Weather in Roy in May

General weather information about Roy

Average annual temperature is 10.8 °C

Absolute maximum temperature: 29.4 °C

Absolute minimum temperature: -6.0 °C

Number of sunny days: 114 days

Number of rainy days: 247 days

Number of snow days: 4 days

Look at detailed online map of Roy

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

Roy air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.212.514.117.722.928.429.428.229.324.713.810.7
Average daytime temperature (°C)5.47.49.011.316.923.921.620.922.316.18.46.8
Average temperature (°C)3.44.36.07.412.519.317.717.217.812.66.45.2
Average night temperature (°C)1.41.72.73.37.613.713.313.013.49.54.63.5
Absolute minimum temperature (°C)-6.0-4.2-4.3-3.22.28.39.69.07.21.0-3.5-4.9

Roy 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)2.55.34.97.310.613.410.59.39.55.82.62.2
Precipitation (mm)1253117081605714614151114164133
Sunny days81546121777191126
Rainy days201327241913242411202824
Snow days300000000001

Best time to visit Roy:

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

  • May — 10.6(h)
  • June — 13.4(h)
  • July — 10.5(h)
  • August — 9.3(h)
  • September — 9.5(h)

Months with the longest average daylight duration in Roy:

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

The largest precipitation sum in Roy is at

  • March — 170(mm)
  • July — 146(mm)
  • August — 141(mm)
  • November — 164(mm)
  • Weather forecast in the closest to Roy admin centers

    Frequently asked questions

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