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A good place. At the right time.

Best time to visitLille & the north coast.

Plan your visit

Find your month.

Temperature unit for this guide
What matters most?

Start with July.

#1 of 12 · Balanced · 6.6/10

Overnight stays are 89% of the busiest month.

Based on Nord-Pas de Calais regional averages.

Afternoon high
75°F
Sea temperature
63°F
Crowds
Peak

The sea averages 63°F (17°C). Cold: short dips, or a wetsuit. Warm air does not always mean warm water.

The ranked Overall uses Lille & the north coast's beach weather model. It does not rank the best months for sightseeing in Lille; each month guide shows that separate weather rating.

Historical averages, not forecasts or live prices.

Illustration of Cobbled streets and Flemish facades in Vieux-Lille
Old Lille streets and Flemish facades

A regional guide. Figures cover Nord-Pas de Calais, including Lille. Conditions vary within the region.

The whole calendar

Already have dates?

Explore your month, then weigh up the trade-offs.

Choose your month
Average afternoon highsTop 3 matches · Balanced priorities

July at a glance

Balanced match #1 · 6.6/10

Overnight stays are 89% of the busiest month.

The sea averages 63°F (17°C). Cold: short dips, or a wetsuit. Warm air does not always mean warm water.

Read the July guide
Afternoon high
75°F
Night low
55°F
Sea temperature
63°F
Rain days
9
Daylight
16h 03m
Crowds
Peak

All 12 months, on the same measures. Tap a heading to sort or a month to open its guide.Select a month to open its guide. Scroll the table for more detail.

Lille & the north coast · all 12 months
RankMonthOverallWeatherCrowdsCostHighLowSeaRain daysDaylight
#1July 6.6 7.8/10 Very good PeakPricey 75°F55°F 63°F916h 03m
#2September 6.5 6.8/10 Good BusyPricey 70°F52°F 64°F812h 43m
#3August 6.4 7.9/10 Very good PeakModerate 75°F56°F 65°F1014h 35m
#4June 6.4 7.0/10 Very good BusyPricey 72°F52°F 58°F816h 25m
#5May 5.9 5.7/10 Good BusyPricey 66°F46°F 53°F915h 26m
#6April 5.6 4.4/10 Fair BusyPricey 60°F40°F 49°F713h 44m
#7October 5.4 4.1/10 Fair ModeratePricey 62°F48°F 61°F1210h 50m
#8March 4.4 2.4/10 Poor ModeratePricey 54°F37°F 47°F1011h 47m
#9November 3.4 1.4/10 Poor ModeratePricey 53°F41°F 57°F129h 03m
#10January 3.0 1.0/10 Poor ModerateModerate 46°F35°F 49°F138h 27m
#11February 3.0 1.0/10 Poor ModerateModerate 48°F35°F 47°F1010h 02m
#12December 3.0 1.0/10 Poor ModeratePricey 48°F38°F 52°F148h 03m

Overall follows your priorities. Crowds compare each month with this place's own year. Highs, lows and rain days are historical averages for 2011–2025.

A little perspective

The shape of the year.

Temperature unit for this page
Afternoon highNight low

Top balanced match · July

Historical monthly averages. Gaps mean data is unavailable. The comparison table above lists all months in text. The dotted vertical line marks the selected month.Temperature · °F30°45°60°75°90°January: 46°F afternoon highFebruary: 48°F afternoon highMarch: 54°F afternoon highApril: 60°F afternoon highMay: 66°F afternoon highJune: 72°F afternoon highJuly: 75°F afternoon highAugust: 75°F afternoon highSeptember: 70°F afternoon highOctober: 62°F afternoon highNovember: 53°F afternoon highDecember: 48°F afternoon highJanuary: 35°F night lowFebruary: 35°F night lowMarch: 37°F night lowApril: 40°F night lowMay: 46°F night lowJune: 52°F night lowJuly: 55°F night lowAugust: 56°F night lowSeptember: 52°F night lowOctober: 48°F night lowNovember: 41°F night lowDecember: 38°F night lowRain days150January: 13 rain days13February: 10 rain days10March: 10 rain days10April: 7 rain days7May: 9 rain days9June: 8 rain days8July: 9 rain days9August: 10 rain days10September: 8 rain days8October: 12 rain days12November: 12 rain days12December: 14 rain days14Crowds · stronger shading means busierJanuary: ModerateJanFebruary: ModerateFebMarch: ModerateMarApril: BusyAprMay: BusyMayJune: BusyJunJuly: PeakJulAugust: PeakAugSeptember: BusySepOctober: ModerateOctNovember: ModerateNovDecember: ModerateDec Historical monthly averages. Gaps mean data is unavailable. The comparison table above lists all months in text. The dotted vertical line marks the selected month.Temperature · °F30°45°60°75°90°January: 46°F afternoon highFebruary: 48°F afternoon highMarch: 54°F afternoon highApril: 60°F afternoon highMay: 66°F afternoon highJune: 72°F afternoon highJuly: 75°F afternoon highAugust: 75°F afternoon highSeptember: 70°F afternoon highOctober: 62°F afternoon highNovember: 53°F afternoon highDecember: 48°F afternoon highJanuary: 35°F night lowFebruary: 35°F night lowMarch: 37°F night lowApril: 40°F night lowMay: 46°F night lowJune: 52°F night lowJuly: 55°F night lowAugust: 56°F night lowSeptember: 52°F night lowOctober: 48°F night lowNovember: 41°F night lowDecember: 38°F night lowRain days150January: 13 rain days13February: 10 rain days10March: 10 rain days10April: 7 rain days7May: 9 rain days9June: 8 rain days8July: 9 rain days9August: 10 rain days10September: 8 rain days8October: 12 rain days12November: 12 rain days12December: 14 rain days14Crowds · stronger shading means busierJanuary: ModerateJanFebruary: ModerateMarch: ModerateApril: BusyMay: BusyMayJune: BusyJuly: PeakAugust: PeakSeptember: BusySepOctober: ModerateNovember: ModerateDecember: ModerateDec
Explore a month

