Do you need to know, when is the best time to go to Paraguay? Then you should take a look here, what weather you can expect there during the year.
The climate of Paraguay is subtropical in the Paranaense region, and it is temperate in the Chaco. There is substantial rainfall in the eastern portions of the country, but it is semiarid in the far west. You can expect moderate weather here, but warm summer winds or cold winter winds can change temperature quickly.
When speaking about the usual weather in this state, the information is relevant for example for these popular places: Areguá, Asunción, Bahia Negra, Boquerón, Ciudad del Este, Concepción, Encarnación, Filadelfia, Fuerte Olimpo, Gran Chaco, Loma Plata, Mariscal Estigarribia, Neuland, New Australia, Northern Paraneña, Paraná Plateau, Pilar, San Bernardino, San Ignacio Guazú, San Lorenzo, Southern Paraneña, Trinidad, Vallemi, Ypacarai.
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 January, the average maximum temperature is 33 ℃ (91.4 ℉). The average minimum temperature in this month is 23.3 ℃ (73.94 ℉). The coldest month here is June, the average maximum temperature is 23.3 ℃ (73.94 ℉). The average minimum temperature in this month is 14.3 ℃ (57.74 ℉). The most rainy month here is January, the average number of rainy days is 8.1. The least rainy month here is July, the average number of rainy days is 3.9. 
When travelling to some places in Paraguay, always consider the altitude of the the place as well. The highest point here is Cerro Pero (842 m) and the lowest point is junction of Rio Paraguay and Rio Parana (46 m). So there are not big differences in altitudes in this country. But the altitude affects the weather even so. 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 Paraguay in January is this: The average highest temperature in Paraguay in January is 33 ℃ (91.4 ℉). The average lowest temperature is 23.3 ℃ (73.94 ℉). At the beginning of January you can expect lower temperatures, the average highest temperature is around 32.7 ℃ (90.86 ℉). At the end of January you can expect lower temperatures, the average highest temperature is around 32.95 ℃ (91.31 ℉). The average number of rainy days in January is 8.1. The average rainfall is 145.3 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 13:41 (hours and minutes), in the middle of the month 13:32 and at the end of the month 13:16.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.Typical (usual) weather in Paraguay in February is this: The average highest temperature in Paraguay in February is 32.9 ℃ (91.22 ℉). The average lowest temperature is 22.6 ℃ (72.68 ℉). At the beginning of February you can expect higher temperatures, the average highest temperature is around 32.95 ℃ (91.31 ℉). At the end of February you can expect lower temperatures, the average highest temperature is around 32.1 ℃ (89.78 ℉). The average number of rainy days in February is 6.9. The average rainfall is 128.6 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 13:16 (hours and minutes), in the middle of the month 12:57 and at the end of the month 12:36.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.Typical (usual) weather in Paraguay in March is this: The average highest temperature in Paraguay in March is 31.3 ℃ (88.34 ℉). The average lowest temperature is 21.6 ℃ (70.88 ℉). At the beginning of March you can expect higher temperatures, the average highest temperature is around 32.1 ℃ (89.78 ℉). At the end of March you can expect lower temperatures, the average highest temperature is around 30.1 ℃ (86.18 ℉). The average number of rainy days in March is 6.9. The average rainfall is 115 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 12:36 (hours and minutes), in the middle of the month 12:13 and at the end of the month 11:51.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.Typical (usual) weather in Paraguay in April is this: The average highest temperature in Paraguay in April is 28.9 ℃ (84.02 ℉). The average lowest temperature is 18.5 ℃ (65.3 ℉). At the beginning of April you can expect higher temperatures, the average highest temperature is around 30.1 ℃ (86.18 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 27.3 ℃ (81.14 ℉). The average number of rainy days in April is 7.9. The average rainfall is 163.6 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 11:51 (hours and minutes), in the middle of the month 11:29 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.
