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When to go · Lille

Lille in August

Mixed month. Outside the best window (May–Jun, Sep–Oct). Across France: Peak French holiday: coasts and Alps packed, small Paris restaurants closed, motorway jams on Saturdays (the grands départs).

Key facts

Verdict
Mixed
Temperature
24°C (75°F) / 14°C (57°F)
average high / low
Rain days
10
Crowds
High
France overall
Prices
High
France overall

Verdict

MixedFrance month rating

Outside the best window (May–Jun, Sep–Oct). Across France: Peak French holiday: coasts and Alps packed, small Paris restaurants closed, motorway jams on Saturdays (the grands départs).

Is another month better than August?

August is rated mixed. These months rate higher:

Weather in August

Long-term averages
  • LilleHighs around 23.7 °C (75 °F), lows around 14 °C (57 °F), rain on about 10 days
  • Paris and the north, France · Paris, Lille, Champagne, Normandy inlandhot

    Grey, damp winters; late spring and September are the sweet spot. Paris heatwaves hit 35–40 °C (95–104 °F) in July–August and most flats and small hotels lack air conditioning.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Assumption big impact

    15 Aug · France

    Peak of the August holiday: coasts full, motorways jammed, many small businesses shut.

Crowds and prices

Crowds · France overall
High
Prices · France overall
High

France overall: Peak French holiday: coasts and Alps packed, small Paris restaurants closed, motorway jams on Saturdays (the grands départs).

High-price month: see what to book ahead.

Compare two months

Weather, crowds and prices for any two months in Lille, side by side.

  • Verdict

    Aug: Mixed

    May: Great (better)

  • Daytime high

    Aug: 23.7 °C (75 °F)

    May: 18.4 °C (65 °F)

  • Night low

    Aug: 14 °C (57 °F)

    May: 9.3 °C (49 °F)

  • Rain days

    Aug: 10 (better)

    May: 11

  • Crowds

    Aug: High

    May: Medium

  • Prices

    Aug: High

    May: Medium

  • Festivals listed

    Aug: 1

    May: 1

August: Outside the best window (May–Jun, Sep–Oct). Across France: Peak French holiday: coasts and Alps packed, small Paris restaurants closed, motorway jams on Saturdays (the grands départs).

May: Inside Lille's best window: May–Jun, Sep–Oct.

Lille: figures are long-term averages from this guide, not a forecast.

What to pack

  • A rain jacket or umbrella and shoes that dry fast
  • Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Across France in August →