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 weather displays an average high-temperature of an enjoyable 16.7°C (62.1°F), slightly varied from April's 14.1°C (57.4°F). In the month of May, Heffingen witnesses a consistent average low-temperature of 6.7°C (44.1°F).Humidity
In May, the average relative humidity is 82%.Rainfall
In May, the rain falls for 18 days. Throughout May, 53mm (2.09") of precipitation is accumulated. In Heffingen, Luxembourg, during the entire year, the rain falls for 171.5 days and collects up to 545mm (21.46") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Heffingen aggregates 1mm (0.04") of snow. Throughout the year, in Heffingen, there are 28 snowfall days, and 235mm (9.25") of snow is accumulated.Daylight
In May, the average length of the day in Heffingen, Luxembourg, is 15h and 24min.On the first day of May, sunrise is at 06:10 and sunset at 20:53. On the last day of the month, sunrise is at 05:32 and sunset at 21:33 CEST.
Sunshine
In May, the average sunshine is 8.7h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the average May temperature in Heffingen?
What is the average humidity in May in Heffingen?
How much does it rain in Heffingen in May?
What is the last month it snows in Heffingen?
How many hours of daylight does Heffingen have in May?
What time are sunrise and sunset in May in Heffingen?
How many hours of sunshine does Heffingen have in May?
What is the UV index intensity in May in Heffingen?
Average temperature in May
Heffingen, Luxembourg
- Average high temperature in May: 16.7°C
The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in May: 6.7°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in May
Heffingen, Luxembourg
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in May
Heffingen, Luxembourg
- Average wind speed in May: 11km/h
The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in May
Heffingen, 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
Heffingen, Luxembourg
- Average rainfall in May: 53mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in May
Heffingen, Luxembourg
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in May
Heffingen, Luxembourg
- Average snowfall in May: 1mm
The month with the highest snowfall is December (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Heffingen, Luxembourg
- Average snowfall days in May: 0.1 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Heffingen, Luxembourg
- Average daylight in May: 15h and 2min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in May
Heffingen, Luxembourg
- Average sunshine days in May: 10.5 days
The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in May
Heffingen, 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
Heffingen, Luxembourg
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Heffingen, 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 January, February, May, June, September, October, November and December (8km).
Heffingen, Luxembourg
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