Weather in Castrillón in December

General weather information about Castrillón

Average annual temperature is 12.6 °C

Absolute maximum temperature: 33.8 °C

Absolute minimum temperature: -4.0 °C

Number of sunny days: 115 days

Number of rainy days: 250 days

Look at detailed online map of Castrillón

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

Castrillón air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.416.723.023.627.931.325.933.830.331.019.416.5
Average daytime temperature (°C)8.810.514.417.017.021.021.122.722.419.913.811.3
Average temperature (°C)6.05.310.112.013.016.917.118.217.415.810.77.6
Average night temperature (°C)3.21.26.37.59.213.213.314.613.412.18.14.4
Absolute minimum temperature (°C)-2.4-3.8-3.90.84.810.09.48.98.17.14.3-4.0

Castrillón 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)9.410.511.913.414.715.415.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)4.87.68.49.610.510.110.99.610.06.55.24.3
Precipitation (mm)3445963681131976788160194223102
Sunny days101811136667712811
Rainy days211020172524252423192220
Snow days000000000000

Castrillón - weather forecast by months

Castrillón weather in januaryCastrillón weather in februaryCastrillón weather in marchCastrillón weather in aprilCastrillón weather in mayCastrillón weather in juneCastrillón weather in julyCastrillón weather in augustCastrillón weather in septemberCastrillón weather in octoberCastrillón weather in novemberCastrillón weather in december

Best time to visit Castrillón:

The best time to visit Castrillón during the most sunny months:

  • May — 10.5(h)
  • July — 10.9(h)

Months with the longest average daylight duration in Castrillón:

  • June — 15.4(h)

The largest precipitation sum in Castrillón is at

  • January — 344(mm)
  • June — 197(mm)
  • October — 194(mm)
  • November — 223(mm)

    • Weather forecast in the closest to Castrillón admin centers

    Weather forecast in the closest towns to Castrillón

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    Frequently asked questions

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