May weather forecastBelval, Luxembourg
May
Weather in May
May marks the advent of warmer weather as summer approaches in Belval. The city is awash with abundant greenery, vibrant flowers, and growing trees against the backdrop of a bright sky. With an increase in temperature, May starts to feel like early summer, but a dip in temperature at night keeps a nice balance. Rainfall sees an increase, bracing the city for the heat of approaching months. The significantly longer daylight hours heighten the beauty of the landscape, and the city evolves into a warm weather paradise.Temperature
Belval notes an average high-temperature of a still refreshing 16.8°C (62.2°F) in May, displaying minor variation from April. An average nighttime temperature of 6.8°C (44.2°F) is observed in Belval during May.Humidity
The average relative humidity in May is 82%.Rainfall
In May, the rain falls for 19.1 days. Throughout May, 64mm (2.52") of precipitation is accumulated. Throughout the year, in Belval, there are 187.2 rainfall days, and 636mm (25.04") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Belval. During 0.1 snowfall days, in May, Belval aggregates 2mm (0.08") of snow. Throughout the year, there are 32.5 snowfall days, and 279mm (10.98") of snow is accumulated.Daylight
In May, the average length of the day is 15h and 22min.On the first day of the month, sunrise is at 06:12 and sunset at 20:53. On the last day of May, sunrise is at 05:34 and sunset at 21:33 CEST.
Sunshine
The average sunshine in May is 8.3h.UV index
The average daily maximum UV index in May in Belval, Luxembourg, is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during May translates into the following guidance:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Belval, Luxembourg
- Average high temperature in May: 16.8°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in May: 6.8°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure in May
Belval, Luxembourg
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in May
Belval, Luxembourg
- Average wind speed in May: 11.1km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in May
Belval, Luxembourg
- Average humidity in May: 82%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).
Average rainfall in May
Belval, Luxembourg
- Average rainfall in May: 64mm
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).
Average rainfall days in May
Belval, Luxembourg
- Average rainfall days in May: 19.1 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in May
Belval, Luxembourg
- Average snowfall in May: 2mm
The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Belval, Luxembourg
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Belval, Luxembourg
- Average daylight in May: 15h and 24min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in May: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in May
Belval, Luxembourg
- Average sunshine days in May: 9.7 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8 days).
Average UV index in May
Belval, Luxembourg
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Belval, Luxembourg
- Average cloud cover in May: 46
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in May
Belval, Luxembourg
- Average visibility in May: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are November and December (7km).
