Measurements:
°C
°F
Chetumal
84°F
W 13 mph
Feels like: 92°F
Precip: 19%
World Resorts Mexico Chetumal Weather

Chetumal Sea Water Temperature

Current Sea Water Temperature:
+89.2°F
Maximum Sea Water Temperature in June: 93.0°F
Minimum Sea Water Temperature in June: 86.4°F
Average water temperature in June: 89.1°F

Sea Water Temperature for the Last 10 Days:

June 20 89.2°F June 15 89.6°F
June 19 89.4°F June 14 87.8°F
June 18 89.2°F June 13 89.4°F
June 17 89.6°F June 12 89.2°F
June 16 89.4°F June 11 90.0°F

When is the Warmest Sea for Chetumal?

According to our data for the last three years for Chetumal the highest average sea water temperature was in September, August and July.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Chetumal was 90.8°F. The maximum and minimum values were 89.2°F and 92.6°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Chetumal was 91.1°F. The maximum and minimum values were 89.6°F and 92.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Chetumal was 89.9°F. The maximum and minimum values were 88.0°F and 91.8°F respectively.

Best Time to Visit Chetumal
The most sunny months:
April 11 days
March 10 days
July 9 days
The most warm months:
July 92.9 °F
August 92.8 °F
May 92.5 °F
Warmest sea temperature:
September 90.2 °F
August 90.1 °F
July 89.3 °F
The most cold months:
January 83.5 °F
December 85.1 °F
February 85.8 °F
The most rainy months:
October 8 days
June 8 days
September 8 days
The most windy months:
May 9 mph
April 9 mph
June 9 mph

Chetumal on the Weather Map

24 Hours Weather Forecast
Chetumal
Local time: 04:03
20 jun, saturday
0600 84°F
W
14 mph
0900 88°F
NW
12 mph
1200 92°F
NW
12 mph
1500 92°F
NW
13 mph
1800 90°F
W
12 mph
2100 86°F
W
12 mph
21 jun, sunday
0000 84°F
W
12 mph
0300 84°F
W
12 mph