Measurements:
°C
°F
San Blas
96°F
SE 12 mph
Feels like: 94°F
Precip: 0%
World Resorts Mexico San Blas Weather

San Blas Sea Water Temperature

Current Sea Water Temperature:
+82.8°F
Maximum Sea Water Temperature in February: 83.6°F
Minimum Sea Water Temperature in February: 73.6°F
Average water temperature in February: 78.8°F

Sea Water Temperature for the Last 10 Days:

February 17 82.8°F February 12 83.4°F
February 16 83.6°F February 11 82.4°F
February 15 83.6°F February 10 83.0°F
February 14 83.2°F February 09 82.8°F
February 13 83.4°F February 08 82.8°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:
March 28 days
May 27 days
April 26 days
The most warm months:
May 98.7 °F
June 96.9 °F
April 95.5 °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 89.3 °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
June 4 mph
April 4 mph

San Blas on the Weather Map

24 Hours Weather Forecast
San Blas
Local time: 15:42
17 feb, tuesday
1800 90°F
SE
7 mph
2100 74°F
W
2 mph
18 feb, wednesday
0000 66°F
W
2 mph
0300 62°F
W
3 mph
0600 60°F
W
3 mph
0900 64°F
W
1 mph
1200 90°F
E
6 mph
1500 98°F
E
11 mph