WEATHER IN San Sebastian
Climate tables. Data for San Sebastian.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -10.0 (1985) | 6.5 | 8.6 | 11.3 | 24.0 (1894) |
| february | -12.1 (1956) | 6.4 | 8.7 | 11.9 | 25.6 (2019) |
| march | -5.5 (1971) | 8.1 | 10.6 | 14.0 | 28.0 (1947) |
| april | -0.4 (1986) | 9.4 | 11.9 | 15.6 | 30.5 (1947) |
| may | -0.2 (1928) | 12.1 | 14.7 | 18.8 | 33.2 (1996) |
| june | 0.0 (1928) | 14.8 | 17.2 | 21.0 | 38.0 (2003) |
| july | 0.0 (1928) | 16.9 | 19.1 | 22.6 | 39.0 (2019) |
| august | 0.0 (1929) | 17.5 | 19.9 | 23.6 | 38.6 (2003) |
| september | 2.5 (1936) | 15.5 | 18.0 | 21.8 | 36.3 (1966) |
| october | 0.8 (1940) | 13.2 | 15.6 | 19.1 | 30.0 (1985) |
| november | -3.4 (1988) | 9.3 | 11.5 | 14.3 | 25.6 (2015) |
| december | -8.4 (1962) | 7.4 | 9.5 | 12.1 | 22.0 (1979) |
| year | () | () |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 147 | 6 (1993) | 392 (1979) | 74 (1981) |
| february | 122 | 3 (1891) | 354 (1879) | 84 (1940) |
| march | 117 | 3 (1961) | 238 (2008) | 85 (1968) |
| april | 123 | 8 (1982) | 333 (1986) | 70 (1942) |
| may | 118 | 22 (1892) | 265 (2013) | 168 (1997) |
| june | 93 | 15 (1976) | 330 (1933) | 97 (1933) |
| july | 90 | 7 (1880) | 232 (1932) | 116 (1952) |
| august | 107 | 4 (1937) | 337 (1983) | 131 (2007) |
| september | 116 | 4 (1985) | 325 (1882) | 167 (1949) |
| october | 147 | 15 (1897) | 403 (1974) | 135 (1981) |
| november | 193 | 16 (1988) | 405 (2013) | 87 (1973) |
| december | 142 | 16 (2015) | 457 (1960) | 113 (1960) |
| year | () | () | () |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |