, with very mild winters (from late May to mid-August) and very hot, rainy summers (from November to March). In summer, the rains often occur in the form of thunderstorms. Precipitation exceeds 100 mm (4 in) per month from October to May. Winter is the driest season; in July and August, it rains on average for 3/4 days a month.
The city is located in northern Argentina, at 26 degrees south latitude, on the banks of the Paraguay River. Across the river lies the small town of Alberdi, in Paraguay.
is mild, there can sometimes be periods a bit cold, especially at night, when the temperature can drop to around freezing. This typically happens from late May to early September.
all year round, in fact, the heat records exceed 30 °C (86 °F) even in winter. From mid-August the temperature rises, and in spring and summer, from September to March, there can be heat waves, in which the temperature reaches 38/40 °C (100/104 °F). In January 2022 it reached 43 °C (109.5 °F), and the average high was 39.4 °C (102.9 °F).
The best time to visit Formosa goes from May to mid-August, being the one in which the rains are less abundant and the risk of very hot days is lower. 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
28.3 °C, with a minimum of
22.5 °C and a maximum of
34.1 °C.

On the coldest nights of the month, the temperature usually drops to around
17.5 °C. However, it dropped to
13.4 °C in January 1991.

On the warmest days of the month, the temperature usually reaches around
39 °C. However, it reached
41 °C in January 2006.

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

There are on average 9 hours of sunshine per day. So, the sun shines 65% of the time.
The average humidity is 69%.
The average wind speed is of
13 kph.
February is generally a warm to hot, muggy month. The average temperature is of
27.5 °C, with a minimum of
22 °C and a maximum of
33 °C.

On the coldest nights of the month, the temperature usually drops to around
16 °C. However, it dropped to
12.4 °C in February 1991.

On the warmest days of the month, the temperature usually reaches around
38.5 °C. However, it reached
41.3 °C in February 2010.

Precipitation amounts to
135.6 mm, distributed over 7 days.
The day lasts on average 13 hours and 0 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
12.3 kph.
March is generally a warm to hot, muggy month. The average temperature is of
26.2 °C, with a minimum of
20.6 °C and a maximum of
31.7 °C.

On the coldest nights of the month, the temperature usually drops to around
14.5 °C. However, it dropped to
7.7 °C in March 2012.

On the warmest days of the month, the temperature usually reaches around
37.5 °C. However, it reached
41.5 °C in March 2020.

Precipitation amounts to
138.2 mm, distributed over 7 days.
The day lasts on average 12 hours and 10 minutes.

There are on average 7.5 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
11.6 kph.
April is generally a warm to hot, muggy month. The average temperature is of
23.3 °C, with a minimum of
18 °C and a maximum of
28.6 °C.

On the coldest nights of the month, the temperature usually drops to around
10 °C. However, it dropped to
6 °C in April 1999.

On the warmest days of the month, the temperature usually reaches around
35.5 °C. However, it reached
38 °C in April 2004.

Precipitation amounts to
159.6 mm, distributed over 7 days.
The day lasts on average 11 hours and 25 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of
12 kph.
May is generally a warm month. The average temperature is of
19.6 °C, with a minimum of
14.6 °C and a maximum of
24.5 °C.

On the coldest nights of the month, the temperature usually drops to around
6.5 °C. However, it dropped to
-0.1 °C in May 2008.

On the warmest days of the month, the temperature usually reaches around
32.5 °C. However, it reached
37 °C in May 2009.

Precipitation amounts to
110.1 mm, distributed over 6 days.
The day lasts on average 10 hours and 50 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
12.2 kph.
June is generally a very mild month. The average temperature is of
18 °C, with a minimum of
13.1 °C and a maximum of
22.8 °C.

On the coldest nights of the month, the temperature usually drops to around
3.5 °C. However, it dropped to
-1 °C in June 1996.

On the warmest days of the month, the temperature usually reaches around
30.5 °C. However, it reached
34 °C in June 2020.

Precipitation amounts to
60.3 mm, distributed over 5 days.
The day lasts on average 10 hours and 30 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.

There are on average 5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
13.1 kph.
July, the coldest month of the year, is generally a very mild month. The average temperature is of
17.1 °C, with a minimum of
11.5 °C and a maximum of
22.7 °C.

On the coldest nights of the month, the temperature usually drops to around
1.5 °C. However, it dropped to
-1.4 °C in July 2000.

On the warmest days of the month, the temperature usually reaches around
31.5 °C. However, it reached
34 °C in July 2003.

Precipitation amounts to
41 mm, distributed over 3 days.
The day lasts on average 10 hours and 40 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
13.6 kph.
August is generally a warm month. The average temperature is of
19 °C, with a minimum of
12.7 °C and a maximum of
25.4 °C.

On the coldest nights of the month, the temperature usually drops to around
3.5 °C. However, it dropped to
-2 °C in August 1993.

On the warmest days of the month, the temperature usually reaches around
35 °C. However, it reached
39.3 °C in August 2020.

Precipitation amounts to
34.8 mm, distributed over 4 days.
The day lasts on average 11 hours and 20 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 67%.
The average wind speed is of
15 kph.
September is generally a warm month. The average temperature is of
21 °C, with a minimum of
14.7 °C and a maximum of
27.2 °C.

On the coldest nights of the month, the temperature usually drops to around
5.5 °C. However, it dropped to
1.9 °C in September 2001.

On the warmest days of the month, the temperature usually reaches around
37.5 °C. However, it reached
42 °C in September 2020.

Precipitation amounts to
74.8 mm, distributed over 6 days.
The day lasts on average 12 hours and 0 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
15.3 kph.
October is generally a warm to hot, muggy month. The average temperature is of
23.8 °C, with a minimum of
18.2 °C and a maximum of
29.5 °C.

On the coldest nights of the month, the temperature usually drops to around
11 °C. However, it dropped to
6 °C in October 2010.

On the warmest days of the month, the temperature usually reaches around
38.5 °C. However, it reached
43.7 °C in October 2014.

Precipitation amounts to
150.3 mm, distributed over 8 days.
The day lasts on average 12 hours and 40 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is of
15.6 kph.
November is generally a warm to hot month. The average temperature is of
25 °C, with a minimum of
19.2 °C and a maximum of
30.9 °C.

On the coldest nights of the month, the temperature usually drops to around
13 °C. However, it dropped to
9 °C in November 2000.

On the warmest days of the month, the temperature usually reaches around
38 °C. However, it reached
41 °C in November 2003.

Precipitation amounts to
159.9 mm, distributed over 8 days.
The day lasts on average 13 hours and 25 minutes.

There are on average 8.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 68%.
The average wind speed is of
14.4 kph.
December is generally a warm to hot month. The average temperature is of
27.2 °C, with a minimum of
21.4 °C and a maximum of
33 °C.

On the coldest nights of the month, the temperature usually drops to around
15.5 °C. However, it dropped to
10 °C in December 2001.

On the warmest days of the month, the temperature usually reaches around
38.5 °C. However, it reached
42.2 °C in December 2008.

Precipitation amounts to
178.4 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 8.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 69%.
The average wind speed is of
13.4 kph.