Mer Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mer.
Climate overview of Mer
Mer, Centre, France, sees big temperature differences between seasons, with August peaking at 27°C (81°F) and January dropping to 9°C (48°F).
Annual rain/snowfall is moderate at around 732 mm (29 in), with May being the wettest month. The city also has warm summers and cold winters. The most sunshine falls in July, with an average of 8.0 hours of daily sunshine.
Mer Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mer - and find the best time to visit.
Monthly Temperature in Mer
Visitors to Mer can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 27°C (81°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).
At night, temperatures range from around 15°C (59°F) in August to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mer
Generally, Mer experiences moderate precipitation patterns, averaging 732 mm (29 in) yearly. Despite minor fluctuations, Mer enjoys fairly consistent precipitation throughout the year. In May, you can expect around 73 mm (2.9 in) of precipitation, while in August, Mer receives about 53 mm (2.1 in). For more details, please visit our Mer 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 Mer
Mer can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 8.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.7 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 Mer by Month
The relative humidity is high throughout the year in Mer.
The city experiences its highest humidity in December, reaching 89%. In April, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Mer
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: June and July
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Mer
What is the best time to visit Mer?
May, June, July, August and September typically offer the most optimal weather in Mer. In contrast, January, February and December tend to have less optimal conditions. Mer has warm summers and cold winters.
What temperatures can I expect in Mer?
Daytime highs range from 9°C (48°F) in January to 27°C (81°F) in August. Nighttime lows range from 2°C (36°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Mer get?
Annual rainfall is around 732 mm (29 in). May is the wettest month with 73 mm (2.9 in), while August is the driest with 53 mm (2.1 in).
How sunny is Mer?
Mer receives around 1,794 hours of sunshine per year. July is the sunniest month with 240 hours, while December is the cloudiest with just 50 hours.
Mer 3-Day Forecast
Mer on the map
Mer is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Marseille
32°C (90°F) Toulouse
29°C (84°F) Bordeaux29°C (84°F) Lyon28°C (82°F) Cannes27°C (81°F) Nice27°C (81°F) Paris26°C (79°F) Chamonix-Mont-Blanc
18°C (64°F) 
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