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
The arrival of May marks a slight shift to an average high-temperature of an enjoyable 16.7°C (62.1°F) from April's 14.1°C (57.4°F). Throughout the month of May, Helmdange reports a steady low-temperature average of 6.7°C (44.1°F).Humidity
The average relative humidity in May is 82%.Rainfall
In Helmdange, in May, during 18 rainfall days, 53mm (2.09") of precipitation is typically accumulated. In Helmdange, during the entire year, the rain falls for 171.5 days and collects up to 545mm (21.46") of precipitation.Snowfall
January through May, October through December are months with snowfall in Helmdange. May is the last month it regularly snows. During 0.1 snowfall days, in May, Helmdange aggregates 1mm (0.04") of snow. In Helmdange, during the entire year, snow falls for 28 days and aggregates up to 235mm (9.25") of snow.Daylight
The average length of the day in May is 15h and 24min.On the first day of May in Helmdange, Luxembourg, sunrise is at 06:11 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 Helmdange, the average sunshine in May is 8.7h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Helmdange in May?
What is the average humidity in May in Helmdange?
How much does it rain in Helmdange in May?
What is the last month it snows in Helmdange?
How many hours of daylight does Helmdange have in May?
When is the sunrise / sunset in May in Helmdange?
How long on average sun shines in May in Helmdange?
How high is the UV index in May in Helmdange?
Average temperature in May
Helmdange, 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
Helmdange, 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
Helmdange, 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
Helmdange, 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
Helmdange, 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
Helmdange, 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
Helmdange, 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
Helmdange, 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
Helmdange, Luxembourg
- Average daylight in May: 15h and 2min
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 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
Helmdange, 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
Helmdange, 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
Helmdange, 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
Helmdange, 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).
Helmdange, Luxembourg
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