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Castelltersol Weather and Climate: A Comprehensive Guide

The temperature in Castelltersol can vary greatly throughout the year. The temperatures shift from warm to cold. It receives a moderate amount of precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

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 in July to a chilly 12°C in January.

Nighttime temperatures can drop, with average lows reaching 1°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Castelltersol has a moderate amount of precipitation, averaging 810 mm 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 of precipitation. This rainfall is distributed across 11 rainy days.

In contrast, the driest month, December, experiences much less rainfall, totaling 43 mm 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

Sunshine over the year

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

Data from: Barcelona, Spain (40 KM, 24 Miles).

Daily hours of sunshine

Data from: Barcelona, Spain (40 KM, 24 Miles).

Forecast for Castelltersol

Sun   Dec 22
11°C | 2°C
W 5 m/s
partly cloudy and no rain

partly cloudy and no rain

Mon   Dec 23
10°C | 1°C
NW 2 m/s
almost clear and no rain

almost clear and no rain

Tue   Dec 24
12°C | 1°C
NW 2 m/s
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit Castelltersol in Spain

During the months of May, 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 Castelltersol?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Castelltersol?
    July has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Castelltersol?
    The coldest month is January with an average maximum temperature of 12°C.
  • Which is the wettest month in Castelltersol?
    October tops the wettest month list with 100 mm of rainfall.
  • Which is the driest month in Castelltersol?
    December is the driest month with 43 mm of precipitation.
  • Which is the sunniest month in Castelltersol?
    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.