Measurements:
°C
°F
San Sebastian
54°F
S 9 mph
Feels like: 52°F
Precip: 100%
World Resorts Spain San Sebastian Weather December Weather in San Sebastian

San Sebastian Weather: December

Average Day Temperature: 55.4°F
Average Night Temperature: 46.2°F
Sea Water Temperature: 58.3°F
Number of Sunny Days: 11 days
Sunshine Hours: 9.0 - 9.2 hours
Number of Rainy Days: 6 days
Precipitation Totals: 3.9 in

Air Temperature in December, °F

Select Year: 2023 2022 2021

The highest day temperature in December 2023 was 65°F. The lowest night temperature was 36°F. The average values for day and night temperatures during December were 54.9°F и 46.4°F respectivly.

San Sebastian Water Sea Temperature in December, °F

Select Year: 2023 2022 2021

The average sea surface temperature in December 2023 for San Sebastian was 60.1°F. The maximum and minimum values were 57.8°F and 62.0°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during December. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in December, in

Precipitation total in December for San Sebastian is 3.9 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 8.9 mph. It makes December one of the most windy months of the year for San Sebastian.

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 Sebastian in December is 4.7 hours.

Best Time to Visit San Sebastian
The most sunny months:
August 16 days
September 16 days
October 15 days
The most warm months:
August 79.7 °F
July 77.6 °F
September 76.9 °F
Warmest sea temperature:
August 75.0 °F
July 73.4 °F
September 72.6 °F
The most cold months:
January 51.8 °F
February 53.6 °F
December 55.4 °F
The most rainy months:
November 9 days
February 8 days
January 8 days
The most windy months:
February 9 mph
December 9 mph
November 9 mph

San Sebastian on the Weather Map

24 Hours Weather Forecast
San Sebastian
Local time: 15:21
18 apr, thursday
1800 54°F
S
7 mph
2100 46°F
SW
4 mph
19 apr, friday
0000 44°F
N
3 mph
0300 38°F
NW
4 mph
0600 38°F
NW
6 mph
0900 52°F
NW
3 mph
1200 62°F
SW
6 mph
1500 66°F
SW
9 mph