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San Sebastián May Weather

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

Typical San Sebastián May Weather 1991–2020
Average daily high	18.0 °C
Average daily low	11.4 °C
Average monthly precipitation	12.2 cm
Daily chance of precipitation	52.5%

San Sebastián May Weather Records 1916–2024
Highest temperature	33.2 °C	May 30, 1996
Lowest temperature	1.6 °C	May 2, 1947
Highest daily low	22.3 °C	May 11, 1945
Lowest daily high	8.2 °C	May 1, 1939
Hottest average high temperature	20.7 °C	2017
Coldest average high temperature	13.4 °C	1984
Most daily precipitation	16.8 cm	May 31, 1997
Most monthly precipitation	26.5 cm	2013

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

Day	Average (°C)		Record (°C)
Day	High	Low	High	Low
May 1	16.6	9.9	28.5	1.6
May 2	16.7	10.0	27.4	1.6
May 3	16.8	10.1	30.2	4.4
May 4	16.9	10.2	30.3	3.9
May 5	16.9	10.2	28.2	3.6
May 6	16.9	10.3	29.7	2.8
May 7	17.0	10.4	30.3	4.0
May 8	17.1	10.5	30.4	4.5
May 9	17.1	10.6	31.2	5.2
May 10	17.2	10.6	32.2	5.0
May 11	17.4	10.7	29.5	5.0
May 12	17.6	10.9	29.3	5.2
May 13	17.7	11.0	30.5	6.0
May 14	17.8	11.1	28.4	5.4
May 15	18.0	11.2	29.5	7.0
May 16	18.1	11.4	31.2	5.1
May 17	18.1	11.5	32.5	4.6
May 18	18.2	11.6	32.0	5.0
May 19	18.3	11.7	29.3	4.1
May 20	18.3	11.8	28.9	5.8
May 21	18.4	11.9	28.5	6.0
May 22	18.4	11.9	27.4	4.8
May 23	18.5	12.0	27.5	6.8
May 24	18.6	12.1	30.6	5.2
May 25	18.7	12.2	31.8	5.4
May 26	18.8	12.3	31.6	5.6
May 27	18.9	12.4	33.0	6.7
May 28	18.9	12.4	31.3	7.0
May 29	19.0	12.5	31.6	7.0
May 30	19.1	12.6	33.2	7.0
May 31	19.1	12.7	29.5	7.1

Weather Station Details

Years	Station	Coordinates
1916–2024	San Sebastian - Igueldo	location