San Sebastian weather by month

Check out San Sebastian weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in San Sebastian (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
52°F maximum daytime temperature in January in San Sebastian52
54°F maximum daytime temperature in February in San Sebastian54
57°F maximum daytime temperature in March in San Sebastian57
59°F maximum daytime temperature in April in San Sebastian59
64°F maximum daytime temperature in May in San Sebastian64
70°F maximum daytime temperature in June in San Sebastian70
75°F maximum daytime temperature in July in San Sebastian75
75°F maximum daytime temperature in August in San Sebastian75
73°F maximum daytime temperature in September in San Sebastian73
66°F maximum daytime temperature in October in San Sebastian66
57°F maximum daytime temperature in November in San Sebastian57
54°F maximum daytime temperature in December in San Sebastian54
Min temperature (night-time)
39°F minimum night-time temperature in January in San Sebastian39
41°F minimum night-time temperature in February in San Sebastian41
43°F minimum night-time temperature in March in San Sebastian43
45°F minimum night-time temperature in April in San Sebastian45
50°F minimum night-time temperature in May in San Sebastian50
55°F minimum night-time temperature in June in San Sebastian55
59°F minimum night-time temperature in July in San Sebastian59
59°F minimum night-time temperature in August in San Sebastian59
57°F minimum night-time temperature in September in San Sebastian57
52°F minimum night-time temperature in October in San Sebastian52
45°F minimum night-time temperature in November in San Sebastian45
41°F minimum night-time temperature in December in San Sebastian41
Heat & Humidity
No heat & humidity in January in San Sebastian0
No heat & humidity in February in San Sebastian0
No heat & humidity in March in San Sebastian0
No heat & humidity in April in San Sebastian0
No heat & humidity in May in San Sebastian0
No heat & humidity in June in San Sebastian0
No heat & humidity in July in San Sebastian0
Low heat & humidity in August in San SebastianL
No heat & humidity in September in San Sebastian0
No heat & humidity in October in San Sebastian0
No heat & humidity in November in San Sebastian0
No heat & humidity in December in San Sebastian0
Sea temperature
55°F sea temperature in January in San Sebastian55
54°F sea temperature in February in San Sebastian54
54°F sea temperature in March in San Sebastian54
55°F sea temperature in April in San Sebastian55
61°F sea temperature in May in San Sebastian61
66°F sea temperature in June in San Sebastian66
70°F sea temperature in July in San Sebastian70
72°F sea temperature in August in San Sebastian72
70°F sea temperature in September in San Sebastian70
64°F sea temperature in October in San Sebastian64
61°F sea temperature in November in San Sebastian61
57°F sea temperature in December in San Sebastian57

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in San Sebastian

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in San Sebastian9
11 hours of daylight per day in February in San Sebastian11
12 hours of daylight per day in March in San Sebastian12
13 hours of daylight per day in April in San Sebastian13
15 hours of daylight per day in May in San Sebastian15
15 hours of daylight per day in June in San Sebastian15
15 hours of daylight per day in July in San Sebastian15
14 hours of daylight per day in August in San Sebastian14
12 hours of daylight per day in September in San Sebastian12
11 hours of daylight per day in October in San Sebastian11
10 hours of daylight per day in November in San Sebastian10
9 hours of daylight per day in December in San Sebastian9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in San Sebastian1
UV (maximum) index 2 (Low) in February in San Sebastian2
UV (maximum) index 4 (Moderate) in March in San Sebastian4
UV (maximum) index 6 (High) in April in San Sebastian6
UV (maximum) index 7 (High) in May in San Sebastian7
UV (maximum) index 8 (Very High) in June in San Sebastian8
UV (maximum) index 8 (Very High) in July in San Sebastian8
UV (maximum) index 7 (High) in August in San Sebastian7
UV (maximum) index 5 (Moderate) in September in San Sebastian5
UV (maximum) index 4 (Moderate) in October in San Sebastian4
UV (maximum) index 2 (Low) in November in San Sebastian2
UV (maximum) index 1 (Low) in December in San Sebastian1

Rainfall in San Sebastian

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
18 days with some rainfall in January in San Sebastian18
16 days with some rainfall in February in San Sebastian16
17 days with some rainfall in March in San Sebastian17
18 days with some rainfall in April in San Sebastian18
17 days with some rainfall in May in San Sebastian17
13 days with some rainfall in June in San Sebastian13
12 days with some rainfall in July in San Sebastian12
13 days with some rainfall in August in San Sebastian13
13 days with some rainfall in September in San Sebastian13
14 days with some rainfall in October in San Sebastian14
17 days with some rainfall in November in San Sebastian17
17 days with some rainfall in December in San Sebastian17
Average monthly rainfall (inches)
5.0 inches monthly rainfall in January in San Sebastian5.0
4.1 inches monthly rainfall in February in San Sebastian4.1
4.1 inches monthly rainfall in March in San Sebastian4.1
4.8 inches monthly rainfall in April in San Sebastian4.8
4.2 inches monthly rainfall in May in San Sebastian4.2
3.0 inches monthly rainfall in June in San Sebastian3.0
2.4 inches monthly rainfall in July in San Sebastian2.4
3.5 inches monthly rainfall in August in San Sebastian3.5
3.8 inches monthly rainfall in September in San Sebastian3.8
4.8 inches monthly rainfall in October in San Sebastian4.8
5.6 inches monthly rainfall in November in San Sebastian5.6
5.2 inches monthly rainfall in December in San Sebastian5.2

More about San Sebastian

San Sebastian by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Spain (San Sebastian) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in San Sebastian?

San Sebastian has a temperate climate with warm summers and some rainfall in all months.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: San Sebastian hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
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More about Spain

Compare San Sebastian with the USA

Below the San Sebastian chart shows average maximum daytime temperature for San Sebastian, Spain and the USA (Washington).

Maximum daytime temperature (°F)

San Sebastian, Spain
USA (Washington)
52
41
54
45
57
55
59
66
64
75
70
84
75
88
75
86
73
79
66
68
57
57
54
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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