Measurements:
°C
°F
San Blas
84°F
E 7 mph
Feels like: 86°F
Precip: 0%
World Resorts Mexico San Blas Weather

San Blas Sea Water Temperature

Current Sea Water Temperature:
+85.8°F
Maximum Sea Water Temperature in April: 87.2°F
Minimum Sea Water Temperature in April: 76.2°F
Average water temperature in April: 80.9°F

Sea Water Temperature for the Last 10 Days:

April 20 85.8°F April 15 85.6°F
April 19 87.2°F April 14 85.6°F
April 18 86.4°F April 13 86.4°F
April 17 85.4°F April 12 86.2°F
April 16 85.0°F April 11 86.2°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 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 89.7 °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
June 4 mph
April 4 mph

San Blas on the Weather Map

24 Hours Weather Forecast
San Blas
Local time: 17:34
20 apr, monday
1800 84°F
E
7 mph
2100 76°F
SE
1 mph
21 apr, tuesday
0000 74°F
S
2 mph
0300 72°F
S
2 mph
0600 76°F
SW
2 mph
0900 90°F
SE
2 mph
1200 98°F
E
11 mph
1500 94°F
E
12 mph