Castellón de la Plana Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very warm to moderate in Castellón de la Plana. Average daytime temperatures reach a very warm 30°C (86°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 15°C (59°F).

At night, temperatures range from around 20°C (68°F) in August to 5°C (41°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Castellón de la Plana has a moderate amount of precipitation, averaging 527 mm (21 in) of rainfall annually. Castellón de la Plana can be quite wet during September, receiving approximately 62 mm (2.4 in) of precipitation over 7 rainy days.

In contrast, during the driest month (July), you will experience much drier conditions, with 18 mm (0.7 in) of precipitation spread across 4 rainy days. For more details, please visit our Castellón de la Plana Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Castellón de la Plana can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 5.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Castellón de la Plana.

The city experiences its highest humidity in October, reaching 69%. In April, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year