Asuncion, Paraguay Climate & Monthly Averages
The climate of Asuncion
Expect steady heat, high humidity and frequent downpours in every month in Asuncion: that is what a tropical rainforest climate means in practice. Highs peak at 91°F (33°C) in January and fall to 73°F (23°C) by July, with 9.5 hours of sun on an average day.
Climate quick facts
- Hottest month: January - highs near 91°F (33°C)
- Coldest month: July - highs near 73°F (23°C)
- Decade extremes (2015-2024): 107°F (42°C) high · 36°F (2°C) low
- Wettest month: October (12 rainy days) · Sunniest: January (11.4 h sun/day)
- Climate type: tropical rainforest
- Annual swing: 10°C between the average warmest and coolest month · day to night: 9°C
- Months averaging 30°C or hotter: 5
- Average humidity: 72%
Temperatures through the year
Warmth peaks in January: highs of 91°F (33°C), lows of 76°F (24°C). July is the coolest month, with highs of 73°F (23°C) and lows near 57°F (14°C). January is the brightest month at 11.4 hours of sun a day, against an annual average of 9.5.
Rain, sun and snow
Average highs hold at or above 30°C for 5 months of the year, November through March being the unbroken run. The wettest month is October (8.2 inches (209 mm) across 12 days) and the driest July. Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is May through August. The gridded 2015-2024 daily record for this location tops out at 107°F (42°C) and bottoms at 36°F (2°C) - decade extremes, not all-time station records.
How Asuncion compares
- Asuncion sits close to the middle of our dataset on most measures: 74°F (23°C) as an annual average, 59.4 inches (1509 mm) of precipitation and 9.5 hours of sun a day.
Ranked against every city in our dataset, each measured on the same ten-year window.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 91° | 76° | 13 | 5.8 in | 11.4 h/day | 13.5 h | 42% | 71% |
| February | 90° | 74° | 10 | 4.0 in | 10.9 h/day | 13.0 h | 37% | 70% |
| March | 87° | 72° | 11 | 5.0 in | 10.1 h/day | 12.3 h | 37% | 72% |
| April | 82° | 68° | 9 | 6.2 in | 9.2 h/day | 11.5 h | 30% | 76% |
| May | 74° | 61° | 11 | 5.1 in | 7.6 h/day | 10.9 h | 36% | 79% |
| June | 72° | 58° | 7 | 2.6 in | 7.6 h/day | 10.6 h | 22% | 77% |
| July | 73° | 57° | 6 | 2.4 in | 8.0 h/day | 10.7 h | 21% | 73% |
| August | 78° | 60° | 6 | 2.6 in | 8.9 h/day | 11.2 h | 18% | 67% |
| September | 82° | 64° | 8 | 2.5 in | 9.3 h/day | 12.0 h | 25% | 66% |
| October | 84° | 68° | 12 | 8.2 in | 9.7 h/day | 12.7 h | 39% | 71% |
| November | 87° | 70° | 12 | 8.0 in | 10.5 h/day | 13.4 h | 40% | 69% |
| December | 89° | 73° | 12 | 7.1 in | 11.2 h/day | 13.7 h | 39% | 70% |
Asuncion month by month
Average high and low for each month, with the bar showing where it sits in Asuncion's year (left is the coldest night, right is the warmest afternoon).
January
- Rain
- 13 days
- Sunshine
- 11.4 h
- Daylight
- 13.5 h
February
- Rain
- 10 days
- Sunshine
- 10.9 h
- Daylight
- 13.0 h
March
- Rain
- 11 days
- Sunshine
- 10.1 h
- Daylight
- 12.3 h
April
- Rain
- 9 days
- Sunshine
- 9.2 h
- Daylight
- 11.5 h
May
- Rain
- 11 days
- Sunshine
- 7.6 h
- Daylight
- 10.9 h
June
- Rain
- 7 days
- Sunshine
- 7.6 h
- Daylight
- 10.6 h
July
- Rain
- 6 days
- Sunshine
- 8.0 h
- Daylight
- 10.7 h
August
- Rain
- 6 days
- Sunshine
- 8.9 h
- Daylight
- 11.2 h
September
- Rain
- 8 days
- Sunshine
- 9.3 h
- Daylight
- 12.0 h
October
- Rain
- 12 days
- Sunshine
- 9.7 h
- Daylight
- 12.7 h
November
- Rain
- 12 days
- Sunshine
- 10.5 h
- Daylight
- 13.4 h
December
- Rain
- 12 days
- Sunshine
- 11.2 h
- Daylight
- 13.7 h
Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December
Seasons in Asuncion
September through November
September through November sits firmly in the heat here - highs near 84°F (29°C), nights near 67°F (19°C), and rain falls on around 32 of the 90 days. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
December through February
December through February in Asuncion brings hot afternoons, with daytime highs averaging 90°F (32°C) and nights around 74°F (23°C); rain falls on around 36 of the 90 days. Daylight is generous - around 11.2 hours of sun a day.
March through May
Through March through May, Asuncion brings hot afternoons: 81°F (27°C) by day, 67°F (19°C) after dark, and rain falls on around 32 of the 90 days.
June through August
June through August brings comfortable warmth here - highs near 74°F (23°C), nights near 59°F (15°C), and expect showers on roughly 19 days across the season.
Climate questions, answered
What should I wear in Asuncion?
How many hot months does Asuncion have?
Is Asuncion humid?
Is Asuncion a wet city?
Is Asuncion cold in winter?
Best time to visit Asuncion
Aim for June to September if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 76°F (25°C) against roughly 7 wet days a month. For the same question asked the other way round, see where else is warm in June.
Pack for Asuncion with lightweight, breathable clothing and serious sun protection and a compact umbrella or rain shell. January nights average 76°F (24°C), so evenings rarely match the afternoons.
Asuncion temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.