July

High
75°F
Low
55°F
Rain
9 days
Crowds
Peak

Nord-Pas de Calais regional averages · Historical patterns, not a forecast. Gaps mean no data. Crowds compare months within this region.

The busiest month records 2.8 times the overnight stays of the quietest.

Very-good-or-better weather scores: June to August. Poor weather scores: November to March.

Peak-season months: July to August. No month falls in low season.

The two busiest months account for 26% of annual overnight stays.

On the 2024 EU comparison, France's restaurants and hotels are above EU average.

Before you go

Pack a little context.

Fewer crowds

January is quietest.

January, at 36% of the busiest month (August).

Good weather

October, outside the busy season.

Very good or better June to August. August has the highest displayed weather score (7.9/10). Highest weather score outside the busy season: October.

Lower prices

January to March.

These are three lower-price months on France's historical 2024–2025 national hotel index. It cannot identify this region's cheapest bookable rooms.

School holidays

Summer break meets the busy season.

If your dates follow US school breaks: June falls in busy season; July and August fall in peak season. Spring break spans moderate season in March and busy season in April.

Local families travel too: at least 30% of people in France live where schools are out on a typical day February, April, October and December. France's school calendar for May to September isn't fully published yet. (School holidays: OpenHolidays, ODbL.)

About these answers

These are historical seasonal patterns. Crowds compare a month with this place's own busiest month; they do not measure queues at individual sights. Weather answers use the displayed weather scores. These seasonal facts stay the same when you change your priorities; your Overall recommendation updates above. Prices retain the scope stated beside them. Full methodology.

Choose your season

The year, season by season.

Winter

Dec–Feb

Moderate visitor levels throughout.

46–48°FAfternoon highs

Spring

Mar–May

A quieter start, a busier finish.

March falls in moderate season; April and May fall in busy season.

54–66°FAfternoon highs

Summer

Jun–Aug

A busy season for visitors.

June falls in busy season; July and August fall in peak season.

72–75°FAfternoon highs

Autumn

Sep–Nov

A busier start, a quieter finish.

September falls in busy season; October and November fall in moderate season.

53–70°FAfternoon highs

Ranges span monthly average afternoon highs, not daily extremes. Conditions and seasonal openings vary within Lille & the north coast.

How we know

The default Balanced Overall weighs weather 50%, crowds 30% and cost 20%. Your priority choice updates the Overall, month ranks and recommendation. While your weather weight is at least 40%, Overall cannot exceed weather by more than 2. Close scores can describe different trip experiences. How the scores work.

Statistical regionFRE1 · Nord-Pas de Calais
Region typeBeach (Eurostat NUTS3 typologies weighted by population: urban 64%, coastal 100%, mountain 0%; median ground height 57 m)
Population used4.1 million (1 January 2025)
Crowd reference years2024–2025 average
How our weather was checked25 open weather stations in this region, January and July: afternoon highs typically within 1°F (0.3°C), night lows within 1°F (0.8°C).
Climate indexHCI:Beach, observed climatology over 15 years (2011–2025)
Hotel occupancy (annual)61%
Accommodation mix68% hotels, 17% camping
Country price level (restaurants & hotels, EU27 = 100)110
Daylight latitude50.47° N

Crowds: Eurostat nights spent at tourist accommodation establishments by month and NUTS 2 region, per 1,000 inhabitants, divided by days in the month. "Season here" is the month's figure as a share of this region's busiest month. "Visitors" ranks overnight visitors per resident against all Europe's regions that month. Weather: Holiday Climate Index (Scott et al. 2016; Rutty et al. 2020) computed from ERA5 reanalysis with daily highs, night lows and rain days corrected from open national weather-service station records and population-weighted to the region. Prices are national. Hand-written notes are marked and nothing depends on them. Full method · this region's data.