Best year time to visit Seine-Maritime

General weather information about Seine-Maritime

Average annual temperature is 11.9 °C

Absolute maximum temperature: 31.1 °C

Absolute minimum temperature: -4.1 °C

Number of sunny days: 117 days

Number of rainy days: 246 days

Number of snow days: 2 days

Look at detailed online map of Seine-Maritime

* Weather data for Seine-Maritime France is based on climate observations for 2026 year

Seine-Maritime air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.312.218.316.722.431.127.727.730.525.715.213.0
Average daytime temperature (°C)7.88.710.812.316.723.721.521.323.017.310.79.3
Average temperature (°C)5.55.67.98.612.618.617.717.618.613.78.67.4
Average night temperature (°C)3.32.65.04.88.413.314.114.114.610.66.55.5
Absolute minimum temperature (°C)-3.7-2.7-2.2-1.05.79.111.612.19.44.11.2-4.1

Seine-Maritime 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)8.710.111.913.815.416.215.814.412.610.89.18.2
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.08.0
Sunshine mean duration (h)3.55.05.28.111.012.610.510.39.66.63.82.8
Precipitation (mm)96411286334810391608415272
Sunny days101469181828141215
Rainy days211325211312292316192925
Snow days010000000001

Seine-Maritime - weather forecast by months

Seine-Maritime weather in januarySeine-Maritime weather in februarySeine-Maritime weather in marchSeine-Maritime weather in aprilSeine-Maritime weather in maySeine-Maritime weather in juneSeine-Maritime weather in julySeine-Maritime weather in augustSeine-Maritime weather in septemberSeine-Maritime weather in octoberSeine-Maritime weather in novemberSeine-Maritime weather in december

Best time to visit Seine-Maritime:

The best time to visit Seine-Maritime during the most sunny months:

  • May — 11.0(h)
  • June — 12.6(h)
  • July — 10.5(h)
  • August — 10.3(h)
  • September — 9.6(h)

Months with the longest average daylight duration in Seine-Maritime:

  • May — 15.4(h)
  • June — 16.2(h)
  • July — 15.8(h)

The largest precipitation sum in Seine-Maritime is at

  • March — 112(mm)
  • July — 103(mm)
  • November — 152(mm)

    • Weather forecast in the closest to Seine-Maritime admin centers

    Weather forecast in the closest towns to Seine-Maritime

    Explore Seine-Maritime

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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