Measurements:
°C
°F
Chetumal
80°F
SW 12 mph
Feels like: 86°F
Precip: 10%
World Resorts Mexico Chetumal Weather

Chetumal Sea Water Temperature

Current Sea Water Temperature:
+88.6°F
Maximum Sea Water Temperature in October: 93.6°F
Minimum Sea Water Temperature in October: 84.6°F
Average water temperature in October: 88.7°F

Sea Water Temperature for the Last 10 Days:

October 22 88.6°F October 17 89.0°F
October 21 88.6°F October 16 89.8°F
October 20 88.2°F October 15 89.6°F
October 19 88.2°F October 14 89.6°F
October 18 88.8°F October 13 89.8°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: 2026 2025 2024

The average sea surface temperature in September 2026 for Chetumal was 91.6°F. The maximum and minimum values were 90.4°F and 93.0°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Chetumal was 91.2°F. The maximum and minimum values were 90.4°F and 92.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Chetumal was 90.3°F. The maximum and minimum values were 89.2°F and 91.2°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 90.3 °F
August 90.2 °F
July 89.4 °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
June 9 mph
April 9 mph

Chetumal on the Weather Map

24 Hours Weather Forecast
Chetumal
Local time: 21:58
23 oct, friday
0000 78°F
S
10 mph
0300 76°F
S
9 mph
0600 74°F
S
9 mph
0900 76°F
SE
9 mph
1200 86°F
S
6 mph
1500 88°F
W
7 mph
1800 84°F
W
7 mph
2100 82°F
W
10 mph