World Resorts Mexico San Blas Weather

San Blas sea water temperature

Current sea water temperature:
+90.3°F
Minimum sea water temperature in September: 90.3°F
Maximum sea water temperature in September: 86.2°F
Average sea water temperature in September: 87.7°F

Sea water temperature for the last 10 days:

September 14 90.3°F September 9 89.4°F
September 13 90.0°F September 8 89.6°F
September 12 90.1°F September 7 89.6°F
September 11 89.8°F September 6 88.7°F
September 10 89.8°F September 5 89.4°F

When is the warmest sea in San Blas?

Based on the data about daily sea water temperature for the last three years the warmest sea in San Blas was noticed in August, September and July.

Monthly Sea Temperatures in San Blas, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 89.6°F. The highest and lowest sea temperatures during the month were 90.5°F and 88.3°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 87.8°F. The highest and lowest sea temperatures during the month were 88.5°F and 87.3°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 89.1°F. The highest and lowest sea temperatures during the month were 89.6°F and 88.0°F.

Best time for vacation in San Blas

Sunniest months:
May 27 days
March 27 days
April 26 days
Warmest months:
May 94.1 °F
June 92.2 °F
April 91.3 °F
Warmest sea temp:
August 88.0 °F
September 87.6 °F
July 87.5 °F
Coldest months:
January 84.0 °F
February 85.8 °F
December 86.7 °F
Rainiest months:
August 6 days
September 5 days
July 4 days
Windiest months:
May 5.1 mph
April 4.9 mph
June 4.8 mph

San Blas on a weather map

San Blas
+81°F
N 2 mph
Feels like: +86°F
Precip.: 17%
Places in Mexico:
Name
°F
24 Hours Forecast
San Blas
Local time: 08:07
September 14, monday
0900
81°F
N
2 mph
1200
95°F
SW
5 mph
1500
91°F
E
5 mph
1800
82°F
NE
5 mph
2100
79°F
W
2 mph
September 15, tuesday
0000
77°F
W
3 mph
0300
77°F
W
2 mph
0600
75°F
W
4 mph
Units of measurement: °C / °F