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Grillon Weather and Climate: A Comprehensive Guide

The temperature in Grillon can vary quite a bit throughout the year. Temperatures can be very warm during the warmest months, and cold during the cooler months. It receives a reasonable amount of rain/snowfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Visitors to Grillon can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 30°C in July. In January, the coolest month of the year, temperatures drop to a chilly 10°C.

At night, you can expect cooler temperatures, with averages dropping to around 2°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Grillon experiences moderate precipitation patterns, averaging 833 mm yearly. Grillon can be quite wet during November, receiving approximately 112 mm of precipitation over 11 rainy days.

In contrast July, experiences much drier conditions, with 34 mm of rainfall, spread across 6 rainy days. For more details, please visit our Grillon Precipitation page.

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

Sunshine over the year

Grillon can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.8 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.0 hours of sunlight per day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Montélimar, France (22 KM, 14 Miles).

Daily hours of sunshine

Data from: Montélimar, France (22 KM, 14 Miles).

Forecast for Grillon

Sun   Dec 22
11°C | -1°C
NW 5 m/s
5.1 mm
broken clouds and rain

broken clouds and rain

Mon   Dec 23
8°C | 2°C
N 7 m/s
1.2 mm
overcast and rain

overcast and rain

Tue   Dec 24
8°C | 2°C
N 10 m/s
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit Grillon in France

During the months of May and September 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 Grillon?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Grillon?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Grillon?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Grillon?
    November tops the wettest month list with 112 mm of rainfall.
  • Which is the driest month in Grillon?
    July is the driest month with 34 mm of precipitation.
  • Which is the sunniest month in Grillon?
    July is the sunniest month with an average of 325 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.