Weather in Grm in May

General weather information about Grm

Average annual temperature is 12.0 °C

Absolute maximum temperature: 35.8 °C

Absolute minimum temperature: -12.1 °C

Number of sunny days: 168 days

Number of rainy days: 190 days

Number of snow days: 7 days

Look at detailed online map of Grm

* Weather data for Grm Slovenia is based on climate observations for 2026 year

Grm air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.715.421.621.626.134.435.335.828.527.117.914.1
Average daytime temperature (°C)7.58.513.614.619.025.328.226.924.320.612.18.1
Average temperature (°C)3.72.47.59.114.719.622.121.118.614.86.73.2
Average night temperature (°C)0.4-2.41.94.010.414.116.515.813.29.72.3-0.6
Absolute minimum temperature (°C)-9.4-12.1-3.8-2.16.311.210.710.09.42.3-4.4-6.6

Grm monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.110.411.913.514.915.715.314.112.510.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.87.27.68.78.112.211.910.910.27.85.95.3
Precipitation (mm)14336968818110818216974102139110
Sunny days1323161171014151718915
Rainy days14415192420171613132114
Snow days410000000002

Grm - weather forecast by months

Grm weather in januaryGrm weather in februaryGrm weather in marchGrm weather in aprilGrm weather in mayGrm weather in juneGrm weather in julyGrm weather in augustGrm weather in septemberGrm weather in octoberGrm weather in novemberGrm weather in december

Best time to visit Grm:

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

  • June — 12.2(h)
  • July — 11.9(h)
  • August — 10.9(h)

Months with the longest average daylight duration in Grm:

  • June — 15.7(h)
  • July — 15.3(h)

The largest precipitation sum in Grm is at

  • May — 181(mm)
  • July — 182(mm)
  • August — 169(mm)

    • Weather forecast in the closest to Grm admin centers

    Weather forecast in the closest towns to Grm

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    Frequently asked questions

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