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San Sebastián December Weather

Averages and records for weather in San Sebastián, Spain in the month of December.

Typical San Sebastián December Weather 1991–2020
Average daily high	12.0 °C
Average daily low	6.9 °C
Average monthly precipitation	15.3 cm
Daily chance of precipitation	52.3%

San Sebastián December Weather Records 1916–2024
Highest temperature	22.0 °C	December 2, 1979
Lowest temperature	-8.4 °C	December 25, 1962
Highest daily low	18.0 °C	December 3, 1985
Lowest daily high	-4.3 °C	December 24, 1962
Hottest average high temperature	16.6 °C	2015
Coldest average high temperature	7.2 °C	1933
Most daily precipitation	11.3 cm	December 29, 1960
Most monthly precipitation	45.7 cm	1960

Note: Daily averages are a moving average which includes 14 days before and after

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
December 1	12.6	7.5	19.6	-3.1
December 2	12.6	7.5	22.0	-3.8
December 3	12.5	7.4	21.6	-6.7
December 4	12.4	7.4	19.4	-1.1
December 5	12.4	7.4	19.6	0.4
December 6	12.3	7.3	19.4	-1.4
December 7	12.3	7.3	21.3	-1.3
December 8	12.3	7.3	19.2	-1.4
December 9	12.3	7.3	20.6	-5.4
December 10	12.2	7.3	19.4	-4.2
December 11	12.2	7.2	19.0	-4.0
December 12	12.1	7.1	21.0	-3.3
December 13	12.1	7.1	19.2	-1.2
December 14	12.0	7.0	21.6	-4.2
December 15	12.0	6.9	21.0	-5.6
December 16	12.0	6.9	21.0	-3.8
December 17	12.0	6.9	21.6	-6.6
December 18	12.0	6.9	19.8	-6.5
December 19	11.9	6.8	21.5	-2.6
December 20	11.9	6.8	19.4	-3.3
December 21	11.9	6.8	20.0	-1.9
December 22	11.9	6.7	19.4	-3.0
December 23	11.8	6.7	21.3	-4.4
December 24	11.8	6.7	21.2	-8.4
December 25	11.8	6.7	19.6	-8.4
December 26	11.8	6.6	20.2	-3.7
December 27	11.7	6.6	18.4	-3.2
December 28	11.7	6.6	18.5	-2.0
December 29	11.7	6.6	20.4	-2.4
December 30	11.7	6.6	21.3	-2.8
December 31	11.7	6.6	21.7	-3.6

Weather Station Details

Years	Station	Coordinates
1916–2024	San Sebastian - Igueldo	location