May weather forecastMertert, Luxembourg
May weather forecast for Mertert, Luxembourg: In Mertert, in May, during 18.3 rainfall days, 54mm (2.13") of precipitation is typically accumulated. On the first day of May in Mertert, sunrise is at 06:10 and sunset at 20:52.
May
Weather in May
By May, Mertert welcomes the warm embrace of spring. The city’s weather is comfortably mild and perfect for exploring natural surroundings. There's no snowfall during this time, and temperatures continue to climb. Many sunny days are to be enjoyed during this month, with an average daylight exposure of around 15.4 hours. However, a significant increase in rainfall and humidity levels reminds that summer is just around the corner.Temperature
Mertert ushers in May with an average high-temperature of an enjoyable 16.8°C (62.2°F), showing a close resemblance to the previous month. In May, Mertert experiences an average nighttime temperature of 6.7°C (44.1°F).Humidity
The average relative humidity in May is 81%.Rainfall
In May, the rain falls for 18.3 days. Throughout May, 54mm (2.13") of precipitation is accumulated. Throughout the year, there are 170 rainfall days, and 516mm (20.31") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Mertert, the average length of the day in May is 15h and 24min.On the first day of May in Mertert, sunrise is at 06:10 and sunset at 20:52. On the last day of the month, sunrise is at 05:31 and sunset at 21:32 CEST.
Sunshine
In Mertert, the average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Mertert, Luxembourg
- Average high temperature in May: 16.8°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (3.1°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 (-1.3°C).
Average pressure in May
Mertert, Luxembourg
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in May
Mertert, Luxembourg
- Average wind speed in May: 10.7km/h
The windiest month (with the highest average wind speed) is February (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in May
Mertert, Luxembourg
- Average humidity in May: 81%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall in May
Mertert, Luxembourg
- Average rainfall in May: 54mm
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days in May
Mertert, Luxembourg
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in May
Mertert, Luxembourg
- Average snowfall in May: 0mm
The months with the highest snowfall are January and December (66mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Mertert, Luxembourg
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Mertert, Luxembourg
- Average daylight in May: 15h and 24min
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 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in May
Mertert, Luxembourg
- Average sunshine days in May: 9.5 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is December (7.6 days).
Average UV index in May
Mertert, 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
Mertert, Luxembourg
- Average cloud cover in May: 44
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
Mertert, 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 November and December (7km).
