Best year time to visit Petite-Synthe

General weather information about Petite-Synthe

Average annual temperature is 12.0 °C

Absolute maximum temperature: 31.7 °C

Absolute minimum temperature: -4.4 °C

Number of sunny days: 130 days

Number of rainy days: 235 days

Look at detailed online map of Petite-Synthe

* Weather data for Petite-Synthe France is based on climate observations for 2026 year

Petite-Synthe air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.212.616.216.322.730.828.925.631.725.815.413.1
Average daytime temperature (°C)8.49.010.311.915.322.121.520.923.017.310.99.7
Average temperature (°C)6.46.07.78.612.418.018.117.718.614.18.97.8
Average night temperature (°C)4.03.34.85.09.213.714.814.314.411.46.75.6
Absolute minimum temperature (°C)-3.3-3.4-2.1-1.44.310.712.211.510.94.3-2.1-4.4

Petite-Synthe monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.510.011.913.815.616.516.014.512.610.79.08.0
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.05.25.08.511.612.911.411.19.26.43.52.4
Precipitation (mm)10011133713040969650133165108
Sunny days81931118215817938
Rainy days2392819139262313222723
Snow days000000000000

Petite-Synthe - weather forecast by months

Petite-Synthe weather in januaryPetite-Synthe weather in februaryPetite-Synthe weather in marchPetite-Synthe weather in aprilPetite-Synthe weather in mayPetite-Synthe weather in junePetite-Synthe weather in julyPetite-Synthe weather in augustPetite-Synthe weather in septemberPetite-Synthe weather in octoberPetite-Synthe weather in novemberPetite-Synthe weather in december

Best time to visit Petite-Synthe:

The best time to visit Petite-Synthe during the most sunny months:

  • May — 11.6(h)
  • June — 12.9(h)
  • July — 11.4(h)
  • August — 11.1(h)

Months with the longest average daylight duration in Petite-Synthe:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.0(h)

The largest precipitation sum in Petite-Synthe is at

  • March — 133(mm)
  • October — 133(mm)
  • November — 165(mm)

    • Weather forecast in the closest to Petite-Synthe admin centers

    Weather forecast in the closest towns to Petite-Synthe

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    Frequently asked questions

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