San Martín del Castañar Weather & Climate: Best Time to Visit

In San Martín del Castañar, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 30°C (86°F) in July to a chilly 10°C (50°F) in January.

Nighttime temperatures range from 16°C (61°F) in July to 2°C (36°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

On average, San Martín del Castañar receives a reasonable amount of rain/snowfall, with an annual precipitation of 716 mm (28 in). The seasons in San Martín del Castañar bring significant changes in precipitation. The wettest month, October, receives high rainfall, with an average of 104 mm (4.1 in) of precipitation. This rainfall is distributed across 12 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 11 mm (0.4 in) over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our San Martín del Castañar Precipitation page.

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

The average number of days each month with precipitation

In San Martín del Castañar, summer days are longer and more sunny, with daily sunshine hours peaking at 12.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.9 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 San Martín del Castañar.

The city experiences its highest humidity in December, reaching 83%. In July, the humidity drops to its lowest level at 47%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year