World Resorts Mexico Chetumal Weather

Chetumal sea water temperature

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

Sea water temperature for the last 10 days:

December 25 80.1°F December 20 79.7°F
December 24 80.2°F December 19 79.5°F
December 23 81.0°F December 18 80.1°F
December 22 80.4°F December 17 80.1°F
December 21 79.5°F December 16 80.8°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.

Best time for vacation in Chetumal

Sunniest months:
April 11 days
March 10 days
July 9 days
Warmest months:
July 88.6 °F
August 88.5 °F
May 88.3 °F
Warmest sea temp:
September 86.1 °F
August 86.1 °F
July 85.4 °F
Coldest months:
January 80.0 °F
December 81.4 °F
February 82.2 °F
Rainiest months:
October 8 days
June 8 days
September 8 days
Windiest months:
May 9.3 mph
April 9.3 mph
March 9.2 mph

Chetumal on a weather map

Chetumal
+77°F
SW 7 mph
Feels like: +81°F
Precip.: 0%
Places in Mexico:
Name
°F
+77°F
+77°F
+77°F
+68°F
+66°F
+79°F
+77°F
+66°F
+59°F
+75°F
24 Hours Forecast
Chetumal
Local time: 09:58
December 25, thursday
1200
81°F
SW
8 mph
1500
81°F
SW
9 mph
1800
79°F
SW
9 mph
2100
77°F
SW
9 mph
December 26, friday
0000
73°F
SW
8 mph
0300
72°F
SW
7 mph
0600
68°F
SW
6 mph
0900
73°F
S
6 mph
Units of measurement: °C / °F