Weather in Helmern in May

General weather information about Helmern

Average annual temperature is 10.0 °C

Absolute maximum temperature: 30.8 °C

Absolute minimum temperature: -8.8 °C

Number of sunny days: 108 days

Number of rainy days: 247 days

Number of snow days: 10 days

Look at detailed online map of Helmern

* Weather data for Helmern Germany is based on climate observations for 2026 year

Helmern air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.012.215.220.123.427.530.829.228.224.313.39.9
Average daytime temperature (°C)5.06.08.210.616.622.721.421.521.715.07.35.7
Average temperature (°C)3.13.14.86.711.918.017.517.216.911.85.03.8
Average night temperature (°C)1.10.71.72.56.912.913.513.512.39.12.71.9
Absolute minimum temperature (°C)-6.6-5.1-4.3-3.51.67.29.89.67.52.2-8.8-7.7

Helmern 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)8.410.011.913.915.616.616.114.612.710.78.97.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)2.14.55.08.210.912.911.510.110.15.13.31.7
Precipitation (mm)1018411768428510113430110139193
Sunny days71341013144721645
Rainy days20152420181627249252524
Snow days403000000012

Helmern - weather forecast by months

Helmern weather in januaryHelmern weather in februaryHelmern weather in marchHelmern weather in aprilHelmern weather in mayHelmern weather in juneHelmern weather in julyHelmern weather in augustHelmern weather in septemberHelmern weather in octoberHelmern weather in novemberHelmern weather in december

Best time to visit Helmern:

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

  • May — 10.9(h)
  • June — 12.9(h)
  • July — 11.5(h)
  • August — 10.1(h)
  • September — 10.1(h)

Months with the longest average daylight duration in Helmern:

  • May — 15.6(h)
  • June — 16.6(h)
  • July — 16.1(h)

The largest precipitation sum in Helmern is at

  • August — 134(mm)
  • November — 139(mm)
  • December — 193(mm)

    • Weather forecast in the closest to Helmern admin centers

    Weather forecast in the closest towns to Helmern

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    Frequently asked questions

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