Temperature
Pleasant by day, mild at night.
Warm coastal days.
Pleasant by day, mild at night.
Several rainy days. About 13 wet days, the lowest monthly average.
A mix of sunshine and cloud.
Humid air and frequent rain shape this month.
In July, afternoons feel about 74° and nights feel near 67°.
Mostly cloudy skies this month.
Calm winds are typical in July.
July late afternoons are around 74°F, easing to about 72°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 54 | 46 | 5.7 | 16 | 2.8 | 80 | 55 |
| Feb | 55 | 46 | 4.9 | 14 | 3.3 | 78 | 54 |
| Mar | 59 | 49 | 4.6 | 15 | 4.1 | 76 | 54 |
| Apr | 62 | 51 | 4.6 | 16 | 4.2 | 78 | 56 |
| May | 66 | 56 | 4.5 | 16 | 5.4 | 80 | 59 |
| Jun | 72 | 61 | 3.9 | 13 | 6.1 | 82 | 65 |
| Jul | 75 | 64 | 3.1 | 13 | 6.3 | 82 | 69 |
| Aug | 76 | 65 | 3.6 | 13 | 5.9 | 82 | 71 |
| Sep | 73 | 62 | 3.8 | 13 | 5.4 | 80 | 69 |
| Oct | 68 | 58 | 4.8 | 13 | 4.3 | 79 | 65 |
| Nov | 60 | 51 | 7.3 | 17 | 3.4 | 80 | 60 |
| Dec | 55 | 47 | 5.5 | 15 | 2.7 | 80 | 57 |
Similar climates
Want a side-by-side climate view? Compare San Sebastian with Capri.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology