Measurements:
°C
°F
Chetumal
94°F
NW 11 mph
Feels like: 104°F
Precip: 11%
World Resorts Mexico Chetumal Weather

Chetumal Sea Water Temperature

Current Sea Water Temperature:
+90.6°F
Maximum Sea Water Temperature in July: 91.8°F
Minimum Sea Water Temperature in July: 86.4°F
Average water temperature in July: 89.4°F

Sea Water Temperature for the Last 10 Days:

July 30 90.6°F July 25 90.4°F
July 29 91.2°F July 24 90.6°F
July 28 91.0°F July 23 90.2°F
July 27 90.6°F July 22 90.4°F
July 26 91.0°F July 21 90.6°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: 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 92.8 °F
August 92.8 °F
May 92.5 °F
Warmest sea temperature:
September 90.2 °F
August 90.1 °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: 14:04
30 jul, thursday
1500 94°F
NW
11 mph
1800 90°F
NW
11 mph
2100 86°F
W
11 mph
31 jul, friday
0000 84°F
W
9 mph
0300 84°F
W
12 mph
0600 84°F
W
11 mph
0900 88°F
W
12 mph
1200 94°F
W
12 mph