(according to the Köppen classification, humid subtropical climate - Cfa), with very mild winters and very hot summers.
The city is located in northeastern Argentina, at 27 degrees south latitude, in the province of Misiones (the wettest in Argentina), on the banks of the Paraná River, beyond which lies the city of Encarnación, in Paraguay.
are abundant and there is no dry season, however, they are a little more abundant in spring and autumn, and a little less in the austral winter. In fact, from June to August there are long periods without rain, of a week or two, although it depends on the years.
is mild, there can sometimes be periods a bit cold, especially at night, when the temperature can drop to around freezing or a little below. In July 1975 and 2000, the temperature dropped to -3 °C (26.5 °F).
all year round, in fact, the heat records exceed 30 °C (86 °F) even in winter. Instead, from September to March, there can be heat waves, in which the temperature reaches 38/40 °C (100/104 °F). In January 2022, the temperature reached 42.5 °C (108.5 °F), and the average high was 37.7 °C (99.9 °F).
The best time to visit Posadas goes from May to mid-August, being the one in which the risk of very hot days is lower. July and August are the least rainy months. It must be said that sometimes it can get cold, especially at night.
. Here are the average temperatures.
January, the hottest month of the year, is generally a very hot month. The average temperature is of
27.6 °C, with a minimum of
22.1 °C and a maximum of
33 °C.

On the coldest nights of the month, the temperature usually drops to around
17 °C. However, it dropped to
11.4 °C in January 1992.

On the warmest days of the month, the temperature usually reaches around
37 °C. However, it reached
40 °C in January 2006.

Precipitation amounts to
168.7 mm, distributed over 8 days.
The day lasts on average 13 hours and 35 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 67%.
The average wind speed is of
9.9 kph.
February is generally a warm to hot month. The average temperature is of
27 °C, with a minimum of
21.7 °C and a maximum of
32.4 °C.

On the coldest nights of the month, the temperature usually drops to around
16 °C. However, it dropped to
11 °C in February 1991.

On the warmest days of the month, the temperature usually reaches around
36.5 °C. However, it reached
39.5 °C in February 2005.

Precipitation amounts to
136.9 mm, distributed over 8 days.
The day lasts on average 13 hours and 0 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 69%.
The average wind speed is of
9.8 kph.
March is generally a warm to hot, muggy month. The average temperature is of
25.7 °C, with a minimum of
20.4 °C and a maximum of
31 °C.

On the coldest nights of the month, the temperature usually drops to around
14.5 °C. However, it dropped to
10 °C in March 1998.

On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
39.5 °C in March 2005.

Precipitation amounts to
171 mm, distributed over 8 days.
The day lasts on average 12 hours and 10 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is of
9.2 kph.
April is generally a warm to hot, muggy month. The average temperature is of
22.8 °C, with a minimum of
17.7 °C and a maximum of
28 °C.

On the coldest nights of the month, the temperature usually drops to around
10.5 °C. However, it dropped to
6.3 °C in April 1999.

On the warmest days of the month, the temperature usually reaches around
34.5 °C. However, it reached
36.4 °C in April 2004.

Precipitation amounts to
179 mm, distributed over 8 days.
The day lasts on average 11 hours and 25 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
9.4 kph.
May is generally a warm month. The average temperature is of
19.2 °C, with a minimum of
14.4 °C and a maximum of
23.9 °C.

On the coldest nights of the month, the temperature usually drops to around
6.5 °C. However, it dropped to
1.8 °C in May 2020.

On the warmest days of the month, the temperature usually reaches around
31 °C. However, it reached
35 °C in May 2018.

Precipitation amounts to
138.4 mm, distributed over 8 days.
The day lasts on average 10 hours and 40 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
9.4 kph.
June is generally a very mild month. The average temperature is of
17.6 °C, with a minimum of
13.1 °C and a maximum of
22.2 °C.

On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
0 °C in June 1993.

On the warmest days of the month, the temperature usually reaches around
29.5 °C. However, it reached
31.2 °C in June 2019.

Precipitation amounts to
128.6 mm, distributed over 7 days.
The day lasts on average 10 hours and 25 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.

There are on average 4 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
10 kph.
July, the coldest month of the year, is generally a very mild month. The average temperature is of
16.9 °C, with a minimum of
11.8 °C and a maximum of
22 °C.

On the coldest nights of the month, the temperature usually drops to around
2.5 °C. However, it dropped to
-3 °C in July 2000.

On the warmest days of the month, the temperature usually reaches around
30 °C. However, it reached
32 °C in July 2001.

Precipitation amounts to
94.1 mm, distributed over 7 days.
The day lasts on average 10 hours and 35 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
10.3 kph.
August is generally a warm month. The average temperature is of
18.9 °C, with a minimum of
13.3 °C and a maximum of
24.5 °C.

On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
-1.3 °C in August 1991.

On the warmest days of the month, the temperature usually reaches around
33.5 °C. However, it reached
36 °C in August 1995.

Precipitation amounts to
87.1 mm, distributed over 6 days.
The day lasts on average 11 hours and 10 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 66%.
The average wind speed is of
11.1 kph.
September is generally a warm month. The average temperature is of
20.4 °C, with a minimum of
15 °C and a maximum of
25.9 °C.

On the coldest nights of the month, the temperature usually drops to around
7 °C. However, it dropped to
3.2 °C in September 2006.

On the warmest days of the month, the temperature usually reaches around
35 °C. However, it reached
39.1 °C in September 2020.

Precipitation amounts to
132.8 mm, distributed over 8 days.
The day lasts on average 12 hours and 0 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 66%.
The average wind speed is of
11.3 kph.
October is generally a warm to hot month. The average temperature is of
23 °C, with a minimum of
17.6 °C and a maximum of
28.5 °C.

On the coldest nights of the month, the temperature usually drops to around
11 °C. However, it dropped to
5.5 °C in October 1999.

On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
40.6 °C in October 2020.

Precipitation amounts to
253.4 mm, distributed over 10 days.
The day lasts on average 12 hours and 50 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 68%.
The average wind speed is of
11.4 kph.
November is generally a warm to hot month. The average temperature is of
24.6 °C, with a minimum of
18.9 °C and a maximum of
30.4 °C.

On the coldest nights of the month, the temperature usually drops to around
12.5 °C. However, it dropped to
6.7 °C in November 1992.

On the warmest days of the month, the temperature usually reaches around
36.5 °C. However, it reached
40.2 °C in November 2020.

Precipitation amounts to
178.8 mm, distributed over 8 days.
The day lasts on average 13 hours and 30 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 63%.
The average wind speed is of
10.9 kph.
December is generally a warm to hot month. The average temperature is of
26.7 °C, with a minimum of
21.1 °C and a maximum of
32.3 °C.

On the coldest nights of the month, the temperature usually drops to around
15 °C. However, it dropped to
10.8 °C in December 1992.

On the warmest days of the month, the temperature usually reaches around
37.5 °C. However, it reached
40.2 °C in December 2008.

Precipitation amounts to
204.4 mm, distributed over 8 days.
The day lasts on average 13 hours and 50 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.

There are on average 5.5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 65%.
The average wind speed is of
10.3 kph.