Best year time to visit San Sebastián

General weather information about San Sebastián

Average annual temperature is 12.9 °C

Absolute maximum temperature: 37.4 °C

Absolute minimum temperature: -5.9 °C

Number of sunny days: 111 days

Number of rainy days: 249 days

Number of snow days: 5 days

Look at detailed online map of San Sebastián

* Weather data for San Sebastián Spain is based on climate observations for 2026 year

San Sebastián air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)16.320.524.023.028.728.930.337.429.531.721.417.4
Average daytime temperature (°C)9.010.515.216.616.821.420.822.623.521.415.012.2
Average temperature (°C)5.65.310.611.813.117.817.518.718.416.511.38.1
Average night temperature (°C)2.50.95.77.29.013.914.214.914.012.38.24.5
Absolute minimum temperature (°C)-5.9-5.0-3.70.65.010.211.610.38.75.72.50.6

San Sebastián monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.315.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.66.88.79.310.110.18.89.39.86.65.15.8
Precipitation (mm)305833266187190998410714517496
Sunny days815131053491112714
Rainy days221116202627272219192317
Snow days122000000000

Best time to visit San Sebastián:

The best time to visit San Sebastián during the most sunny months:

  • May — 10.1(h)
  • June — 10.1(h)

Months with the longest average daylight duration in San Sebastián:

  • June — 15.3(h)

The largest precipitation sum in San Sebastián is at

  • January — 305(mm)
  • May — 187(mm)
  • June — 190(mm)
  • November — 174(mm)
  • Frequently asked questions

    When is the best time to visit San Sebastián?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit San Sebastián.
    What is the weather like in San Sebastián?
    See average temperature, rainfall and daylight hours for San Sebastián by month in the table above.
    How many sunny days does San Sebastián have?
    The monthly weather statistics above show sunshine and rainfall patterns for San Sebastián throughout the year.