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Santiago de Compostela May Weather

Averages and records for weather in Santiago de Compostela, Spain in the month of May.

Typical Santiago de Compostela May Weather 1991–2020
Average daily high	19.5 °C
Average daily low	8.9 °C
Average monthly precipitation	11.5 cm
Daily chance of precipitation	48.5%

Santiago de Compostela May Weather Records 1943–2024
Highest temperature	34.0 °C	May 29, 2001
Lowest temperature	-2.0 °C	May 3, 1967
Highest daily low	19.0 °C	May 16, 1992
Lowest daily high	8.0 °C	May 18, 1979
Hottest average high temperature	22.8 °C	2020
Coldest average high temperature	14.0 °C	1984
Most daily precipitation	7.8 cm	May 7, 2000
Most monthly precipitation	31.8 cm	1973

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	17.7	7.6	30.0	0.0
May 2	17.8	7.7	29.6	0.2
May 3	17.9	7.7	28.4	-2.0
May 4	18.0	7.8	30.2	0.6
May 5	18.1	7.9	29.0	2.8
May 6	18.2	7.9	30.4	1.2
May 7	18.3	8.0	29.4	2.2
May 8	18.4	8.1	28.5	1.0
May 9	18.6	8.1	28.5	1.0
May 10	18.7	8.2	32.5	0.0
May 11	18.8	8.3	33.5	1.2
May 12	19.0	8.4	31.4	3.6
May 13	19.1	8.5	31.8	3.0
May 14	19.2	8.6	32.0	3.0
May 15	19.4	8.7	31.7	3.2
May 16	19.5	8.8	32.0	3.0
May 17	19.7	9.0	30.2	3.8
May 18	19.8	9.1	30.1	-0.8
May 19	19.9	9.2	30.0	2.0
May 20	20.0	9.3	29.1	0.6
May 21	20.1	9.3	30.6	1.6
May 22	20.1	9.4	31.4	3.0
May 23	20.2	9.5	30.5	2.0
May 24	20.3	9.5	32.8	1.6
May 25	20.4	9.6	29.6	2.5
May 26	20.5	9.7	30.2	2.5
May 27	20.6	9.8	32.6	4.0
May 28	20.7	9.8	33.4	2.0
May 29	20.8	9.9	34.0	2.5
May 30	20.9	10.0	31.3	3.5
May 31	21.0	10.1	32.6	3.0

Weather Station Details

Years	Station	Coordinates
1943–2024	Santiago De Compostela/labacol	location