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Castellet Weather and Climate: A Comprehensive Guide

The temperature in Castellet can vary greatly throughout the year. The temperatures shift from warm to mild. It receives a moderate amount of precipitation. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to moderate in Castellet. On average, daytime temperatures range from a comfortable 29°C in August to a moderate 14°C in January.

Nighttime temperatures can drop, with average lows reaching 5°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Castellet has a moderate amount of precipitation, averaging 650 mm of rainfall annually. The seasons in Castellet, bring significant changes in precipitation. The wettest month, September, receives moderate rainfall, with an average of 96 mm of precipitation. This rainfall is distributed across 9 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 33 mm over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Castellet Precipitation page.

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

Sunshine over the year

In Castellet, 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 (45 KM, 28 Miles).

Daily hours of sunshine

Data from: Barcelona, Spain (45 KM, 28 Miles).

Forecast for Castellet

Sun   Dec 22
16°C | 5°C
NW 8 m/s
broken clouds and no rain

broken clouds and no rain

Mon   Dec 23
14°C | 6°C
NW 5 m/s
almost clear and no rain

almost clear and no rain

Tue   Dec 24
14°C | 6°C
NW 4 m/s
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit Castellet 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 Castellet?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Castellet?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Castellet?
    The coldest month is January with an average maximum temperature of 14°C.
  • Which is the wettest month in Castellet?
    September tops the wettest month list with 96 mm of rainfall.
  • Which is the driest month in Castellet?
    July is the driest month with 33 mm of precipitation.
  • Which is the sunniest month in Castellet?
    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.