Spring (March–May): Average 53–59°F, mild and rainy climate, suitable for strolling along the seaside or exploring the city. Common activities: Coastal walks, visiting historical sites, enjoying local cuisine. Recommended clothing: Light jacket, comfortable trousers or skirt, rain gear.
Summer (June–August): Average 64–69°F, warm climate, sunny with occasional rain. Common activities: Beach swimming, surfing, enjoying outdoor activities. Recommended clothing: Light short-sleeved clothing, swimwear, sun hat, sunscreen.
Autumn (September–November): Average 56–65°F, comfortable climate, but higher rainfall, especially in November. Common activities: Appreciating autumn scenery, enjoying autumnal cuisine, visiting museums. Recommended clothing: Comfortable long-sleeved clothing, jacket, rain gear.
Winter (December–February): Average 48–51°F, colder and humid climate, moderate rainfall. Common activities: Indoor activities, enjoying local cuisine, appreciating the winter seascape. Recommended clothing: Warm jacket, sweater, scarf, gloves.
San Sebastian climatological average
Annual average temperature: approx. 58.8°F / Annual rainfall: approx. 1633 mm / Summer humidity: 70%–80% / Rainiest month: November
San Sebastian monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
48°F
152.3
February
49.6°F
93.7
March
53.8°F
116.7
April
54.1°F
108.3
May
59°F
104
June
64.9°F
156
July
68°F
49.3
August
69.1°F
100.7
September
65.8°F
169.3
October
65.1°F
154
November
56.3°F
263.7
December
51.4°F
165
San Sebastian weather for the next seven days
10/16
Thursday
Sunny
69.7°F/51.2°F
10/17
Friday
Sunny
74.6°F/52.6°F
10/18
Saturday
Sunny
78.2°F/53.9°F
10/19
Sunday
Patchy rain nearby
71.1°F/57.8°F
10/20
Monday
Moderate rain
62.7°F/57.9°F
10/21
Tuesday
Moderate rain
66.1°F/58°F
10/22
Wednesday
Patchy rain nearby
77.1°F/58.8°F
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