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Posadas, Misiones Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Posadas, Misiones?
Posadas, Misiones gets 1639 mm of precipitation a year over about 88 rainy days. January is the warmest month (average high 34°C) and July the coldest (average low 11°C).
Humid subtropical climate
Posadas, Misiones has hot summers and warm winters. Daytime highs range from about 23°C in July to 34°C in January. October is usually the wettest month. The most comfortable time to visit is typically May to August, when daytime highs sit near 24°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Jun–Aug | 12° | 24° |
| Spring | Sep–Nov | 17° | 29° |
| Summer | Dec–Feb | 22° | 34° |
| Autumn | Mar–May | 17° | 29° |
How much rain does Posadas get?
Posadas gets 1639 mm of precipitation in an average year, spread over about 88 days with measurable rain. That is more rainy days than 99% of Argentina.
October is the wettest month, with 227 mm. August is the driest, with 80 mm. October has the most rainy days, about 10.
Posadas weather by month
Posadas weather in January
In January, Posadas averages a high of 34°C and a low of 22°C. It gets 136 mm of precipitation over about 7 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The January record high is 42°C (2022) and the record low is 11°C (1981).
Posadas weather in February
In February, Posadas averages a high of 33°C and a low of 22°C. It gets 109 mm of precipitation over about 7 rainy days. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The February record high is 41°C (2022) and the record low is 11°C (1977).
Posadas weather in March
In March, Posadas averages a high of 32°C and a low of 20°C. It gets 145 mm of precipitation over about 7 rainy days. Estimated sunshine is 60% of daylight hours, derived from ERA5 cloud cover. The March record high is 40°C (1981) and the record low is 8°C (1976).
Posadas weather in April
In April, Posadas averages a high of 29°C and a low of 17°C. It gets 152 mm of precipitation over about 7 rainy days. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The April record high is 37°C (2004) and the record low is 6°C (1999).
Posadas weather in May
In May, Posadas averages a high of 26°C and a low of 14°C. It gets 118 mm of precipitation over about 7 rainy days. Estimated sunshine is 51% of daylight hours, derived from ERA5 cloud cover. The May record high is 35°C (2018) and the record low is 0°C (1979). May is one of the most comfortable months to visit.
Posadas weather in June
In June, Posadas averages a high of 23°C and a low of 12°C. It gets 117 mm of precipitation over about 7 rainy days. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The June record high is 31°C (2001) and the record low is 0°C (1978). June is one of the most comfortable months to visit.
Posadas weather in July
In July, Posadas averages a high of 23°C and a low of 11°C. It gets 91 mm of precipitation over about 7 rainy days. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The July record high is 33°C (1987) and the record low is -3°C (2000). July is one of the most comfortable months to visit.
Posadas weather in August
In August, Posadas averages a high of 26°C and a low of 13°C. It gets 80 mm of precipitation over about 6 rainy days. Estimated sunshine is 66% of daylight hours, derived from ERA5 cloud cover. The August record high is 37°C (2021) and the record low is -1°C (1991). August is one of the most comfortable months to visit.
Posadas weather in September
In September, Posadas averages a high of 27°C and a low of 14°C. It gets 114 mm of precipitation over about 8 rainy days. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The September record high is 39°C (2020) and the record low is 1°C (1980).
Posadas weather in October
In October, Posadas averages a high of 29°C and a low of 17°C. It gets 227 mm of precipitation over about 10 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The October record high is 41°C (2020) and the record low is 5°C (1989).
Posadas weather in November
In November, Posadas averages a high of 32°C and a low of 19°C. It gets 158 mm of precipitation over about 7 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The November record high is 38°C (2003) and the record low is 2°C (1988).
Posadas weather in December
In December, Posadas averages a high of 33°C and a low of 21°C. It gets 192 mm of precipitation over about 8 rainy days. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The December record high is 40°C (2008) and the record low is 11°C (1992).
Sunshine, humidity and wind in Posadas
August is the sunniest month in Posadas, with estimated sunshine of 66% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 49%. The annual cloud-cover estimate is 58% of daylight hours; it is not a measurement of sunshine duration. Posadas is cloudier than 66% of Argentina.
Humidity peaks in May at 80% and is lowest in February at 64%.
Posadas has about 52 days a year above 32°C. Posadas is hotter than 89% of Argentina.
Posadas weather records
These records cover POSADAS during 1973–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Posadas station is 42°C, on January 25, 2022. The coldest is -3°C, on July 18, 1975.
The wettest day in the available station history brought 500 mm of precipitation, on February 22, 1982.
24 all-time records have been set at the station since 1973.
The best time to visit Posadas
The most comfortable time to visit is typically May to August, when daytime highs sit near 24°C.
Winter (June–August) is warm, with average highs around 24°C and lows near 12°C.
Spring (September–November) is hot, with average highs around 30°C and lows near 17°C.
Summer (December–February) is hot, with average highs around 34°C and lows near 21°C.
Autumn (March–May) is hot, with average highs around 29°C and lows near 17°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 22° | 34° | 136 mm | 7 | 66% | 61% | 42° | 11° |
| February | 22° | 33° | 109 mm | 7 | 64% | 63% | 41° | 11° |
| March | 20° | 32° | 145 mm | 7 | 70% | 60% | 40° | 8° |
| April | 17° | 29° | 152 mm | 7 | 75% | 61% | 37° | 6° |
| May | 14° | 26° | 118 mm | 7 | 80% | 51% | 35° | 0° |
| June | 12° | 23° | 117 mm | 7 | 80% | 49% | 31° | 0° |
| July | 11° | 23° | 91 mm | 7 | 76% | 49% | 33° | -3° |
| August | 13° | 26° | 80 mm | 6 | 70% | 66% | 37° | -1° |
| September | 14° | 27° | 114 mm | 8 | 73% | 55% | 39° | 1° |
| October | 17° | 29° | 227 mm | 10 | 71% | 57% | 41° | 5° |
| November | 19° | 32° | 158 mm | 7 | 66% | 58% | 38° | 2° |
| December | 21° | 33° | 192 mm | 8 | 66% | 63% | 40° | 11° |
Station: POSADAS, 5 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1973–2025; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Posadas climate questions
How much rain does Posadas get?
Posadas gets 1639 mm of precipitation in an average year, over about 88 rainy days.
What is the wettest month in Posadas?
October is the wettest month in Posadas, with 227 mm. August is the driest, with 80 mm.
How many rainy days does Posadas have a year?
Posadas has about 88 days with measurable rain in an average year. October has the most, about 10.
What is the hottest month in Posadas?
January is the warmest month in Posadas, with an average high of 34°C.
What is the coldest month in Posadas?
July is the coldest month in Posadas, with an average low of 11°C.
What is the record high temperature in Posadas?
Within the available 1973–2025 station history, the record high at the Posadas station is 42°C, set on January 25, 2022. The record low is -3°C, on July 18, 1975.
What is the sunniest month in Posadas?
August is the sunniest month in Posadas, with estimated sunshine of 66% of daylight hours from ERA5 cloud cover. June is the cloudiest.
What is the best time to visit Posadas?
The most comfortable time to visit is typically May to August, when daytime highs sit near 24°C.