Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
Lannoy, Belgium, measures an average high-temperature of a still refreshing 17.7°C (63.9°F) in May, nearly consistent with the preceding month. May brings an average low-temperature of 8.1°C (46.6°F) to Lannoy.Humidity
The average relative humidity in May is 78%.Rainfall
In May, the rain falls for 14.9 days. Throughout May, 29mm (1.14") of precipitation is accumulated. In Lannoy, during the entire year, the rain falls for 173.9 days and collects up to 452mm (17.8") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May is 15h and 31min.On the first day of the month, sunrise is at 06:20 and sunset at 21:08. On the last day of May, sunrise is at 05:39 and sunset at 21:49 CEST.
Sunshine
In May, the average sunshine is 8.4h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
When is the sunrise / sunset in May in Lannoy?
How many hours of sunshine does Lannoy have in May?
What is the UV index intensity in May?
Average temperature in May
Lannoy, Belgium
- Average high temperature in May: 17.7°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in May: 8.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in May
Lannoy, Belgium
- Average pressure in May: 1016.6mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in May
Lannoy, Belgium
- Average wind speed in May: 12.9km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in May
Lannoy, Belgium
- Average humidity in May: 78%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (74%).
Average rainfall in May
Lannoy, Belgium
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is December (63mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in May
Lannoy, Belgium
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is December (17.9 days).
The month with the least rainy days is September (10.3 days).
Average snowfall in May
Lannoy, Belgium
- Average snowfall in May: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Lannoy, Belgium
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Lannoy, Belgium
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in May
Lannoy, Belgium
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is September (17.7 days).
The months with the least sunshine days are January, February and December (8.8 days).
Average UV index in May
Lannoy, Belgium
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Lannoy, Belgium
- Average cloud cover in May: 45
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in May
Lannoy, Belgium
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
