Grenay Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grenay.
Climate overview of Grenay
Grenay, Rhône-Alps, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in July, while winters cool to 8°C (46°F) in January.
Rain/snowfall is high, totalling around 1032 mm (41 in) per year. November is the wettest month and March the driest. Sunshine peaks in July, when the city sees around 9.5 hours of sunshine per day.
Grenay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grenay — and find the best time to visit.
Monthly Temperature in Grenay
Depending on the time of the year, temperatures range from comfortable to chilly in Grenay. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a chilly 8°C (46°F) during cooler months like January.
At night, you can expect temperatures ranging from 17°C (63°F) in July to around 1°C (34°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grenay
Grenay has a relatively rain/snowy climate with high precipitation levels, averaging 1032 mm (41 in) of rain/snowfall annually. Year-round, Grenay has a balanced climate with minimal variation in precipitation. The difference between the wettest month, November, with 110 mm (4.3 in), and the driest month, March, with 70 mm (2.8 in), is minimal. For more details, please visit our Grenay Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Grenay
Seasonal changes in sunshine hours are quite dramatic in Grenay. While July receives considerable daily sunshine with up to 9.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Grenay by Month
The relative humidity is high throughout the year in Grenay.
The city experiences its highest humidity in December, reaching 86%. In July, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Grenay
Rainfall during this time ranges from 72 mm (2.8 in) in August to 102 mm (4 in) in October. This means you can expect a mix of sunny days and occasional showers. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Grenay
What is the best time to visit Grenay?
May, June, July, August and September typically offer the most optimal weather in Grenay. In contrast, January, February, November and December tend to have less optimal conditions.
What temperatures can I expect in Grenay?
Daytime highs range from 8°C (46°F) in January to 29°C (84°F) in July. Nighttime lows range from 1°C (34°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Grenay get?
Annual rainfall is around 1032 mm (41 in). November is the wettest month with 110 mm (4.3 in), while March is the driest with 70 mm (2.8 in).
How sunny is Grenay?
Grenay receives around 2,003 hours of sunshine per year. July is the sunniest month with 285 hours, while December is the cloudiest with just 54 hours. Overall, Grenay enjoys abundant sunshine.
Grenay 3-Day Forecast
Grenay 3-Day Forecast
Grenay on the map
Grenay is highlighted — select any city to see its climate.
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