.
, from June to August, is quite mild, however, it can get cold at night. Sometimes fog can form. During cold spells, the temperature can drop several degrees below freezing, at least at night. The record is -10 °C (14 °F), set in July 1988. However, snow is rare.
, from December to February, is warm, but with cool nights, and quite frequent thunderstorms. There can be heat waves, during which the temperature can reach 38/40 °C (100/104 °F). The record is 41.8 °C (107.2 °F), set in January 2022. On other occasions, it can get very cool, or even a little cold, at night.
Tres Arroyos is a city of 47,000 inhabitants located in Argentina, at 38 degrees south latitude, in the province of Buenos Aires, and 55 km (35 mi) from the coast.
. Here are the average temperatures.
January, the warmest month of the year, is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
22.3 °C, with a minimum of
15.2 °C and a maximum of
29.4 °C.

On the coldest nights of the month, the temperature usually drops to around
7.5 °C.

On the warmest days of the month, the temperature usually reaches around
37.5 °C.

Precipitation amounts to
79.8 mm, distributed over 7 days.
The day lasts on average 14 hours and 25 minutes. So the days are long.

There are on average 9 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 53%.
The average wind speed is of
15.1 kph.
February is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
21.2 °C, with a minimum of
14.6 °C and a maximum of
27.9 °C.

On the coldest nights of the month, the temperature usually drops to around
7 °C.

On the warmest days of the month, the temperature usually reaches around
35 °C.

Precipitation amounts to
106.5 mm, distributed over 7 days.
The day lasts on average 13 hours and 30 minutes.

There are on average 8.5 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 61%.
The average wind speed is of
14 kph.
March is generally a warm month. The average temperature is of
19.2 °C, with a minimum of
13.1 °C and a maximum of
25.4 °C.

On the coldest nights of the month, the temperature usually drops to around
5.5 °C.

On the warmest days of the month, the temperature usually reaches around
32 °C.

Precipitation amounts to
79.8 mm, distributed over 7 days.
The day lasts on average 12 hours and 20 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 56% of the time.
The average humidity is 65%.
The average wind speed is of
12.8 kph.
April is generally a very mild month. The average temperature is of
15.2 °C, with a minimum of
9.4 °C and a maximum of
20.9 °C.

On the coldest nights of the month, the temperature usually drops to around
2 °C.

On the warmest days of the month, the temperature usually reaches around
28.5 °C.

Precipitation amounts to
73.2 mm, distributed over 6 days.
The day lasts on average 11 hours and 0 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 67%.
The average wind speed is of
12.7 kph.
May is generally a mild month. The average temperature is of
11.8 °C, with a minimum of
6.8 °C and a maximum of
16.8 °C.

On the coldest nights of the month, the temperature usually drops to around
-0.5 °C.

On the warmest days of the month, the temperature usually reaches around
24 °C.

Precipitation amounts to
52.1 mm, distributed over 6 days.
The day lasts on average 10 hours and 0 minutes.

There are on average 4.5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
11.8 kph.
June is generally a mild month. The average temperature is of
8.8 °C, with a minimum of
4 °C and a maximum of
13.5 °C.

On the coldest nights of the month, the temperature usually drops to around
-3.5 °C.

On the warmest days of the month, the temperature usually reaches around
19 °C.

Precipitation amounts to
44 mm, distributed over 5 days.
The day lasts on average 9 hours and 35 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 41% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
13 kph.
July, the coldest month of the year, is generally a quite mild month. The average temperature is of
7.9 °C, with a minimum of
3.1 °C and a maximum of
12.7 °C.

On the coldest nights of the month, the temperature usually drops to around
-4 °C.

On the warmest days of the month, the temperature usually reaches around
20.5 °C.

Precipitation amounts to
42.7 mm, distributed over 5 days.
The day lasts on average 9 hours and 50 minutes.

There are on average 4 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
13.6 kph.
August is generally a mild month. The average temperature is of
9.8 °C, with a minimum of
4.3 °C and a maximum of
15.2 °C.

On the coldest nights of the month, the temperature usually drops to around
-3 °C.

On the warmest days of the month, the temperature usually reaches around
23.5 °C.

Precipitation amounts to
46.3 mm, distributed over 5 days.
The day lasts on average 10 hours and 40 minutes.

There are on average 4.5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 67%.
The average wind speed is of
13.9 kph.
September is generally a mild month. The average temperature is of
11.4 °C, with a minimum of
5.6 °C and a maximum of
17.3 °C.

On the coldest nights of the month, the temperature usually drops to around
-1 °C.

On the warmest days of the month, the temperature usually reaches around
25.5 °C.

Precipitation amounts to
56.3 mm, distributed over 6 days.
The day lasts on average 11 hours and 55 minutes.

There are on average 5.5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 64%.
The average wind speed is of
14 kph.
October is generally a mild month. The average temperature is of
14.3 °C, with a minimum of
8.3 °C and a maximum of
20.3 °C.

On the coldest nights of the month, the temperature usually drops to around
1 °C.

On the warmest days of the month, the temperature usually reaches around
29 °C.

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

There are on average 6.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 65%.
The average wind speed is of
14.6 kph.
November is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of
17.5 °C, with a minimum of
10.9 °C and a maximum of
24.1 °C.

On the coldest nights of the month, the temperature usually drops to around
3 °C.

On the warmest days of the month, the temperature usually reaches around
32.5 °C.

Precipitation amounts to
90.7 mm, distributed over 7 days.
The day lasts on average 14 hours and 10 minutes. So the days are long.

There are on average 8.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 57%.
The average wind speed is of
15.4 kph.
December is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of
20.8 °C, with a minimum of
13.6 °C and a maximum of
28 °C.

On the coldest nights of the month, the temperature usually drops to around
6 °C.

On the warmest days of the month, the temperature usually reaches around
35 °C.

Precipitation amounts to
78.5 mm, distributed over 7 days.
The day lasts on average 14 hours and 50 minutes. So the days are long. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.

There are on average 9 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 53%.
The average wind speed is of
15.6 kph.