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Montevideo weather in January

Weather in Montevideo: January

Average day temperature: 84.0°F
Average night temperature: 68.7°F
Sea water temperature: 76.1°F
Number of sunny days: 22 days
Day length: 13.8 - 14.4 hours
Number of rainy days: 4 days
Precipitation totals: 2.4 in.

Air temperature in January, °F

Show year:
2025
2024
2023
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25
27
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0
15
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45
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75
90
105
120
Day temperature   
Night temperature

The highest day temperature during January of 2025 was 91°F. At the same time the lowest night temperature was 58°F. Daily and nightly averages during January were 83.4°F and 66.5°F.

Sea water temperature in Montevideo in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
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67
70
73
76
79
82
85

The average sea water temperature in January of 2025 was 74.9°F. The highest and lowest sea temperatures during the month were 78.3°F and 71.8°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
67%
23%
10%

Mostly all days in January are sunny but cloudy days are also possible.

Precipitation total in January, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.7
1.3
2.0
2.7
3.3
4.0
4.7
5.3
2.8
2.4
3.2
3.1
3.1
3.3
2.9
3.6
3.9
2.5
2.5
2.8
2.4
3.2
3.1
3.1
3.3
2.9
3.6
3.9
2.5
2.5
2.3

Precipitation total value in Montevideo in January is 2.3 in. Other months of the year show relatively similar values.

Wind speed in January, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.9
3.9
5.8
7.7
9.7
11.6
13.5
15.5
11.0
11.1
10.3
9.7
9.3
9.5
9.2
9.2
9.9
10.7
10.7
11.0
11.1
10.3
9.7
9.3
9.5
9.2
9.2
9.9
10.7
10.7
11.3

The average wind speed value in January is 11.3 mph It makes January most windy month of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.9
3.8
5.7
7.5
9.4
11.3
13.2
10.6
10.0
8.8
7.2
7.0
6.4
5.9
6.2
7.3
7.9
9.1
10.6
10.0
8.8
7.2
7.0
6.4
5.9
6.2
7.3
7.9
9.1
11.0

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 11.0.

Best time for vacation in Montevideo

Sunniest months:
January 22 days
December 21 days
November 20 days
Warmest months:
January 84.0 °F
February 82.3 °F
December 80.0 °F
Warmest sea temp:
January 76.1 °F
February 76.0 °F
December 73.0 °F
Coldest months:
July 57.3 °F
June 59.2 °F
August 59.6 °F
Rainiest months:
February 5 days
April 5 days
July 5 days
Windiest months:
November 11.1 mph
January 11.0 mph
October 10.8 mph

Montevideo on a weather map

Leaflet | Tiles © Esri
Places in Uruguay:
Name
°F
24 Hours Forecast
Montevideo
Local time: 03:45
April 09, wednesday
0600
66°F
W
23 mph
0900
66°F
W
23 mph
1200
66°F
W
30 mph
1500
66°F
W
30 mph
1800
68°F
W
26 mph
2100
66°F
W
26 mph
April 10, thursday
0000
66°F
W
21 mph
0300
66°F
W
22 mph
Units of measurement: °C / °F