12.16
tue
tue
DAY
78°F
SW 22 mph
precip
63%
63%
NIGHT
78°F
W 25 mph
precip
0%
0%
12.17
wed
wed
DAY
80°F
SW 20 mph
precip
0%
0%
NIGHT
80°F
W 17 mph
precip
0%
0%
12.18
thu
thu
DAY
82°F
W 11 mph
precip
0%
0%
NIGHT
82°F
NW 12 mph
precip
0%
0%
12.19
fri
fri
DAY
80°F
SW 2 mph
precip
0%
0%
NIGHT
80°F
SW 11 mph
precip
0%
0%
12.20
sat
sat
DAY
80°F
SW 16 mph
precip
100%
100%
NIGHT
80°F
W 17 mph
precip
88%
88%
12.21
sun
sun
DAY
82°F
W 16 mph
precip
100%
100%
NIGHT
80°F
W 18 mph
precip
100%
100%
12.22
mon
mon
DAY
80°F
SW 17 mph
precip
100%
100%
NIGHT
80°F
SW 25 mph
precip
67%
67%
12.23
tue
tue
DAY
80°F
SW 22 mph
precip
59%
59%
NIGHT
80°F
SW 21 mph
precip
100%
100%
12.24
wed
wed
DAY
80°F
SW 22 mph
precip
100%
100%
NIGHT
80°F
SW 24 mph
precip
100%
100%
12.25
thu
thu
DAY
80°F
SW 21 mph
precip
57%
57%
NIGHT
80°F
SW 24 mph
precip
100%
100%
12.26
fri
fri
DAY
80°F
W 21 mph
precip
0%
0%
NIGHT
80°F
W 17 mph
precip
0%
0%
12.27
sat
sat
DAY
80°F
W 16 mph
precip
69%
69%
NIGHT
78°F
W 19 mph
precip
0%
0%
12.28
sun
sun
DAY
78°F
SW 16 mph
precip
0%
0%
NIGHT
78°F
SW 14 mph
precip
84%
84%
12.29
mon
mon
DAY
78°F
SW 12 mph
precip
85%
85%
NIGHT
78°F
SW 11 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 84.3°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 |  |
+82 |
| Cayo Coco |  |
+80 |
| Cayo Guillermo |  |
+78 |
| Cayo Largo | |
+84 |
| Cayo Santa Maria | |
+78 |
| Havana | |
+80 |
| Holguin | |
+80 |
| Manzanillo | |
+84 |
| Niquero | |
+84 |
| Playa Esmeralda | |
+82 |
| Playa Santa Lucia | |
+80 |
| Santa Maria | |
+78 |
| Santiago de Cuba | |
+84 |
| Trinidad | |
+82 |
| Varadero | |
+78 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Cayo Guillermo
Local time: 14:11
16 dec, tuesday
| 1500 | |
78°F | SW 22 mph |
| 1800 | |
78°F | SW 23 mph |
| 2100 | |
78°F | SW 24 mph |
17 dec, wednesday
| 0000 | |
78°F | W 25 mph |
| 0300 | |
80°F | SW 24 mph |
| 0600 | |
80°F | W 22 mph |
| 0900 | |
80°F | SW 22 mph |
| 1200 | |
80°F | SW 20 mph |