ℉). The average minimum temperature in this month is 21.5 ℃ (70.7 ℉). The most rainy month here is October, the average number of rainy days is 13.9. The least rainy month here is February, the average number of rainy days is 4.9. 
When travelling to some places in Jamaica, always consider the altitude of the the place as well. The highest point here is Blue Mountain Peak (2256 m) and the lowest point is Caribbean Sea (0 m). So there are quite big differences in altitudes in this country, so you can expect the weather to be different in different altitudes as well. 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 Jamaica in January is this: The average highest temperature in Jamaica in January is 31.1 ℃ (87.98 ℉). The average lowest temperature is 21.8 ℃ (71.24 ℉). At the beginning of January you can expect lower temperatures, the average highest temperature is around 31.05 ℃ (87.89 ℉). At the end of January you can expect lower temperatures, the average highest temperature is around 31.1 ℃ (87.98 ℉). The average number of rainy days in January is 5.1. The average rainfall is 18.1 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 11:04 (hours and minutes), in the middle of the month 11:10 and at the end of the month 11:20.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 Jamaica in February is this: The average highest temperature in Jamaica in February is 31.1 ℃ (87.98 ℉). The average lowest temperature is 21.1 ℃ (69.98 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 31.1 ℃ (87.98 ℉). At the end of February you can expect lower temperatures, the average highest temperature is around 31.1 ℃ (87.98 ℉). The average number of rainy days in February is 4.9. The average rainfall is 18.6 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 11:20 (hours and minutes), in the middle of the month 11:32 and at the end of the month 11:47.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 Jamaica in March is this: The average highest temperature in Jamaica in March is 31.1 ℃ (87.98 ℉). The average lowest temperature is 22.1 ℃ (71.78 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 31.1 ℃ (87.98 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). The average number of rainy days in March is 4.9. The average rainfall is 19.9 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 11:47 (hours and minutes), in the middle of the month 12:02 and at the end of the month 12:18.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 Jamaica in April is this: The average highest temperature in Jamaica in April is 31.9 ℃ (89.42 ℉). The average lowest temperature is 22.6 ℃ (72.68 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 31.9 ℃ (89.42 ℉). The average number of rainy days in April is 7. The average rainfall is 38.3 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 12:18 (hours and minutes), in the middle of the month 12:32 and at the end of the month 12:46.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 Jamaica in May is this: The average highest temperature in Jamaica in May is 31.9 ℃ (89.42 ℉). The average lowest temperature is 23.9 ℃ (75.02 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 31.9 ℃ (89.42 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 32.4 ℃ (90.32 ℉). The average number of rainy days in May is 7.9. The average rainfall is 99.9 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 12:46 (hours and minutes), in the middle of the month 12:58 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 Jamaica in June is this: The average highest temperature in Jamaica in June is 32.9 ℃ (91.22 ℉). The average lowest temperature is 24 ℃ (75.2 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 32.4 ℃ (90.32 ℉). At the end of June you can expect lower temperatures, the average highest temperature is around 32.9 ℃ (91.22 ℉). The average number of rainy days in June is 6.9. The average rainfall is 75.3 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 13:07 (hours and minutes), in the middle of the month 13:11 and at the end of the month 13:11.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 Jamaica in July is this: The average highest temperature in Jamaica in July is 32.9 ℃ (91.22 ℉). 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 32.9 ℃ (91.22 ℉). At the end of July you can expect higher temperatures, the average highest temperature is around 33.3 ℃ (91.94 ℉). The average number of rainy days in July is 6.1. The average rainfall is 41.7 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 13:11 (hours and minutes), in the middle of the month 13:06 and at the end of the month 12:57.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 Jamaica in August is this: The average highest temperature in Jamaica in August is 33.7 ℃ (92.66 ℉). The average lowest temperature is 24.1 ℃ (75.38 ℉). At the beginning of August you can expect lower temperatures, the average highest temperature is around 33.3 ℃ (91.94 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 32.75 ℃ (90.95 ℉). The average number of rainy days in August is 9.1. The average rainfall is 96.4 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 12:57 (hours and minutes), in the middle of the month 12:46 and at the end of the month 12:32.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 Jamaica in September is this: The average highest temperature in Jamaica in September is 31.8 ℃ (89.24 ℉). The average lowest temperature is 23.9 ℃ (75.02 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 32.75 ℃ (90.95 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). The average number of rainy days in September is 11. The average rainfall is 112.4 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 12:32 (hours and minutes), in the middle of the month 12:17 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 Jamaica in October is this: The average highest temperature in Jamaica in October is 31.2 ℃ (88.16 ℉). The average lowest temperature is 23.4 ℃ (74.12 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 31.5 ℃ (88.7 ℉). At the end of October you can expect higher temperatures, the average highest temperature is around 31.55 ℃ (88.79 ℉). The average number of rainy days in October is 13.9. The average rainfall is 176.7 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 11:47 and at the end of the month 11:33.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 Jamaica in November is this: The average highest temperature in Jamaica in November is 31.9 ℃ (89.42 ℉). The average lowest temperature is 23.2 ℃ (73.76 ℉). At the beginning of November you can expect lower temperatures, the average highest temperature is around 31.55 ℃ (88.79 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 31.45 ℃ (88.61 ℉). The average number of rainy days in November is 10.1. The average rainfall is 65.6 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 11:33 (hours and minutes), in the middle of the month 11:20 and at the end of the month 11:10.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 Jamaica in December is this: The average highest temperature in Jamaica in December is 31 ℃ (87.8 ℉). The average lowest temperature is 21.5 ℃ (70.7 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 31.45 ℃ (88.61 ℉). At the end of December you can expect higher temperatures, the average highest temperature is around 31.05 ℃ (87.89 ℉). The average number of rainy days in December is 5.9. The average rainfall is 46 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 11:10 (hours and minutes), in the middle of the month 11:04 and at the end of the month 11:03.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.| Kingston | temperature: - | highest temperature: 31 ℃ (87.8 ℉) | lowest temperature: 21.5 ℃ (70.7 ℉) | rainfall: 46mm | rainy days: 5.9 |
| Montego Bay | temperature: - | highest temperature: 28.8 ℃ (83.84 ℉) | lowest temperature: 22.6 ℃ (72.68 ℉) | rainfall: 102.6mm | rainy days: 9.2 |