Grao de Castellón Weather & Climate: Best Time to Visit

The climate in Grao de Castellón is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in August to a moderate 16°C (61°F) in the coolest month, January.

Nights vary from 22°C (72°F) in August to around 7°C (45°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Grao de Castellón has a relatively dry climate with low precipitation, averaging 423 mm (17 in) of rainfall annually. The climate in Grao de Castellón shows significant variation throughout the year. Expect moderate rainfall in October, the wettest month, with an average of 55 mm (2.2 in) of precipitation over 10 rainy days.

In contrast, the driest month July offers drier and sunnier days, with around 9.7 mm (0.4 in) of rainfall over 4 rainy days. For more details, please visit our Grao de Castellón Precipitation page.

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

The average number of days each month with precipitation

For those who appreciate different seasons, Grao de Castellón serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 10.9 hours of sunshine daily, and embrace the darker days in December, offering only 5.4 hours of daily sunlight.

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 Grao de Castellón.

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