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Bellaterra Weather and Climate: A Comprehensive Guide

The climate in Bellaterra is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to mild in the cooler months. It receives a reasonable amount of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

In Bellaterra, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 29°C in August. In January, the coolest month of the year, temperatures drop to a moderate 14°C.

At night, you can expect cooler temperatures, with averages dropping to around 4°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

On average, Bellaterra receives a reasonable amount of rainfall, with an annual precipitation of 669 mm. Bellaterra can be quite wet during October, receiving approximately 95 mm of precipitation over 11 rainy days.

In contrast July, experiences much drier conditions, with 35 mm of rainfall, 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

Sunshine over the year

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

Data from: Barcelona, Spain (13 KM, 8 Miles).

Daily hours of sunshine

Data from: Barcelona, Spain (13 KM, 8 Miles).

Average water temperature

The mean water temperature over the year ranges from 13°C in January to 24°C in August.

Water temperature over the year

Data from: Barcelona, Spain (13 KM, 8 Miles).

Average wind speed

The mean wind speed varies between 2 m/s and 2 m/s throughout the year. It is lowest in January, February, March, April, May, June, July, August, September, October, November and December and highest during January, February, March, April, May, June, July, August, September, October, November and December.

The mean monthly wind speed over the year (meters per second)

Data from: Barcelona, Spain (13 KM, 8 Miles).

Forecast for Bellaterra

Sun   Dec 22
15°C | 4°C
W 4 m/s
partly cloudy and no rain

partly cloudy and no rain

Mon   Dec 23
13°C | 4°C
SW 3 m/s
almost clear and no rain

almost clear and no rain

Tue   Dec 24
12°C | 3°C
SE 2 m/s
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit Bellaterra in Spain

During the months of May, June, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Bellaterra?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Bellaterra?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Bellaterra?
    The coldest month is January with an average maximum temperature of 14°C.
  • Which is the wettest month in Bellaterra?
    October tops the wettest month list with 95 mm of rainfall.
  • Which is the driest month in Bellaterra?
    July is the driest month with 35 mm of precipitation.
  • Which is the sunniest month in Bellaterra?
    July is the sunniest month with an average of 311 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.