Lille Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Lille.
Climate overview of Lille
The best time of year to visit Lille is from May through September. You have no guarantee during this period, but the chances of dealing with good weather are greatest during these months. Summer (June to August) offers the highest temperatures. Normally these are also the sunniest months, although some years it can happen that May is extremely sunny and ends up being the sunniest month of the year.
Lille Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lille — and find the best time to visit.
Monthly Temperature in Lille
The climate in Lille is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 14°C (57°F) in July to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Lille
Generally, Lille receives mid-range precipitation levels, with 782 mm (31 in) annually. The wettest period in Lille occurs in December, which receives around 75 mm (3 in) of precipitation. During the driest month, April, Lille experiences moderate rainfall, totaling 55 mm (2.2 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Lille 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 Lille
In Lille, summer days are longer and more sunny, with daily sunshine hours peaking at 7.1 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.7 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Lille 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 Lille
Frequently asked questions about the climate in Lille
What is the best time to visit Lille?
June, July, August and September typically offer the most optimal weather in Lille. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Lille?
Daytime highs range from 8°C (46°F) in January to 24°C (75°F) in July. Nighttime lows range from 2°C (36°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Lille get?
Annual rainfall is around 782 mm (31 in). December is the wettest month with 75 mm (3 in), while April is the driest with 55 mm (2.2 in).
How sunny is Lille?
Lille 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.
Lille 3-Day Forecast
Lille 3-Day Forecast
Lille on the map
Lille is highlighted — select any city to see its climate.
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