Merris Weather & Climate: Best Time to Visit

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.

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

Data from: Lille, France (29 KM, 18 Miles).

Daily hours of sunshine

Data from: Lille, France (29 KM, 18 Miles).

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

Data from: Lille, France (29 KM, 18 Miles).

Merris 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Merris

Merris's weather is most enjoyable during May, June, July, August and September, with comfortable temperatures from 19°C (65°F) to 24°C (74°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 59 mm (2.3 in) and 73 mm (2.9 in), providing a good balance of sunny and rainy days.

Ready to plan your travels but need destination ideas? Our smart tool recommends places based on the climate conditions you prefer. Start planning with our destination weather tool.