Best year time to visit Grm

General weather information about Grm

Average annual temperature is 11.8 °C

Absolute maximum temperature: 34.5 °C

Absolute minimum temperature: -11.5 °C

Number of sunny days: 156 days

Number of rainy days: 199 days

Number of snow days: 10 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)14.314.420.321.025.133.734.334.527.826.316.913.3
Average daytime temperature (°C)6.67.712.814.218.424.527.426.023.519.711.37.9
Average temperature (°C)3.32.37.38.814.419.221.820.718.214.66.73.8
Average night temperature (°C)0.4-2.42.33.710.314.116.515.613.310.22.80.7
Absolute minimum temperature (°C)-8.0-11.5-2.6-2.56.210.910.410.59.52.5-4.3-5.4

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)9.110.411.913.614.915.715.314.112.510.99.58.7
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.06.97.38.48.012.111.810.710.07.75.84.8
Precipitation (mm)140389010015412318215241137123101
Sunny days1021169511111219161115
Rainy days17415212619201911151913
Snow days430000000003

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 — 12.1(h)
  • July — 11.8(h)
  • August — 10.7(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 — 154(mm)
  • July — 182(mm)
  • August — 152(mm)

    • Weather forecast in the closest to Grm admin centers

    Weather forecast in the closest towns to Grm