(according to the Köppen classification: humid subtropical climate - Cfa), with mild winters (from June to August) and hot summers (from December to March). The rains are well distributed throughout the year, although they decrease a bit in winter.
The city is located in the southwest of Uruguay, at 34 degrees south latitude, on the coast of the River Plate (Río de la Plata), beyond which lies Buenos Aires.
all year round, in fact the heat records are around 29/30 °C (84/86°F) even in winter. Instead, from December to March, in summer, there can be heat waves, in which the temperature reaches or exceeds 35 °C (95 °F). However, the south wind is able to interrupt the hot and sultry periods, bringing pleasant (and sometimes very cool) weather for two or three days.
from the south, during which the temperature can drop to the freezing point or a little below at night, and can remain around 8 °C (46 °F) during the day. Also, fog can sometimes form.
To visit Colonia del Sacramento you can choose spring and autumn (in particular, the months of October and April), even though they are quite rainy seasons.
If you want you can also choose the summer, since the city is mitigated by the ocean, however, sometimes it can get very hot. Even in the height of summer, it is advisable to bring a sweatshirt for cooler evenings.
However, the winter is not a prohibitive season, and it rarely gets very cold.
. Here are the average temperatures.
January, the warmest month of the year, is generally a warm to hot month. The average temperature is of
24 °C, with a minimum of
19.3 °C and a maximum of
28.7 °C.
On the coldest nights of the month, the temperature usually drops to around
13 °C. However, it dropped to
9.6 °C in January 1999.
On the warmest days of the month, the temperature usually reaches around
35 °C. However, it reached
39.4 °C in January 1997.
Precipitation amounts to
100 mm, distributed over 6 days.
The day lasts on average 14 hours and 5 minutes. So the days are long.
There are on average 9.5 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 64%.
The average wind speed is of
18.1 kph.
The average sea temperature is of
23.2 °C. Therefore, the sea can be considered barely acceptable for swimming.
February is generally a warm to hot month. The average temperature is of
23.2 °C, with a minimum of
18.8 °C and a maximum of
27.6 °C.
On the coldest nights of the month, the temperature usually drops to around
13 °C. However, it dropped to
7.8 °C in February 2003.
On the warmest days of the month, the temperature usually reaches around
33.5 °C. However, it reached
36.4 °C in February 2003.
Precipitation amounts to
100 mm, distributed over 6 days.
The day lasts on average 13 hours and 20 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
17.3 kph.
The average sea temperature is of
23.4 °C. Therefore, the sea can be considered barely acceptable for swimming.
March is generally a warm month. The average temperature is of
21.5 °C, with a minimum of
17.1 °C and a maximum of
26 °C.
On the coldest nights of the month, the temperature usually drops to around
11 °C. However, it dropped to
7.9 °C in March 1995.
On the warmest days of the month, the temperature usually reaches around
32 °C. However, it reached
35.1 °C in March 2001.
Precipitation amounts to
135 mm, distributed over 6 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 62% of the time.
The average humidity is 69%.
The average wind speed is of
17 kph.
The average sea temperature is of
22.4 °C. Therefore, the sea can be considered barely acceptable for swimming.
April is generally a warm month. The average temperature is of
18.4 °C, with a minimum of
14.3 °C and a maximum of
22.4 °C.
On the coldest nights of the month, the temperature usually drops to around
8.5 °C. However, it dropped to
4.4 °C in April 2005.
On the warmest days of the month, the temperature usually reaches around
28.5 °C. However, it reached
34 °C in April 2004.
Precipitation amounts to
110 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 54% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
17.4 kph.
The average sea temperature is of
19.5 °C. Therefore, the sea is very cool for swimming.
May is generally a very mild month. The average temperature is of
15.1 °C, with a minimum of
11.4 °C and a maximum of
18.8 °C.
On the coldest nights of the month, the temperature usually drops to around
5.5 °C. However, it dropped to
1.1 °C in May 2008.
On the warmest days of the month, the temperature usually reaches around
25.5 °C. However, it reached
29.7 °C in May 1994.
Precipitation amounts to
90 mm, distributed over 5 days.
