Lille weather by month

The best time to visit Lille is June to August — 94/100 in July, 25°C and 7 rainy days. The best season is summer, June to August (92/100 on average).

The worst month is January at 51/100 — cold, a little rain, clean air. See January →

Updated September 2026 · climate normals from ERA5 reanalysis

Planning the wider trip? Best time to visit France →

Lille🇫🇷 France · Western Europe · City94
  1. 51Jan
  2. 61Feb
  3. 69Mar
  4. 80Apr
  5. 84May
  6. 92Jun
  7. 94Jul
  8. 91Aug
  9. 86Sep
  10. 73Oct
  11. 59Nov
  12. 54Dec

Best season: June to August (92/100 on average) · worst January (51/100)

Days
25°C
Nights
15°C
Wet days
7
Sun
11.5 h
Humidity
70%
Daylight
16 h
Lille, France
Photo: Jean De Roy · Pexels

Lille, month by month

Comfort score out of 100 for the kind of trip Lille is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.

MonthScoreTierHighRainSunCrowdsOn
Jan51D7°C12 d4 hPeak1
Feb61C9°C10 d5 hPeak1
Mar69C12°C10 d7 hPeak2
Apr80A16°C9 d10 hPeak2
May84A20°C9 d11 hBusy—
Jun92S24°C8 d11 hBusy1
Jul94S25°C7 d12 hPeak1
Aug91S25°C9 d11 hPeak1
Sep86A21°C9 d9 hBusy2
Oct73B17°C11 d6 hBusy1
Nov59D11°C14 d4 hPeak2
Dec54D9°C12 d3 hPeak1

What's on in Lille through the year

Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.

January
  • Dunkirk Carnival5 Jan – 15 Apr (usually)Festival
March
  • Series Mania12–31 Mar (usually)Festival
April
  • Paris-Roubaix finish5–20 Apr (usually)Festival
June
  • Lille Piano(s) Festival12–14 JunFestival
July
  • Bastille Day (14 juillet)13–14 JulHoliday
August
  • Braderie de Lille28 Aug – 8 Sep (usually)Festival
September
  • The lull before the market15 Sep – 15 NovSeason
November
  • Christmas market and big wheel20 Nov – 30 DecFestival

Everything on in Lille through the year →

Crowds in Lille in July

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsBastille Day (14 juillet), Summer holidays in France, school holidays in 6 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Traveller notes on Lille

What people who have been say about the place — the year-round notes first, then month by month.

Forum posters cite February temperatures in Lille ranging from highs around 15C down to lows near -6C, and consistently recommend gloves, a scarf, hat, a decent jumper, a warm jacket and extra socks for a winter visit. Posters describe Lille as one of the colder French cities in winter, with limited outdoor appeal this time of year, though posters note the city's indoor cultural life - museums, restaurants, cafes - stays lively and helps compensate for the weather. Posters generally rate February as a workable time to visit provided expectations are set around indoor activities and proper cold-weather layering rather than mild outdoor days. Posters generally recommend Lille as a solid winter city-break destination despite, rather than because of, its February weather.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗
Forum posters note that August is one of the hottest months across France generally, and while Lille runs cooler than the south given its northern location, warm, sunny stretches are still typical this time of year. Posters recommend the Citadel park for its abundant shade on a hot afternoon, and point to the Musee d'Art Moderne and Palais des Beaux-Arts as solid air-conditioned indoor options if the heat gets uncomfortable. The Vieille Bourse's regular book market and an open-air tour bus (with French/English commentary) are named as good ways to see the city's Flemish-influenced architecture without overexerting in the heat - overall reviews describe pleasant August visits with the city's parks and canals as a nice place to cool off and stroll.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Lille's card on the map.