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Cayo Guillermo weather in January

Weather in Cayo Guillermo: January

Average day temperature: 76.6°F
Average night temperature: 72.0°F
Sea water temperature: 77.8°F
Number of sunny days: 9 days
Day length: 10.8 - 11.1 hours
Number of rainy days: 2 days
Precipitation totals: 1.3 in.

Air temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
104
Day temperature   
Night temperature

The highest day temperature during January of 2025 was 77°F. At the same time the lowest night temperature was 68°F. Day and night temperature averages during January were 73.7°F and 72.5°F.

Sea water temperature in Cayo Guillermo in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
70
73
76
79
82
85
88

The average sea water temperature in January of 2025 was 76.7°F. The highest and lowest sea temperatures during the month were 78.4°F and 74.8°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
26%
42%
32%

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

Precipitation total in January, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.9
1.9
2.8
3.7
4.7
5.6
6.5
7.5
1.1
3.0
4.5
5.5
4.5
3.0
3.3
5.3
1.6
1.1
1.1
3.0
4.5
5.5
4.5
3.0
3.3
5.3
1.6
1.1
1.6

Precipitation total value in Cayo Guillermo in January is 1.6 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
2.6
5.2
7.8
10.4
12.9
15.5
18.1
14.7
14.6
12.9
11.5
13.3
13.9
11.8
12.4
13.9
15.1
14.7
14.7
14.6
12.9
11.5
13.3
13.9
11.8
12.4
13.9
15.1
14.7
13.6

The average wind speed value in January is 13.6 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.7
4.1
5.4
6.8
8.1
9.5
5.2
5.7
6.0
7.5
7.0
6.9
6.5
7.2
7.9
7.3
6.2
5.2
5.7
6.0
7.5
7.0
6.9
6.5
7.2
7.9
7.3
6.2
5.9

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: 5.9.

Best time for vacation in Cayo Guillermo

Sunniest months:
April 13 days
July 12 days
March 12 days
Warmest months:
August 87.0 °F
July 86.7 °F
September 86.1 °F
Warmest sea temp:
September 85.9 °F
August 85.8 °F
July 85.2 °F
Coldest months:
January 76.6 °F
February 77.7 °F
December 78.5 °F
Rainiest months:
May 7 days
October 7 days
June 6 days
Windiest months:
March 14.6 mph
November 14.2 mph
December 14.0 mph

Cayo Guillermo on a weather map

Leaflet | Tiles © Esri
Places in Cuba:
Name
°F
+73°F
+73°F
+77°F
+79°F
+73°F
+73°F
+77°F
+77°F
+73°F
+73°F
24 Hours Forecast
Cayo Guillermo
Local time: 01:31
February 13, thursday
0300
77°F
W
17 mph
0600
75°F
W
18 mph
0900
77°F
W
17 mph
1200
77°F
W
17 mph
1500
77°F
W
19 mph
1800
77°F
W
22 mph
2100
77°F
W
20 mph
February 14, friday
0000
75°F
W
18 mph
Units of measurement: °C / °F