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Mercury Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mercury.
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Climate overview of Mercury
Mercury, Rhône-Alps, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 22°C (72°F) in July, while winters cool to 2°C (36°F) in January.
The city has a wet climate, receiving around 1660 mm (65 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and cold winters. May is the wettest month. July is the sunniest month, averaging 9.2 hours of sunshine per day.
Mercury Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mercury - and find the best time to visit.
Monthly Temperature in Mercury
Depending on the time of the year, temperatures range from comfortable to chilly in Mercury. On average, daytime temperatures range from a comfortable 22°C (72°F) in July to a chilly 2°C (36°F) in January.
Nighttime temperatures range from 11°C (52°F) in July to -7°C (19°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mercury
Mercury has a relatively rain/snowy climate with high precipitation levels, averaging 1660 mm (65 in) of rain/snowfall annually. The wettest period in Mercury occurs in May, which receives around 168 mm (6.6 in) of precipitation. During the driest month, October, Mercury experiences high rainfall, totaling 116 mm (4.6 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Mercury 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 Mercury
In Mercury, summer days are longer and more sunny, with daily sunshine hours peaking at 9.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.2 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Annecy, France (29 KM, 18 Miles).
Daily hours of sunshine
Data from: Annecy, France (29 KM, 18 Miles).
Best Time to Visit Mercury
The most comfortable overall weather for exploring Mercury is usually found in June, July and August. Conditions are generally least comfortable in January, February, March, April, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
wet
Apr
wet
May
mixed
Jun
very good
Jul
very good
Aug
very good
Sep
good
Oct
mixed
Nov
wet
Dec
cold
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: July
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -7°C (19°F).
Frequently asked questions about the climate in Mercury
What is the best time to visit Mercury?
June, July and August typically offer the most optimal weather in Mercury. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Mercury has warm summers and cold winters.
What temperatures can I expect in Mercury?
Daytime highs range from 2°C (36°F) in January to 22°C (72°F) in July. Nighttime lows range from -7°C (19°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Mercury get?
Annual rainfall is around 1660 mm (65 in). May is the wettest month with 168 mm (6.6 in), while October is the driest with 116 mm (4.6 in).
How sunny is Mercury?
Mercury receives around 2,063 hours of sunshine per year. July is the sunniest month with 275 hours, while December is the cloudiest with just 67 hours. Overall, Mercury enjoys abundant sunshine.
Mercury 3-Day Forecast
Mercury on the map
Mercury is highlighted - select any city to see its climate.
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