Best year time to visit Grm

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

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)