Measurements:
°C
°F
San Blas
94°F
SW 3 mph
Feels like: 100°F
Precip: 3%
World Resorts Mexico San Blas Weather

San Blas Sea Water Temperature

Current Sea Water Temperature:
+93.0°F
Maximum Sea Water Temperature in July: 94.4°F
Minimum Sea Water Temperature in July: 88.0°F
Average water temperature in July: 91.4°F

Sea Water Temperature for the Last 10 Days:

July 10 93.0°F July 05 94.0°F
July 09 93.4°F July 04 93.6°F
July 08 93.6°F July 03 93.0°F
July 07 93.4°F July 02 93.6°F
July 06 94.0°F July 01 93.6°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 October.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for San Blas was 92.6°F. The maximum and minimum values were 92.0°F and 93.2°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 October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for San Blas was 91.7°F. The maximum and minimum values were 90.6°F and 92.8°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 91.9 °F
September 91.7 °F
October 91.5 °F
The most cold months:
January 87.8 °F
February 89.7 °F
December 90.8 °F
The most rainy months:
August 7 days
September 5 days
July 5 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: 08:34
10 jul, friday
0900 94°F
SW
3 mph
1200 102°F
E
7 mph
1500 96°F
NE
8 mph
1800 90°F
E
3 mph
2100 82°F
S
2 mph
11 jul, saturday
0000 80°F
W
2 mph
0300 78°F
W
2 mph
0600 80°F
W
3 mph