Current Sea Water Temperature:
+91.4°F
| Maximum Sea Water Temperature in August: | 93.2°F |
| Minimum Sea Water Temperature in August: | 87.2°F |
| Average water temperature in August: | 90.1°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| August 21 | 91.4°F | August 16 | 90.8°F |
| August 20 | 91.6°F | August 15 | 90.8°F |
| August 19 | 90.8°F | August 14 | 90.8°F |
| August 18 | 91.0°F | August 13 | 90.8°F |
| August 17 | 91.2°F | August 12 | 90.8°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
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
The average sea surface temperature in August 2026 for Chetumal was 91.0°F. The maximum and minimum values were 90.4°F and 91.8°F respectively.
Sea Water Temperature in July
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.
Mexico Resorts:
NAME
F°
| Acapulco |  |
+90 |
| Boca del Rio | |
+88 |
| Brisas de Zicatela |  |
+90 |
| Cabo San Lucas | |
+88 |
| Cancun |  |
+88 |
| Ciudad Lazaro Cardenas | |
+90 |
| La Paz | |
+108 |
| La Penita de Jaltemba |  |
+84 |
| Luces en el Mar | |
+90 |
| Monte Gordo | |
+90 |
| Playa del Carmen |  |
+90 |
| Puerto Vallarta | |
+82 |
| Riviera Maya | |
+90 |
| San Jose del Cabo | |
+90 |
| Tulum | |
+90 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Chetumal
Local time: 18:55
21 aug, friday
| 2100 |  |
86°F | W 12 mph |
22 aug, saturday
| 0000 |  |
86°F | W 11 mph |
| 0300 | |
84°F | W 7 mph |
| 0600 | |
84°F | W 6 mph |
| 0900 | |
88°F | W 7 mph |
| 1200 | |
92°F | NW 6 mph |
| 1500 |  |
94°F | NW 12 mph |
| 1800 |  |
90°F | NW 11 mph |