Current sea water temperature:
+80.1°F
| Minimum sea water temperature in December: | 82.9°F |
| Maximum sea water temperature in December: | 75.9°F |
| Average sea water temperature in December: | 79.7°F |
| more information | |
14 days
forecast
forecast
| Chetumal |
monthly
weather
weather
| Chetumal |
Sea water temperature for the last 10 days:
| December 18 | 80.1°F | December 13 | 81.3°F |
| December 17 | 80.1°F | December 12 | 81.9°F |
| December 16 | 80.8°F | December 11 | 81.7°F |
| December 15 | 80.6°F | December 10 | 81.5°F |
| December 14 | 81.1°F | December 9 | 81.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Chetumal?
Based on the data about daily sea water temperature for the last three years the warmest sea in Chetumal was noticed in September, August and July.
Monthly Sea Temperatures in Chetumal, °F
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.8°F. The highest and lowest sea temperatures during the month were 88.3°F and 85.3°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 87.0°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.6°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 85.9°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.2°F.
current
weather
weather
| Chetumal |
weather in
December
December
| Chetumal |
Best time for vacation in Chetumal
Chetumal on a weather map
Places in Mexico:
Name
°F
24 Hours Forecast
Chetumal
Local time: 11:39
December 18, thursday
1200
81°F
NW
6 mph
6 mph
1500
79°F
SW
2 mph
2 mph
1800
79°F
SW
3 mph
3 mph
2100
77°F
SW
5 mph
5 mph
December 19, friday
0000
75°F
NW
4 mph
4 mph
0300
75°F
S
1 mph
1 mph
0600
73°F
NW
4 mph
4 mph
0900
75°F
W
3 mph
3 mph
