Castelltersol Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to chilly in Castelltersol. On average, daytime temperatures range from a comfortable 29°C (84°F) in July to a chilly 12°C (54°F) in January.

Nighttime temperatures range from 17°C (63°F) in July to 1°C (34°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Castelltersol has a moderate amount of precipitation, averaging 810 mm (32 in) of rain/snowfall annually. The seasons in Castelltersol bring significant changes in precipitation. The wettest month, October, receives moderate rainfall, with an average of 100 mm (3.9 in) of precipitation. This rainfall is distributed across 11 rainy days.

In contrast, the driest month, December, experiences much less rainfall, totaling 43 mm (1.7 in) over 11 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Castelltersol Precipitation page.

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

The average number of days each month with precipitation

In Castelltersol, summer days are longer and more sunny, with daily sunshine hours peaking at 10.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.6 hours per average 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 Castelltersol.

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