Weather in Calais in August

General weather information about Calais

Average annual temperature is 14.6 °C

Absolute maximum temperature: 39.0 °C

Absolute minimum temperature: -3.3 °C

Number of sunny days: 152 days

Number of rainy days: 211 days

Number of snow days: 2 days

Look at detailed online map of Calais

* Weather data for Calais France is based on climate observations for 2026 year

Calais air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.418.324.827.729.431.333.339.036.131.019.515.0
Average daytime temperature (°C)8.712.115.417.722.227.227.528.228.022.013.410.6
Average temperature (°C)5.96.110.312.616.921.822.022.621.616.810.47.4
Average night temperature (°C)3.22.06.08.011.916.916.517.416.212.27.54.5
Absolute minimum temperature (°C)-3.2-2.1-3.31.27.715.213.411.09.28.2-1.4-3.1

Calais monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.210.411.913.514.815.515.214.012.511.09.68.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.77.27.38.111.511.312.210.910.47.35.23.5
Precipitation (mm)91221117953105438546125205101
Sunny days10201410101113141716512
Rainy days20717202119181713152519
Snow days110000000000

Calais - weather forecast by months

Calais weather in januaryCalais weather in februaryCalais weather in marchCalais weather in aprilCalais weather in mayCalais weather in juneCalais weather in julyCalais weather in augustCalais weather in septemberCalais weather in octoberCalais weather in novemberCalais weather in december

Best time to visit Calais:

The best time to visit Calais during the most sunny months:

  • May — 11.5(h)
  • June — 11.3(h)
  • July — 12.2(h)
  • August — 10.9(h)
  • September — 10.4(h)

Months with the longest average daylight duration in Calais:

  • June — 15.5(h)

The largest precipitation sum in Calais is at

  • October — 125(mm)
  • November — 205(mm)

    • Weather forecast in the closest to Calais admin centers

    Weather forecast in the closest towns to Calais

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    Frequently asked questions

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