May weather forecast
Roeser, Luxembourg

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Weather in May

The weather in May displays a noticeable shift towards warmer temperatures. The city sees no snowfall, with precipitation coming entirely from rainfall totaling to about 64mm (2.52"). With longer daylight hours and an increased UV index, this month signifies the official commencement of the sunny season. Although humidity still hovers around, the considerably less cloud cover and the fresh winds make for enjoyable summer days. Roeser in May enhances its appeal with the perfect balance of sun and shade, attracting visitors who appreciate mild summer weather.

Temperature

The unfolding of May in Roeser shows an average high-temperature of a comfortable 16.8°C (62.2°F), indicating a slight variance from April's 14.3°C (57.7°F). Roeser records an average nighttime low-temperature of 6.8°C (44.2°F) throughout May.

Humidity

In Roeser, the average relative humidity in May is 82%.

Rainfall

In May, in Roeser, the rain falls for 19.1 days. Throughout May, 64mm (2.52") of precipitation is accumulated. Throughout the year, in Roeser, there are 187.2 rainfall days, and 636mm (25.04") of precipitation is accumulated.

Snowfall

Months with snowfall in Roeser are January through May, October through December. May is the last month it regularly snows in Roeser. During 0.1 snowfall days, in May, Roeser aggregates 2mm (0.08") of snow. Throughout the year, in Roeser, Luxembourg, there are 32.5 snowfall days, and 279mm (10.98") of snow is accumulated.

Daylight

In Roeser, the average length of the day in May is 15h and 23min.
On the first day of May, sunrise is at 06:11 and sunset at 20:53. On the last day of the month, sunrise is at 05:33 and sunset at 21:32 CEST.

Sunshine

The average sunshine in May in Roeser is 8.3h.

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 unsafe exposure to UV radiation for the average person.
Note: In May, the UV index of 4 transforms into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

What is the usual temperature for Roeser in May?

The high-temperature, in May, in Roeser, is 16.8°C (62.2°F), while the low-temperature averages to 6.8°C (44.2°F).

What is the average humidity in May in Roeser?

In May, the average relative humidity in Roeser, Luxembourg, is 82%.

How many days does it rain in May in Roeser?

In Roeser, Luxembourg, in May, during 19.1 rainfall days, 64mm (2.52") of precipitation is typically accumulated.

What is the last month it snows in Roeser?

May is the last month it regularly snows in Roeser. During 0.1 snowfall days, in May, Roeser aggregates 2mm (0.08") of snow.

How many hours of daylight does Roeser have in May?

In Roeser, Luxembourg, the average day length in May is 15h and 23min.

What time are sunrise and sunset in May in Roeser?

In May, on the first day of the month, sunrise is at 06:11 and sunset at 20:53. On the last day of the month, sunrise is at 05:33 and sunset at 21:32 CEST.

How long on average sun shines in May in Roeser?

The average sunshine duration in May in Roeser is 8.3h.

What is the UV index reading in May in Roeser?

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
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
Roeser, Luxembourg

Average temperature in May - Roeser, Luxembourg
  • Average high temperature in May: 16.8°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in May: 6.8°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).

Average pressure in May
Roeser, Luxembourg

Average pressure in May - Roeser, Luxembourg
  • Average pressure in May: 1016.2mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).

Average wind speed in May
Roeser, Luxembourg

Average wind speed in May - Roeser, Luxembourg
  • Average wind speed in May: 11.1km/h

The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in May
Roeser, Luxembourg

Average humidity in May - Roeser, 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
Roeser, Luxembourg

Average rainfall in May - Roeser, Luxembourg
  • Average rainfall in May: 64mm

The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).

Average rainfall days in May
Roeser, Luxembourg

Average rainfall days in May - Roeser, Luxembourg
  • Average rainfall days in May: 19.1 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (12.5 days).

Average snowfall in May
Roeser, Luxembourg

Average snowfall in May - Roeser, Luxembourg
  • Average snowfall in May: 2mm

The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Roeser, Luxembourg

Average snowfall days in May - Roeser, Luxembourg
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Roeser, Luxembourg

Average daylight in May / Average sunshine in May - Roeser, 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 2min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

Average sunshine days in May
Roeser, Luxembourg

Average sunshine days in May - Roeser, Luxembourg
  • Average sunshine days in May: 9.7 days

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8 days).

Average UV index in May
Roeser, Luxembourg

Average UV index in May - Roeser, 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
Roeser, Luxembourg

Average cloud cover in May - Roeser, Luxembourg
  • Average cloud cover in May: 46

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in May
Roeser, Luxembourg

Average visibility in May - Roeser, 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).

Roeser, Luxembourg

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