Measurements:
°C
°F
Tulum
82°F
NW 6 mph
Feels like: 88°F
Precip: 0%
World Resorts Mexico Tulum Weather

Tulum Sea Water Temperature

Current Sea Water Temperature:
+86.6°F
Maximum Sea Water Temperature in December: 87.2°F
Minimum Sea Water Temperature in December: 83.4°F
Average water temperature in December: 85.3°F

Sea Water Temperature for the Last 10 Days:

December 13 86.6°F December 08 87.0°F
December 12 86.6°F December 07 86.6°F
December 11 86.6°F December 06 86.6°F
December 10 86.8°F December 05 86.6°F
December 09 86.8°F December 04 86.6°F

When is the Warmest Sea for Tulum?

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

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 Tulum was 89.6°F. The maximum and minimum values were 88.8°F and 90.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Tulum was 89.8°F. The maximum and minimum values were 89.2°F and 90.4°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Tulum was 89.4°F. The maximum and minimum values were 88.0°F and 91.0°F respectively.

Best Time to Visit Tulum
The most sunny months:
July 13 days
April 12 days
March 10 days
The most warm months:
July 92.4 °F
August 91.9 °F
September 90.9 °F
Warmest sea temperature:
September 89.1 °F
August 89.0 °F
October 88.6 °F
The most cold months:
January 82.7 °F
February 84.3 °F
December 84.6 °F
The most rainy months:
October 8 days
June 8 days
September 7 days
The most windy months:
April 9 mph
March 9 mph
June 9 mph

Tulum on the Weather Map

24 Hours Weather Forecast
Tulum
Local time: 04:17
13 dec, saturday
0600 82°F
W
6 mph
0900 82°F
W
7 mph
1200 86°F
W
8 mph
1500 86°F
W
7 mph
1800 84°F
W
7 mph
2100 82°F
SW
6 mph
14 dec, sunday
0000 82°F
SW
5 mph
0300 82°F
W
6 mph