Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Grilly Weather and Climate: A Comprehensive Guide

Grilly experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It also has a relatively rain/snowy climate with high levels of precipitation. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

The climate in Grilly is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 24°C in July to a chilly 5°C in January.

Nighttime temperatures can drop, with average lows reaching -2°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Grilly has a notably wet climate with abundant precipitation, recording 1630 mm of rain/snowfall per year. The wettest period in Grilly occurs in December, which receives around 153 mm of precipitation. During the driest month, March, Grilly experiences high rainfall, totaling approximately 124 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.

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

Sunshine over the year

In Grilly, summer days are longer and more sunny, with daily sunshine hours peaking at 8.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.6 hours per average day. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Geneva, Switzerland (13 KM, 8 Miles).

Daily hours of sunshine

Data from: Geneva, Switzerland (13 KM, 8 Miles).

Forecast for Grilly

Tue   Dec 24
6°C | -1°C
NE 5 m/s
partly cloudy and no rain

partly cloudy and no rain

Wed   Dec 25
5°C | -1°C
NE 4 m/s
clear and no rain

clear and no rain

Thu   Dec 26
4°C | -3°C
NE 2 m/s
clear and no rain

clear and no rain

The best time of year to visit Grilly in France

During the months of June, July and August 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:
  • Which months have the greatest rainfall in Grilly?
    Most rainfall (rainy season) is seen in May and December.
  • Which is the warmest month in Grilly?
    July has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Grilly?
    The coldest month is January with an average maximum temperature of 5°C.
  • Which is the wettest month in Grilly?
    December tops the wettest month list with 153 mm of rainfall.
  • Which is the driest month in Grilly?
    March is the driest month with 124 mm of precipitation.
  • Which is the sunniest month in Grilly?
    July is the sunniest month with an average of 267 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.