Measurements:
°C
°F
CURRENT WEATHER
13:22
San Sebastian
70°F
S 6 mph
Feels like: 70°F
Precip: 0%
World Resorts Spain San Sebastian Weather December Weather in San Sebastian

San Sebastian Weather: December

Average Day Temperature: 55.2°F
Average Night Temperature: 46.1°F
Sea Water Temperature: 58.2°F
Number of Sunny Days: 11 days
Sunshine Hours: 9.0 - 9.2 hours
Number of Rainy Days: 6 days
Precipitation Totals: 3.7 in
detailed information

Air Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
11
22
33
44
55
66
77
88
Day Temperature   
Night Temperature

The highest day temperature in December 2024 was 68°F. The lowest night temperature was 34°F. The average values for day and night temperatures during December were 53.5°F и 45.0°F respectivly.

San Sebastian Water Sea Temperature in December, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
51
54
57
60
63
66

The average sea surface temperature in December 2024 for San Sebastian was 58.0°F. The maximum and minimum values were 55.0°F and 60.0°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
35%
26%
39%

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

Precipitation Totals in December, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.9
1.7
2.6
3.5
4.4
5.2
6.1

Precipitation total in December for San Sebastian is 3.7 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
3.0
4.5
6.0
7.5
9.0
10.5

The average wind speed in December is 8.8 mph. It makes December the most windy month of the year for San Sebastian.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
3.1
4.6
6.1
7.6
9.2
10.7

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 15 days
October 14 days
The most warm months:
August 79.6 °F
July 77.6 °F
September 76.3 °F
Warmest sea temperature:
August 75.1 °F
July 73.4 °F
September 72.6 °F
The most cold months:
January 51.8 °F
February 53.8 °F
December 55.2 °F
The most rainy months:
November 9 days
January 8 days
February 7 days
The most windy months:
December 9 mph
November 8 mph
February 8 mph
more details

San Sebastian on the Weather Map

24 Hours Weather Forecast
San Sebastian
Local time: 13:22
09 apr, wednesday
1500 70°F
S
5 mph
1800 64°F
S
4 mph
2100 52°F
NE
5 mph
10 apr, thursday
0000 50°F
NE
4 mph
0300 48°F
N
4 mph
0600 46°F
N
4 mph
0900 60°F
W
2 mph
1200 68°F
SW
5 mph