Granollers Weather & Climate: Best Time to Visit
Temperatures in Granollers, Catalonia, Spain, vary greatly throughout the year. August is the hottest month at 28°C (82°F), while January is the coldest at 13°C (55°F).
Granollers sees a moderate amount of rainfall, totalling around 751 mm (30 in) per year. The most sunshine falls in July, with an average of 10.4 hours of daily sunshine.
Monthly Temperature in Granollers
The climate in Granollers is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 28°C (82°F) in August, the warmest time of the year, to a moderate 13°C (55°F) during cooler months like January.
At night, you can expect temperatures ranging from 19°C (66°F) in August to around 4°C (39°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Granollers
Generally, Granollers receives mid-range precipitation levels, with 751 mm (30 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, October it receives high rainfall, averaging 102 mm (4 in) of precipitation, recorded across 11 rainy days. In contrast, the driest month July brings less rainfall, with 43 mm (1.7 in) over 6 rainy days. For more details, please visit our Granollers Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Granollers
Seasonal changes in sunshine hours are quite dramatic in Granollers. 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
Humidity in Granollers by Month
The relative humidity is high throughout the year in Granollers.
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
Granollers 3-Day Forecast
Check the conditions for any month of the year.