May weather forecast
Vianden, Luxembourg

May

Weather in May

Vianden, Luxembourg, in the month of May, ushers in a warm and welcoming atmosphere. An escalation in temperatures is observed in comparison to the prior month, indicative of summer's impending arrival. Conditions become decidedly sunnier, with increased daylight hours, though occasionally interspersed with bouts of rainfall as remnants of spring. Despite this, the rainfall recorded a higher average of 56mm (2.2"), and the weather remains predominantly clear with relatively moderate wind speeds. There is a significant absence of snowfall, maintaining the trend that started in April.

Temperature

In May, Vianden's weather conditions record an average high-temperature of a still mild 15.6°C (60.1°F), demonstrating little divergence from the preceding month. Vianden reports a consistent average low-temperature of 5.8°C (42.4°F) throughout May nights.

Humidity

The average relative humidity in May is 84%.

Rainfall

In Vianden, in May, it is raining for 19.3 days, with typically 56mm (2.2") of accumulated precipitation. In Vianden, during the entire year, the rain falls for 189.4 days and collects up to 645mm (25.39") of precipitation.

Snowfall

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

Daylight

The average length of the day in May in Vianden is 15h and 26min.
On the first day of May in Vianden, sunrise is at 06:10 and sunset at 20:54. On the last day of the month, sunrise is at 05:31 and sunset at 21:34 CEST.

Sunshine

In May, the average sunshine is 7.6h.

UV index

The average daily maximum UV index in May in Vianden is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the maximum UV index of 3 suggests these recommendations:
Adopt protective measures - It is advised to guard against sun damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What are the temperatures in Vianden in May?
The average high-temperature and low-temperature in Vianden during May are 15.6°C (60.1°F) and 5.8°C (42.4°F) respectively.
What is the average humidity in May in Vianden?
The average relative humidity in May is 84%.
How many days does it rain in May in Vianden?
In Vianden, during May, the rain falls for 19.3 days and regularly aggregates up to 56mm (2.2") of precipitation.
What is the last month it snows in Vianden?
May is the last month it regularly snows in Vianden. During 0.1 snowfall days, in May, Vianden aggregates 2mm (0.08") of snow.
What is the average length of the day in May in Vianden?
The average day length in May in Vianden is 15h and 26min.
What time are sunrise and sunset in May in Vianden?
In May, on the first day of the month, sunrise is at 06:10 and sunset at 20:54. On the last day of the month, sunrise is at 05:31 and sunset at 21:34 CEST.
How many hours of sunshine does Vianden have in May?
The average sunshine duration in May in Vianden is 7.6h.
What is the UV index intensity in May in Vianden?
In Vianden, Luxembourg, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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
Vianden, 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).

englishespañol中文
Share