Best year time to visit Boulogne-Billancourt

General weather information about Boulogne-Billancourt

Average annual temperature is 13.1 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -5.0 °C

Number of sunny days: 138 days

Number of rainy days: 225 days

Number of snow days: 2 days

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* Weather data for Boulogne-Billancourt France is based on climate observations for 2026 year

Boulogne-Billancourt air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.514.719.521.025.531.432.731.033.927.217.214.2
Average daytime temperature (°C)8.29.712.314.119.326.525.223.925.119.111.89.8
Average temperature (°C)6.05.78.89.814.621.020.519.619.814.69.07.5
Average night temperature (°C)3.62.35.25.59.915.215.615.314.710.56.55.4
Absolute minimum temperature (°C)-3.3-5.0-2.3-0.45.89.711.911.38.04.2-0.4-3.3

Boulogne-Billancourt monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.810.211.913.715.316.115.714.312.610.89.28.3
Daylight minimum duration (h)8.09.011.012.014.015.015.013.011.09.08.08.0
Sunshine mean duration (h)2.74.96.27.911.412.710.810.09.56.84.62.4
Precipitation (mm)657857979581001267010910682
Sunny days922681616961812610
Rainy days21625221514222512192420
Snow days100000000001

Boulogne-Billancourt - weather forecast by months

Boulogne-Billancourt weather in januaryBoulogne-Billancourt weather in februaryBoulogne-Billancourt weather in marchBoulogne-Billancourt weather in aprilBoulogne-Billancourt weather in mayBoulogne-Billancourt weather in juneBoulogne-Billancourt weather in julyBoulogne-Billancourt weather in augustBoulogne-Billancourt weather in septemberBoulogne-Billancourt weather in octoberBoulogne-Billancourt weather in novemberBoulogne-Billancourt weather in december

Best time to visit Boulogne-Billancourt:

The best time to visit Boulogne-Billancourt during the most sunny months:

  • May — 11.4(h)
  • June — 12.7(h)
  • July — 10.8(h)
  • August — 10.0(h)
  • September — 9.5(h)

Months with the longest average daylight duration in Boulogne-Billancourt:

  • June — 16.1(h)
  • July — 15.7(h)

The largest precipitation sum in Boulogne-Billancourt is at

  • August — 126(mm)
  • October — 109(mm)
  • November — 106(mm)

    • Weather forecast in the closest to Boulogne-Billancourt admin centers

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    Frequently asked questions

    When is the best time to visit Boulogne-Billancourt?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Boulogne-Billancourt.
    What is the weather like in Boulogne-Billancourt?
    See average temperature, rainfall and daylight hours for Boulogne-Billancourt by month in the table above.
    How many sunny days does Boulogne-Billancourt have?
    The monthly weather statistics above show sunshine and rainfall patterns for Boulogne-Billancourt throughout the year.