Typical (usual) weather in Paraguay in May is this: The average highest temperature in Paraguay in May is 25.7 ℃ (78.26 ℉). The average lowest temperature is 16 ℃ (60.8 ℉). At the beginning of May you can expect higher temperatures, the average highest temperature is around 27.3 ℃ (81.14 ℉). At the end of May you can expect lower temperatures, the average highest temperature is around 24.5 ℃ (76.1 ℉). The average number of rainy days in May is 7. The average rainfall is 114.9 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 11:10 (hours and minutes), in the middle of the month 10:53 and at the end of the month 10:40.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.Typical (usual) weather in Paraguay in June is this: The average highest temperature in Paraguay in June is 23.3 ℃ (73.94 ℉). The average lowest temperature is 14.3 ℃ (57.74 ℉). At the beginning of June you can expect higher temperatures, the average highest temperature is around 24.5 ℃ (76.1 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 23.35 ℃ (74.03 ℉). The average number of rainy days in June is 6.9. The average rainfall is 82.5 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 10:40 (hours and minutes), in the middle of the month 10:34 and at the end of the month 10:34.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.Typical (usual) weather in Paraguay in July is this: The average highest temperature in Paraguay in July is 23.4 ℃ (74.12 ℉). The average lowest temperature is 13.5 ℃ (56.3 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 23.35 ℃ (74.03 ℉). At the end of July you can expect higher temperatures, the average highest temperature is around 24 ℃ (75.2 ℉). The average number of rainy days in July is 3.9. The average rainfall is 39.6 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 10:34 (hours and minutes), in the middle of the month 10:41 and at the end of the month 10:54.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.Typical (usual) weather in Paraguay in August is this: The average highest temperature in Paraguay in August is 24.6 ℃ (76.28 ℉). The average lowest temperature is 14.4 ℃ (57.92 ℉). At the beginning of August you can expect lower temperatures, the average highest temperature is around 24 ℃ (75.2 ℉). At the end of August you can expect higher temperatures, the average highest temperature is around 25.75 ℃ (78.35 ℉). The average number of rainy days in August is 5. The average rainfall is 72.3 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 10:54 (hours and minutes), in the middle of the month 11:10 and at the end of the month 11:30.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.Typical (usual) weather in Paraguay in September is this: The average highest temperature in Paraguay in September is 26.9 ℃ (80.42 ℉). The average lowest temperature is 16.3 ℃ (61.34 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 25.75 ℃ (78.35 ℉). At the end of September you can expect higher temperatures, the average highest temperature is around 28.25 ℃ (82.85 ℉). The average number of rainy days in September is 6. The average rainfall is 86.7 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 11:30 (hours and minutes), in the middle of the month 11:51 and at the end of the month 12:13.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.Typical (usual) weather in Paraguay in October is this: The average highest temperature in Paraguay in October is 29.6 ℃ (85.28 ℉). The average lowest temperature is 18.6 ℃ (65.48 ℉). At the beginning of October you can expect lower temperatures, the average highest temperature is around 28.25 ℃ (82.85 ℉). At the end of October you can expect higher temperatures, the average highest temperature is around 29.85 ℃ (85.73 ℉). The average number of rainy days in October is 7.8. 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 12:13 (hours and minutes), in the middle of the month 12:35 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.Typical (usual) weather in Paraguay in November is this: The average highest temperature in Paraguay in November is 30.1 ℃ (86.18 ℉). The average lowest temperature is 20.3 ℃ (68.54 ℉). At the beginning of November you can expect lower temperatures, the average highest temperature is around 29.85 ℃ (85.73 ℉). At the end of November you can expect higher temperatures, the average highest temperature is around 31.25 ℃ (88.25 ℉). The average number of rainy days in November is 7.9. The average rainfall is 160.8 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 13:16 and at the end of the month 13:31.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.Typical (usual) weather in Paraguay in December is this: The average highest temperature in Paraguay in December is 32.4 ℃ (90.32 ℉). The average lowest temperature is 22.2 ℃ (71.96 ℉). At the beginning of December you can expect lower temperatures, the average highest temperature is around 31.25 ℃ (88.25 ℉). At the end of December you can expect higher temperatures, the average highest temperature is around 32.7 ℃ (90.86 ℉). The average number of rainy days in December is 8. The average rainfall is 152.5 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 13:31 (hours and minutes), in the middle of the month 13:40 and at the end of the month 13:42.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.| Asuncion | temperature: - | highest temperature: 32.4 ℃ (90.32 ℉) | lowest temperature: 22.2 ℃ (71.96 ℉) | rainfall: 152.5mm | rainy days: 8 |
| Ciudad Del Este | temperature: - | highest temperature: 31.6 ℃ (88.88 ℉) | lowest temperature: 21.5 ℃ (70.7 ℉) | rainfall: 161.9mm | rainy days: 8.8 |
| Pedro Juan Caballero | temperature: - | highest temperature: 30.1 ℃ (86.18 ℉) | lowest temperature: 19.5 ℃ (67.1 ℉) | rainfall: 195.4mm | rainy days: 9.9 |
| Encarnacion | temperature: - | highest temperature: 32.8 ℃ (91.04 ℉) | lowest temperature: 19.9 ℃ (67.82 ℉) | rainfall: 180.3mm | rainy days: 8 |
| Mariscal Jose Felix Estigarribia | temperature: - | highest temperature: 36 ℃ (96.8 ℉) | lowest temperature: 22.9 ℃ (73.22 ℉) | rainfall: 118.4mm | rainy days: 7 |