12.17
wed
wed
DAY
80°F
W 19 mph
precip
0%
0%
NIGHT
80°F
W 18 mph
precip
0%
0%
12.18
thu
thu
DAY
82°F
W 15 mph
precip
0%
0%
NIGHT
80°F
NW 12 mph
precip
0%
0%
12.19
fri
fri
DAY
80°F
N 1 mph
precip
0%
0%
NIGHT
80°F
SW 9 mph
precip
0%
0%
12.20
sat
sat
DAY
80°F
SW 12 mph
precip
0%
0%
NIGHT
80°F
W 14 mph
precip
83%
83%
12.21
sun
sun
DAY
82°F
W 14 mph
precip
69%
69%
NIGHT
80°F
SW 17 mph
precip
55%
55%
12.22
mon
mon
DAY
80°F
SW 18 mph
precip
100%
100%
NIGHT
80°F
SW 27 mph
precip
100%
100%
12.23
tue
tue
DAY
78°F
SW 30 mph
precip
100%
100%
NIGHT
78°F
W 25 mph
precip
68%
68%
12.24
wed
wed
DAY
78°F
SW 22 mph
precip
78%
78%
NIGHT
78°F
W 22 mph
precip
72%
72%
12.25
thu
thu
DAY
80°F
W 22 mph
precip
22%
22%
NIGHT
78°F
W 21 mph
precip
100%
100%
12.26
fri
fri
DAY
78°F
W 21 mph
precip
100%
100%
NIGHT
78°F
SW 19 mph
precip
100%
100%
12.27
sat
sat
DAY
78°F
W 14 mph
precip
30%
30%
NIGHT
78°F
SW 14 mph
precip
100%
100%
12.28
sun
sun
DAY
76°F
SW 15 mph
precip
100%
100%
NIGHT
78°F
W 17 mph
precip
100%
100%
12.29
mon
mon
DAY
80°F
W 17 mph
precip
100%
100%
NIGHT
80°F
W 19 mph
precip
67%
67%
12.30
tue
tue
DAY
80°F
W 14 mph
precip
0%
0%
NIGHT
78°F
SW 16 mph
precip
0%
0%
Sea water
temperature
temperature
| Cayo Guillermo |
Weather in
December
December
| Cayo Guillermo |
7 day weather
forecast
forecast
| Cayo Guillermo |
10 day weather
forecast
forecast
| Cayo Guillermo |
14 day weather
forecast
forecast
| Cayo Guillermo |
Monthly weather
averages
averages
| Cayo Guillermo |
Current Weather
Conditions
Conditions
| Cayo Guillermo |
When is the Best
Time to Visit?
Time to Visit?
| Cayo Guillermo |
Cayo Guillermo Sea Water Temperature in December, °F
The average sea surface temperature in December 2025 for Cayo Guillermo was 84.2°F. The maximum and minimum values were 82.2°F and 85.6°F respectively.
Cayo Guillermo on the Weather Map
Cuba Resorts:
NAME
F°
| Baracoa |  |
+80 |
| Cayo Coco |  |
+80 |
| Cayo Guillermo | |
+80 |
| Cayo Largo | |
+82 |
| Cayo Santa Maria | |
+82 |
| Havana |  |
+80 |
| Holguin | |
+78 |
| Manzanillo | |
+84 |
| Niquero | |
+80 |
| Playa Esmeralda | |
+80 |
| Playa Santa Lucia | |
+80 |
| Santa Maria | |
+82 |
| Santiago de Cuba | |
+82 |
| Trinidad | |
+82 |
| Varadero | |
+80 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cayo Guillermo
Local time: 18:03
17 dec, wednesday
| 2100 | |
80°F | SW 20 mph |
18 dec, thursday
| 0000 | |
80°F | W 18 mph |
| 0300 | |
80°F | W 16 mph |
| 0600 | |
80°F | W 16 mph |
| 0900 | |
80°F | W 16 mph |
| 1200 | |
82°F | W 15 mph |
| 1500 | |
82°F | W 16 mph |
| 1800 | |
82°F | W 17 mph |