May weather forecast
Bettendorf, Luxembourg

May

Weather in May

The last month of the spring, May, is another refreshing month in Bettendorf, Luxembourg, with an average temperature fluctuating between 5.8°C (42.4°F) and 15.6°C (60.1°F).

Temperature

The weather during May records an average high-temperature of a still refreshing 15.6°C (60.1°F), closely mirroring the preceding month. Throughout the month of May, the nighttime temperature in Bettendorf, Luxembourg, dips to an average of 5.8°C (42.4°F).

Humidity

In Bettendorf, the average relative humidity in May is 84%.

Rainfall

In Bettendorf, during May, the rain falls for 19.3 days and regularly aggregates up to 56mm (2.2") of precipitation. In Bettendorf, during the entire year, the rain falls for 189.4 days and collects up to 645mm (25.39") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Bettendorf. May is the last month it regularly snows. During 0.1 snowfall days, in May, Bettendorf aggregates 2mm (0.08") of snow. In Bettendorf, Luxembourg, during the entire year, snow falls for 36.3 days and aggregates up to 327mm (12.87") of snow.

Daylight

In May, the average length of the day in Bettendorf, Luxembourg, is 15h and 25min.
On the first day of the month, sunrise is at 06:10 and sunset at 20:53. On the last day of May, in Bettendorf, sunrise is at 05:31 and sunset at 21:34 CEST.

Sunshine

In May, the average sunshine in Bettendorf is 7.6h.

UV index

The average daily maximum UV index in May in Bettendorf is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in May interprets into the following advice:
Be vigilant - Preventing sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

What is the temperature in May in Bettendorf?
During May, Bettendorf experiences an average high-temperature of 15.6°C (60.1°F) and a low-temperature of 5.8°C (42.4°F).
What is the average humidity in May in Bettendorf?
In May, the average relative humidity is 84%.
How many days does it rain in May in Bettendorf?
In Bettendorf, Luxembourg, in May, during 19.3 rainfall days, 56mm (2.2") of precipitation is typically accumulated.
What is the last month it snows in Bettendorf?
May is the last month it regularly snows in Bettendorf. During 0.1 snowfall days, in May, Bettendorf aggregates 2mm (0.08") of snow.
How many hours of daylight does Bettendorf have in May?
In Bettendorf, the average day length in May is 15h and 25min.
When are sunrise and sunset in May in Bettendorf?
In May, on the first day of the month, sunrise is at 06:10 and sunset at 20:53. On the last day of the month, in Bettendorf, Luxembourg, sunrise is at 05:31 and sunset at 21:34 CEST.
How long on average sun shines in May in Bettendorf?
In May, the average sunshine duration is 7.6h.
How high is the UV index in May in Bettendorf?
In May, the average daily maximum UV index in Bettendorf is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Bettendorf, Luxembourg
  • Average high temperature in May: 15.6°C

The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (2.5°C).

  • Average low temperature in May: 5.8°C

The months with the highest average low temperature are July and August (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).

Average pressure in May
Bettendorf, Luxembourg
  • Average pressure in May: 1016.1mbar

The months with the highest atmospheric pressure are September and December (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).

Average wind speed in May
Bettendorf, Luxembourg
  • Average wind speed in May: 11.6km/h

The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in May
Bettendorf, Luxembourg
  • Average humidity in May: 84%

The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (79%).

Average rainfall in May
Bettendorf, Luxembourg
  • Average rainfall in May: 56mm

The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (37mm).

Average rainfall days in May
Bettendorf, Luxembourg
  • Average rainfall days in May: 19.3 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (11.1 days).

Average snowfall in May
Bettendorf, Luxembourg
  • Average snowfall in May: 2mm

The month with the highest snowfall is February (90mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Bettendorf, Luxembourg
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Bettendorf, 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: 7h and 4min

The month with the most sunshine is July (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

Average sunshine days in May
Bettendorf, Luxembourg
  • Average sunshine days in May: 9.2 days

The month with the most sunshine days is September (13 days).
The month with the least sunshine days is June (7.2 days).

Average UV index in May
Bettendorf, Luxembourg
  • Average UV index in May: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Bettendorf, Luxembourg
  • Average cloud cover in May: 52

The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 44).

Average visibility in May
Bettendorf, Luxembourg
  • Average visibility in May: 8km

The month with the highest visibility is April (9km).
The months with the lowest visibility are January, October, November and December (7km).

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