Measurements:
°C
°F
San Blas
90°F
SW 3 mph
Feels like: 98°F
Precip: 9%
World Resorts Mexico San Blas Weather

San Blas Sea Water Temperature

Current Sea Water Temperature:
+94.6°F
Maximum Sea Water Temperature in September: 94.6°F
Minimum Sea Water Temperature in September: 90.2°F
Average water temperature in September: 91.9°F

Sea Water Temperature for the Last 10 Days:

September 12 94.6°F September 07 94.0°F
September 11 94.2°F September 06 93.0°F
September 10 94.2°F September 05 93.8°F
September 09 93.8°F September 04 94.0°F
September 08 94.0°F September 03 94.4°F

When is the Warmest Sea for San Blas?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for San Blas was 94.0°F. The maximum and minimum values were 92.6°F and 95.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for San Blas was 92.0°F. The maximum and minimum values were 91.4°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 San Blas was 93.4°F. The maximum and minimum values were 92.2°F and 94.0°F respectively.

Best Time to Visit San Blas
The most sunny months:
May 27 days
March 27 days
April 26 days
The most warm months:
May 99.0 °F
June 96.9 °F
April 95.9 °F
Warmest sea temperature:
August 92.2 °F
September 91.7 °F
July 91.6 °F
The most cold months:
January 87.8 °F
February 89.7 °F
December 90.8 °F
The most rainy months:
August 6 days
September 5 days
July 4 days
The most windy months:
May 5 mph
April 4 mph
June 4 mph

San Blas on the Weather Map

24 Hours Weather Forecast
San Blas
Local time: 08:32
12 sep, saturday
0900 90°F
SW
3 mph
1200 100°F
SE
6 mph
1500 98°F
E
11 mph
1800 88°F
E
6 mph
2100 84°F
W
2 mph
13 sep, sunday
0000 82°F
NW
2 mph
0300 82°F
W
3 mph
0600 80°F
W
2 mph