Weather in Roly in May

General weather information about Roly

Average annual temperature is 11.1 °C

Absolute maximum temperature: 29.7 °C

Absolute minimum temperature: -5.5 °C

Number of sunny days: 115 days

Number of rainy days: 248 days

Number of snow days: 2 days

Look at detailed online map of Roly

* Weather data for Roly Belgium is based on climate observations for 2026 year

Roly air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.512.715.717.722.728.229.128.429.724.014.310.8
Average daytime temperature (°C)6.07.79.711.717.223.921.821.322.616.49.17.4
Average temperature (°C)4.04.36.57.612.619.117.817.317.712.87.05.7
Average night temperature (°C)1.61.42.93.27.613.013.512.912.99.25.03.7
Absolute minimum temperature (°C)-5.5-4.4-3.8-3.41.68.69.68.76.50.9-2.9-4.3

Roly 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)8.610.111.913.815.416.315.914.412.610.79.18.1
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.08.0
Sunshine mean duration (h)2.45.34.97.210.913.210.99.59.55.92.81.8
Precipitation (mm)110141407262521151045210512990
Sunny days91666131866171017
Rainy days211225241812252513212923
Snow days100000000001

Best time to visit Roly:

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

  • May — 10.9(h)
  • June — 13.2(h)
  • July — 10.9(h)
  • August — 9.5(h)
  • September — 9.5(h)

Months with the longest average daylight duration in Roly:

  • May — 15.4(h)
  • June — 16.3(h)
  • July — 15.9(h)

The largest precipitation sum in Roly is at

  • January — 110(mm)
  • March — 140(mm)
  • July — 115(mm)
  • November — 129(mm)
  • Weather forecast in the closest to Roly admin centers