Best year time to visit Guelff

General weather information about Guelff

Average annual temperature is 11.0 °C

Absolute maximum temperature: 30.5 °C

Absolute minimum temperature: -5.8 °C

Number of sunny days: 122 days

Number of rainy days: 238 days

Number of snow days: 5 days

Look at detailed online map of Guelff

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

Guelff air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.712.514.817.723.328.730.528.529.424.114.111.2
Average daytime temperature (°C)5.57.29.611.817.924.822.621.822.716.08.36.5
Average temperature (°C)3.63.76.27.713.419.718.317.617.512.26.34.8
Average night temperature (°C)1.70.92.73.68.713.813.613.212.68.74.23.1
Absolute minimum temperature (°C)-5.5-5.8-3.6-3.53.58.69.28.65.41.9-4.4-4.5

Guelff monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.015.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.710.111.913.815.416.215.814.412.610.89.18.2
Daylight minimum duration (h)8.09.010.012.014.016.015.013.011.09.08.08.0
Sunshine mean duration (h)2.04.85.37.911.413.410.39.79.95.62.41.6
Precipitation (mm)131151297736239713541134183105
Sunny days61577161879171127
Rainy days201324231512242213202824
Snow days500000000000

Best time to visit Guelff:

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

  • May — 11.4(h)
  • June — 13.4(h)
  • July — 10.3(h)
  • August — 9.7(h)
  • September — 9.9(h)

Months with the longest average daylight duration in Guelff:

  • May — 15.4(h)
  • June — 16.2(h)
  • July — 15.8(h)

The largest precipitation sum in Guelff is at

  • January — 131(mm)
  • March — 129(mm)
  • August — 135(mm)
  • October — 134(mm)
  • November — 183(mm)
  • Weather forecast in the closest to Guelff admin centers