May weather forecastDellen, Luxembourg
May
Weather in May
In Dellen, Luxembourg, the month of May presents a considerably warmer and vibrant weather due to its progression towards the summer season. The average high temperature escalates to 15.9°C (60.6°F), and at this point, snowfall is usually non-existent, marking the conclusion of any wintery remnants. Outdoor activities are on the rise as families and friends gather for picnics and strolls in the parks, taking advantage of the excellent weather. The days are longer and sunnier, bathing the city in an attractive glow during this time. With an influx of flowers and lush greenery, May's weather in Dellen is typically serene and inviting.Temperature
Dellen notes an average high-temperature of a still mild 15.9°C (60.6°F) in May, displaying minor variation from April. Dellen records an average low of 6.3°C (43.3°F) throughout the nights in May.Humidity
The average relative humidity in May is 83%.Rainfall
In Dellen, in May, during 18.8 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, there are 190.3 rainfall days, and 626mm (24.65") of precipitation is accumulated.Snowfall
Months with snowfall in Dellen are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Dellen aggregates 1mm (0.04") of snow. In Dellen, during the entire year, snow falls for 30.3 days and aggregates up to 249mm (9.8") of snow.Daylight
The average length of the day in May in Dellen, Luxembourg, is 15h and 25min.On the first day of May, sunrise is at 06:11 and sunset at 20:54. On the last day of the month, sunrise is at 05:32 and sunset at 21:35 CEST.
Sunshine
In May, the average sunshine 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 unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Dellen, Luxembourg
- Average high temperature in May: 15.9°C
The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in May: 6.3°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in May
Dellen, Luxembourg
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is December (1018mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in May
Dellen, Luxembourg
- Average wind speed in May: 11.4km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity in May
Dellen, Luxembourg
- Average humidity in May: 83%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (79%).
Average rainfall in May
Dellen, Luxembourg
- Average rainfall in May: 56mm
The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in May
Dellen, Luxembourg
- Average rainfall days in May: 18.8 days
The months with the highest number of rainy days are June and July (19.1 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in May
Dellen, Luxembourg
- Average snowfall in May: 1mm
The month with the highest snowfall is January (78mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Dellen, Luxembourg
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Dellen, Luxembourg
- Average daylight in May: 15h and 24min
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 12min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in May
Dellen, Luxembourg
- Average sunshine days in May: 9.5 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in May
Dellen, 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, March, November and December (UV index 2).
Average cloud cover in May
Dellen, Luxembourg
- Average cloud cover in May: 47
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in May
Dellen, Luxembourg
- Average visibility in May: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are November and December (7km).