The day lasts on average 10 hours and 20 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
16 kph.
The average sea temperature is of
16.3 °C. Therefore, the sea is cold for swimming.
June is generally a mild month. The average temperature is of
12.4 °C, with a minimum of
8.8 °C and a maximum of
16 °C.
On the coldest nights of the month, the temperature usually drops to around
2.5 °C. However, it dropped to
-0.2 °C in June 1995.
On the warmest days of the month, the temperature usually reaches around
23 °C. However, it reached
28 °C in June 2020.
Precipitation amounts to
70 mm, distributed over 5 days.
The day lasts on average 9 hours and 55 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
There are on average 4.5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
17.2 kph.
The average sea temperature is of
13.3 °C. Therefore, the sea is very cold for swimming.
July, the coldest month of the year, is generally a mild month. The average temperature is of
11.2 °C, with a minimum of
7.4 °C and a maximum of
14.9 °C.
On the coldest nights of the month, the temperature usually drops to around
1 °C. However, it dropped to
-2.2 °C in July 2009.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
28.8 °C in July 1997.
Precipitation amounts to
65 mm, distributed over 5 days.
The day lasts on average 10 hours and 5 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
17.2 kph.
The average sea temperature is of
11.4 °C. Therefore, the sea is very cold for swimming.
August is generally a mild month. The average temperature is of
13 °C, with a minimum of
8.9 °C and a maximum of
17.2 °C.
On the coldest nights of the month, the temperature usually drops to around
3 °C. However, it dropped to
0 °C in August 1991.
On the warmest days of the month, the temperature usually reaches around
26.5 °C. However, it reached
32.4 °C in August 1996.
Precipitation amounts to
75 mm, distributed over 5 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
17.8 kph.
The average sea temperature is of
11.3 °C. Therefore, the sea is very cold for swimming.
September is generally a very mild month. The average temperature is of
14.6 °C, with a minimum of
10.3 °C and a maximum of
18.9 °C.
On the coldest nights of the month, the temperature usually drops to around
4.5 °C. However, it dropped to
2.3 °C in September 1995.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
32 °C in September 2013.
Precipitation amounts to
75 mm, distributed over 6 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 69%.
The average wind speed is of
19 kph.
The average sea temperature is of
12.5 °C. Therefore, the sea is very cold for swimming.
October is generally a very mild month. The average temperature is of
17.2 °C, with a minimum of
12.9 °C and a maximum of
21.6 °C.
On the coldest nights of the month, the temperature usually drops to around
6.5 °C. However, it dropped to
3 °C in October 2020.
On the warmest days of the month, the temperature usually reaches around
30 °C. However, it reached
35 °C in October 2014.
Precipitation amounts to
110 mm, distributed over 7 days.
The day lasts on average 13 hours and 0 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 70%.
The average wind speed is of
18.6 kph.
The average sea temperature is of
15.5 °C. Therefore, the sea is cold for swimming.
November is generally a warm month. The average temperature is of
20 °C, with a minimum of
15.2 °C and a maximum of
24.8 °C.
On the coldest nights of the month, the temperature usually drops to around
9 °C. However, it dropped to
5.3 °C in November 2003.
On the warmest days of the month, the temperature usually reaches around
32 °C. However, it reached
35.7 °C in November 1995.
Precipitation amounts to
115 mm, distributed over 7 days.
The day lasts on average 14 hours and 0 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 65%.
The average wind speed is of
19.3 kph.
The average sea temperature is of
18.6 °C. Therefore, the sea is very cool for swimming.
December is generally a warm to hot month. The average temperature is of
22.8 °C, with a minimum of
18 °C and a maximum of
27.6 °C.
On the coldest nights of the month, the temperature usually drops to around
11 °C. However, it dropped to
7.2 °C in December 2010.
On the warmest days of the month, the temperature usually reaches around
34 °C. However, it reached
40 °C in December 2008.
Precipitation amounts to
100 mm, distributed over 6 days.
The day lasts on average 14 hours and 25 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 61% of the time.
The average humidity is 61%.
The average wind speed is of
19 kph.
The average sea temperature is of
21.3 °C. Therefore, the sea is cool for swimming.