World Resorts Mexico San Blas Weather

San Blas sea water temperature

Current sea water temperature:
+82.4°F
Minimum sea water temperature in December: 82.4°F
Maximum sea water temperature in December: 73.6°F
Average sea water temperature in December: 78.7°F

Sea water temperature for the last 10 days:

December 4 82.4°F November 29 83.3°F
December 3 82.2°F November 28 83.1°F
December 2 82.0°F November 27 83.5°F
December 1 82.4°F November 26 83.5°F
November 30 82.8°F November 25 83.8°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 October.

Monthly Sea Temperatures in San Blas, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 88.3°F. The highest and lowest sea temperatures during the month were 88.9°F and 87.8°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 October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 87.5°F. The highest and lowest sea temperatures during the month were 88.5°F and 86.5°F.

Best time for vacation in San Blas

Sunniest months:
March 28 days
May 27 days
April 26 days
Warmest months:
May 93.8 °F
June 92.2 °F
April 91.0 °F
Warmest sea temp:
August 87.7 °F
September 87.6 °F
October 87.3 °F
Coldest months:
January 83.5 °F
February 85.4 °F
December 86.1 °F
Rainiest months:
August 7 days
September 5 days
July 5 days
Windiest months:
May 5.1 mph
June 4.8 mph
April 4.8 mph

San Blas on a weather map

San Blas
+75°F
E 1 mph
Feels like: +79°F
Precip.: 0%
Places in Mexico:
Name
°F
+77°F
+79°F
+79°F
+72°F
+77°F
+73°F
+75°F
+79°F
+75°F
+79°F
+81°F
24 Hours Forecast
San Blas
Local time: 19:34
December 04, thursday
2100
75°F
E
1 mph
December 05, friday
0000
72°F
NW
3 mph
0300
68°F
NW
3 mph
0600
68°F
W
3 mph
0900
70°F
W
2 mph
1200
81°F
S
4 mph
1500
79°F
E
5 mph
1800
77°F
E
7 mph
Units of measurement: °C / °F