, with very mild winters (from May to August) and hot summers (from December to March). There is no real dry season, however, winter is the least rainy season.
The city is located in southern Brazil, in the state of Rio Grande do Sul, at 29 degrees south latitude. Across the Uruguay River lies the city of Paso de los Libres, Argentina.
from the south, during which the temperature can drop to the freezing point or a little below at night, and can remain around 10 °C (50 °F) during the day. In July 1988 and in June 2012, it dropped to -3 °C (26.5 °F).
There is no perfect time to visit Uruguaiana. From May to August, temperatures are normally mild, however, it can get cold at times. You can then choose the period from mid-April to mid-May, in which temperatures are intermediate between winter and summer and the rains are not too frequent.
. Here are the average temperatures.
January, the hottest month of the year, is generally a warm to hot month. The average temperature is of
26.4 °C, with a minimum of
20.9 °C and a maximum of
31.9 °C.

On the coldest nights of the month, the temperature usually drops to around
15.5 °C. However, it dropped to
10.5 °C in January 1991.

On the warmest days of the month, the temperature usually reaches around
37.5 °C. However, it reached
41 °C in January 2006.

Precipitation amounts to
115 mm, distributed over 6 days.
The day lasts on average 13 hours and 50 minutes.

There are on average 8.5 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 63%.
The average wind speed is of
13.2 kph.
February is generally a warm to hot month. The average temperature is of
25.5 °C, with a minimum of
20.2 °C and a maximum of
30.9 °C.

On the coldest nights of the month, the temperature usually drops to around
13.5 °C. However, it dropped to
9 °C in February 2016.

On the warmest days of the month, the temperature usually reaches around
36.5 °C. However, it reached
39 °C in February 2000.

Precipitation amounts to
155 mm, distributed over 7 days.
The day lasts on average 13 hours and 5 minutes.

There are on average 7.5 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 66%.
The average wind speed is of
12.7 kph.
March is generally a warm to hot month. The average temperature is of
23.7 °C, with a minimum of
18.2 °C and a maximum of
29.1 °C.

On the coldest nights of the month, the temperature usually drops to around
11 °C. However, it dropped to
7 °C in March 2012.

On the warmest days of the month, the temperature usually reaches around
35 °C. However, it reached
39 °C in March 2005.

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

There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 66%.
The average wind speed is of
12 kph.
April is generally a warm month. The average temperature is of
20.9 °C, with a minimum of
15.8 °C and a maximum of
26.1 °C.

On the coldest nights of the month, the temperature usually drops to around
8 °C. However, it dropped to
3 °C in April 2008.

On the warmest days of the month, the temperature usually reaches around
33 °C. However, it reached
37 °C in April 2006.

Precipitation amounts to
150 mm, distributed over 7 days.
The day lasts on average 11 hours and 20 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 68%.
The average wind speed is of
11.8 kph.
May is generally a very mild month. The average temperature is of
16.9 °C, with a minimum of
12.4 °C and a maximum of
21.4 °C.

On the coldest nights of the month, the temperature usually drops to around
4.5 °C. However, it dropped to
1 °C in May 2008.

On the warmest days of the month, the temperature usually reaches around
28.5 °C. However, it reached
34 °C in May 2009.

Precipitation amounts to
125 mm, distributed over 6 days.
The day lasts on average 10 hours and 35 minutes.

There are on average 5.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
11.8 kph.
June is generally a very mild month. The average temperature is of
14.8 °C, with a minimum of
10.5 °C and a maximum of
19.2 °C.

On the coldest nights of the month, the temperature usually drops to around
1.5 °C. However, it dropped to
-3 °C in June 2012.

On the warmest days of the month, the temperature usually reaches around
27.5 °C. However, it reached
31.2 °C in June 2005.

Precipitation amounts to
90 mm, distributed over 6 days.
The day lasts on average 10 hours and 20 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
12.7 kph.
July, the coldest month of the year, is generally a mild month. The average temperature is of
14.2 °C, with a minimum of
9.5 °C and a maximum of
18.8 °C.

On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-2 °C in July 2000.

On the warmest days of the month, the temperature usually reaches around
28.5 °C. However, it reached
31 °C in July 2005.

Precipitation amounts to
65 mm, distributed over 6 days.
The day lasts on average 10 hours and 30 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
13.8 kph.
August is generally a very mild month. The average temperature is of
16.2 °C, with a minimum of
10.9 °C and a maximum of
21.5 °C.

On the coldest nights of the month, the temperature usually drops to around
2 °C. However, it dropped to
-2.4 °C in August 1991.

On the warmest days of the month, the temperature usually reaches around
31.5 °C. However, it reached
35 °C in August 2015.

Precipitation amounts to
50 mm, distributed over 4 days.
The day lasts on average 11 hours and 5 minutes.

There are on average 5.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 67%.
The average wind speed is of
15.6 kph.
September is generally a very mild month. The average temperature is of
17.7 °C, with a minimum of
12.6 °C and a maximum of
22.8 °C.

On the coldest nights of the month, the temperature usually drops to around
4.5 °C. However, it dropped to
2 °C in September 2002.

On the warmest days of the month, the temperature usually reaches around
32.5 °C. However, it reached
36 °C in September 2004.

Precipitation amounts to
85 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 49% of the time.
The average humidity is 67%.
The average wind speed is of
16.5 kph.
October is generally a warm month. The average temperature is of
20.4 °C, with a minimum of
15.3 °C and a maximum of
25.4 °C.

On the coldest nights of the month, the temperature usually drops to around
8 °C. However, it dropped to
4 °C in October 1999.

On the warmest days of the month, the temperature usually reaches around
34 °C. However, it reached
37 °C in October 1991.

Precipitation amounts to
165 mm, distributed over 8 days.
The day lasts on average 12 hours and 55 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 67%.
The average wind speed is of
16.6 kph.
November is generally a warm to hot month. The average temperature is of
22.6 °C, with a minimum of
17 °C and a maximum of
28.2 °C.

On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
6 °C in November 2007.

On the warmest days of the month, the temperature usually reaches around
35 °C. However, it reached
38 °C in November 2009.

Precipitation amounts to
125 mm, distributed over 6 days.
The day lasts on average 13 hours and 35 minutes.

There are on average 8.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 60%.
The average wind speed is of
15.6 kph.
December is generally a warm to hot month. The average temperature is of
25.1 °C, with a minimum of
19.5 °C and a maximum of
30.7 °C.

On the coldest nights of the month, the temperature usually drops to around
13 °C. However, it dropped to
10 °C in December 2001.

On the warmest days of the month, the temperature usually reaches around
36.5 °C. However, it reached
40.2 °C in December 1995.

Precipitation amounts to
125 mm, distributed over 7 days.
The day lasts on average 14 hours and 0 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.

There are on average 8 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 62%.
The average wind speed is of
14.6 kph.