Bellaterra Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bellaterra.
Climate overview of Bellaterra
The climate in Bellaterra, Catalonia, Spain, is marked by large temperature swings across the seasons, ranging from 29°C (84°F) in August to 14°C (57°F) in January.
Annual rainfall is moderate at around 669 mm (26 in), with October being the wettest month. The city also has warm summers and mild winters. The sunniest month is July, with 10.4 hours of sunshine per day on average.
Bellaterra Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bellaterra - and find the best time to visit.
Monthly Temperature in Bellaterra
In Bellaterra, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 29°C (84°F) in August. In January, the coolest month of the year, temperatures drop to a moderate 14°C (57°F).
At night, temperatures range from around 20°C (68°F) in August to 4°C (39°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bellaterra
On average, Bellaterra receives a reasonable amount of rainfall, with an annual precipitation of 669 mm (26 in). Bellaterra can be quite wet during October, receiving approximately 95 mm (3.7 in) of precipitation over 11 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 35 mm (1.4 in) of precipitation spread across 6 rainy days. For more details, please visit our Bellaterra Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Bellaterra
Bellaterra can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, 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
Water Temperature in Bellaterra
The mean water temperature over the year ranges from 13°C (55°F) in January to 24°C (75°F) in August.
Water temperature over the year
Humidity in Bellaterra by Month
The relative humidity is high throughout the year in Bellaterra.
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
Wind Speed in Bellaterra
The mean wind speed varies between 2 m/s (4 knots) and 4 m/s (8 knots) throughout the year. It is lowest in September and October and highest during March. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Bellaterra
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August, September and October
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July
- Best for swimming: June, July, August, September and October.
- Seasonal pattern: Warm summers and mild winters
Frequently asked questions about the climate in Bellaterra
What is the best time to visit Bellaterra?
May, June, July, August, September and October typically offer the most optimal weather in Bellaterra. In contrast, January, February, March, November and December tend to have less optimal conditions. Bellaterra has warm summers and mild winters.
What temperatures can I expect in Bellaterra?
Daytime highs range from 14°C (57°F) in January to 29°C (84°F) in August. Nighttime lows range from 4°C (39°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Bellaterra get?
Annual rainfall is around 669 mm (26 in). October is the wettest month with 95 mm (3.7 in), while July is the driest with 35 mm (1.4 in).
How sunny is Bellaterra?
Bellaterra receives around 2,510 hours of sunshine per year. July is the sunniest month with 311 hours, while December is the cloudiest with just 137 hours. Overall, Bellaterra enjoys abundant sunshine.
Bellaterra 3-Day Forecast
Bellaterra 3-Day Forecast
Bellaterra on the map
Bellaterra is highlighted - select any city to see its climate.
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