Merris Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Merris.
Climate overview of Merris
Temperatures in Merris, Nord-Pas-de-Calais, France, vary greatly throughout the year. August is the hottest month at 24°C (75°F), while January is the coldest at 8°C (46°F).
With around 766 mm (30 in) of annual rain/snowfall, the city has moderate precipitation levels. December is the wettest month and March the driest. July is the sunniest month, averaging 7.1 hours of sunshine per day.
Merris Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Merris — and find the best time to visit.
Monthly Temperature in Merris
The climate in Merris is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 24°C (75°F) in August to a chilly 8°C (46°F) in the coolest month, January.
Nights vary from 14°C (57°F) in August to around 2°C (36°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Merris
Generally, Merris receives mid-range precipitation levels, with 766 mm (30 in) annually. Precipitation levels in Merris remain relatively steady throughout the year. December has the most rain, with 75 mm (3 in) over 19 days. In the driest month March, this drops slightly to 54 mm (2.1 in), making the city's climate fairly predictable. For more details, please visit our Merris 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 Merris
For those who appreciate different seasons, Merris serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.1 hours of sunshine daily, and embrace the darker days in December, offering only 1.7 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Merris by Month
The city experiences its highest humidity in December, reaching 90%. In May, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Merris
Frequently asked questions about the climate in Merris
What is the best time to visit Merris?
June, July, August and September typically offer the most optimal weather in Merris. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Merris?
Daytime highs range from 8°C (46°F) in January to 24°C (75°F) in August. Nighttime lows range from 2°C (36°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Merris get?
Annual rainfall is around 766 mm (30 in). December is the wettest month with 75 mm (3 in), while March is the driest with 54 mm (2.1 in).
How sunny is Merris?
Merris receives around 1,631 hours of sunshine per year. July is the sunniest month with 213 hours, while December is the cloudiest with just 51 hours.
Merris 3-Day Forecast
Merris 3-Day Forecast
Merris on the map
Merris is highlighted — select any city to see its climate.
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