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Mercury Weather and Climate: A Comprehensive Guide

The temperature in Mercury can vary greatly throughout the year. The temperatures shift from warm to cold. It also has a relatively rain/snowy climate with high levels 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 chilly in Mercury. On average, daytime temperatures range from a comfortable 22°C in July to a chilly 2°C in January.

Nighttime temperatures can drop, with average lows reaching -7°C in January. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Mercury has a relatively rain/snowy climate with high precipitation levels, averaging 1660 mm of rain/snowfall annually. The wettest period in Mercury occurs in May, which receives around 168 mm of precipitation. During the driest month, October, Mercury experiences high rainfall, totaling approximately 116 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 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).

Forecast for Mercury

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

partly cloudy and no rain

Wed   Dec 25
5°C | -3°C
W 1 m/s
almost clear and no rain

almost clear and no rain

Thu   Dec 26
8°C | -4°C
E
clear and no rain

clear and no rain

The best time of year to visit Mercury in France

During the months of 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 Mercury?
    Most rainfall (rainy season) is seen in May, June and December.
  • Which is the warmest month in Mercury?
    July has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Mercury?
    The coldest month is January with an average maximum temperature of 2°C.
  • Which is the wettest month in Mercury?
    May tops the wettest month list with 168 mm of rainfall.
  • Which is the driest month in Mercury?
    October is the driest month with 116 mm of precipitation.
  • Which is the sunniest month in Mercury?
    July is the sunniest month with an average of 275 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.