Measurements:
°C
°F
San Blas
60°F
W 2 mph
Feels like: 60°F
Precip: 0%
World Resorts Mexico San Blas Weather December Weather in San Blas

San Blas Weather: December

Average Day Temperature: 90.8°F
Average Night Temperature: 66.9°F
Sea Water Temperature: 82.1°F
Number of Sunny Days: 24 days
Sunshine Hours: 10.8 - 10.9 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.0 in

Air Temperature in December, °F

Select Year: 2025 2024 2023

The highest day temperature in December 2025 was 101°F. The lowest night temperature was 64°F. The average values for day and night temperatures during December were 94.4°F и 69.6°F respectivly.

San Blas Water Sea Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for San Blas was 83.8°F. The maximum and minimum values were 82.0°F and 86.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in December are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in December, in

Precipitation total in December for San Blas is 0.0 in. It makes december one of the least rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 3.8 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Blas in December is 8.8 hours.

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 87.3 °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: 06:01
09 jan, friday
0900 58°F
W
3 mph
1200 82°F
S
1 mph
1500 90°F
E
7 mph
1800 86°F
E
9 mph
2100 72°F
SE
2 mph
10 jan, saturday
0000 68°F
W
2 mph
0300 64°F
W
3 mph
0600 60°F
W
3 mph