Castellfullit del Boix Weather & Climate: Best Time to Visit

In Castellfullit del Boix, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 30°C (86°F) in July, the warmest time of the year, to a chilly 12°C (54°F) during cooler months like January.

At night, you can expect temperatures ranging from 18°C (64°F) in July to around 1°C (34°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, Castellfullit del Boix receives a reasonable amount of rain/snowfall, with an annual precipitation of 748 mm (29 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, September it receives moderate rainfall, averaging 98 mm (3.9 in) of precipitation, recorded across 9 rainy days. In contrast, the driest month February brings less rainfall, with 37 mm (1.5 in) over 11 rainy days. For more details, please visit our Castellfullit del Boix Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Castellfullit del Boix. While July receives considerable daily sunshine with up to 10.4 hours, December marks the darkest time of the year, where sunshine is scarce with only 4.6 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 Castellfullit del Boix.

The city experiences its highest humidity in September, reaching 74%. In July, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year