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
Weather in May
Temperature
May's presence marks an average high-temperature of a still refreshing 17.8°C (64°F), subtly varied from April's 15.4°C (59.7°F). Lummen encounters an average low-temperature of 8.5°C (47.3°F) during May nights.Humidity
In May, the average relative humidity is 77%.Rainfall
In May, the rain falls for 16.3 days. Throughout May, 41mm (1.61") of precipitation is accumulated. In Lummen, during the entire year, the rain falls for 173.1 days and collects up to 472mm (18.58") of precipitation.Snowfall
In Lummen, snow does not fall in April through October.Daylight
In Lummen, the average length of the day in May is 15h and 34min.On the first day of the month, sunrise is at 06:11 and sunset at 21:01. On the last day of May, in Lummen, Belgium, sunrise is at 05:30 and sunset at 21:43 CEST.
Sunshine
In Lummen, the average sunshine in May is 8.2h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 4 during May translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What are the temperatures in Lummen in May?
What is the average humidity in May in Lummen?
How much does it rain in Lummen in May?
When it does not snow in Lummen?
What is the average length of the day in May in Lummen?
What time are sunrise and sunset in May in Lummen?
How many hours of sunshine does Lummen have in May?
How high is the UV index in May in Lummen?
Average temperature in May
Lummen, Belgium
- Average high temperature in May: 17.8°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in May: 8.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in May
Lummen, Belgium
- Average pressure in May: 1016.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in May
Lummen, Belgium
- Average wind speed in May: 12.1km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in May
Lummen, Belgium
- Average humidity in May: 77%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Lummen, Belgium
- Average rainfall in May: 41mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in May
Lummen, Belgium
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in May
Lummen, Belgium
- Average snowfall in May: 0mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Lummen, Belgium
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (3.7 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
Lummen, Belgium
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in May
Lummen, Belgium
- Average sunshine days in May: 12 days
The months with the most sunshine days are March and April (16.6 days).
The months with the least sunshine days are June and July (9.8 days).
Average UV index in May
Lummen, 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
Lummen, Belgium
- Average cloud cover in May: 46
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in May
Lummen, 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).
Lummen, Belgium
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