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Climate Lab — Donostia / San Sebastián, Spain

Climate Lab·

Monthly climate metrics across temperature, precipitation, wind, and UV.

MetricJanFebMarAprMayJunJulAugSepOctNovDecYear
Temperature
Daily high°C
12
15
15
17
19
22
24
25
24
21
17
13
19
Daily mean°C
8
11
11
12
14
18
20
21
19
16
13
10
14
Daily low°C
3
8
7
8
11
15
16
17
14
12
9
6
10
Thermal comfort
High feels°C
16
18
20
23
25
29
30
31
28
24
19
15
23
Mean feels°C
3
6
8
11
15
20
23
23
19
14
9
4
13
Low feels°C
-6
-4
-2
1
7
12
15
14
9
6
0
-6
4
Humidity
Humidity%
79
78
73
77
77
81
80
80
77
78
81
81
78
Dewpoint°C
4.5
7.0
6.4
7.8
10.5
14.2
16.4
17.2
13.9
13.3
9.3
6.4
10.6
Precipitation
Rainfallmm
122
65
131
104
83
104
51
106
103
152
235
191
1447
Rain days≥1mm
15
14
18
14
13
18
11
16
14
13
19
16
181
Wind
Wind avgm/s
3.4
3.4
3.5
3.3
2.8
2.8
2.7
2.7
2.7
3.2
3.4
3.9
3.1
Wind gustsm/s
7.3
7.2
7.3
7.0
5.5
5.8
5.0
5.1
5.8
7.6
7.8
8.9
6.7
Sun & UV
Sunshinehrs/day
5.7
6.9
8.3
9.3
10.1
9.8
10.4
9.8
8.5
7.9
5.0
5.5
8.1
Clear skyindex
25%
44%
37%
37%
31%
37%
43%
49%
39%
35%
36%
34%
37%
UV indexmax avg
1.1
2.0
3.0
4.6
5.4
6.3
7.3
6.4
4.7
2.9
1.5
1.1
3.9
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High

How winter feel compares

Compared across Spain

Donostia / San Sebastián: -1.7 °C. Typical range in Spain: -2.6–3.2 °C. Low anchor: Valladolid, -6.9 °C. High anchor: Las Palmas de Gran Canaria, 8.3 °C.

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