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Precipitation
Temperature
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°Celsius
°Fahrenheit
Monthly Historical Averages
Donostia-San Sebastián, PV
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May
Average Temperature
High
18°
Feels 17
Low
9°
Feels 8
Average Precipitation
12 Days
Rain amount
75.6mm
Snow amount
0cm
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Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
18°
21
26°
22
26°
23
21°
24
22°
25
21°
26
23°
27
23°
28
22°
29
20°
30
20°
31
20°
Forecast
Wednesday, May 20, 2026
Day
18°
Feels 18
Wind
16 km/h NE
Gust
23 km/h
Humidity
71%
P.O.P
30%
Night
14°
Feels 14
Wind
12 km/h S
Gust
19 km/h
Humidity
97%
P.O.P
20%
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.