Castrillón Weather in January

The climate in Castrillón during January can be summarized as cool and damp.

January is in the winter in Castrillón and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 10°C (50°F), whilst at night 3°C (37°F) is normal.

On average January is the 2nd wettest month of the year in Castrillón with around 110mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 3.3 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Castrillón in January 2024.