Average data for 10 years
1 April
Monday
+12°
+9°
2 April
Tuesday
+12°
+9°
3 April
Wednesday
+11°
+9°
4 April
Thursday
+12°
+9°
5 April
Friday
+14°
+10°
6 April
Saturday
+13°
+10°
7 April
Sunday
+13°
+10°
8 April
Monday
+15°
+11°
9 April
Tuesday
+15°
+11°
10 April
Wednesday
+13°
+11°
11 April
Thursday
+13°
+9°
12 April
Friday
+14°
+10°
13 April
Saturday
+15°
+11°
14 April
Sunday
+14°
+11°
15 April
Monday
+14°
+11°
16 April
Tuesday
+16°
+11°
17 April
Wednesday
+14°
+11°
18 April
Thursday
+13°
+10°
19 April
Friday
+13°
+10°
20 April
Saturday
+15°
+11°
21 April
Sunday
+14°
+12°
22 April
Monday
+14°
+11°
23 April
Tuesday
+16°
+12°
24 April
Wednesday
+13°
+12°
25 April
Thursday
+13°
+11°
26 April
Friday
+13°
+11°
27 April
Saturday
+13°
+11°
28 April
Sunday
+13°
+10°
29 April
Monday
+14°
+10°
30 April
Tuesday
+13°
+10°
In April, the weather in San Sebastian is typically warm. Average daily high temperature in April is about 14 degrees above zero. On average, San Sebastian has 15 rainy, 8 sunny, 6 partly cloudy, and 1 cloudy day in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit San Sebastian.