April weather forecast
Mamer, Luxembourg

April

Weather in April

April is a moderate spring month in Mamer, Luxembourg, with an average temperature fluctuating between 14.1°C (57.4°F) and 4.6°C (40.3°F).

Temperature

April brings a rise in Mamer's average high-temperature, moving from a frosty 9.1°C (48.4°F) in March to a moderate 14.1°C (57.4°F). Mamer observes an average low-temperature of 4.6°C (40.3°F) during April.

Humidity

The average relative humidity in April is 77%.

Rainfall

April is the month with the least rainfall in Mamer. Rain falls for 13.5 days and accumulates 33mm (1.3") of precipitation.

Snowfall

Months with snowfall in Mamer are January through May, October through December. In Mamer, in April, during 0.4 snowfall days, 1mm (0.04") of snow is typically accumulated. In Mamer, during the entire year, snow falls for 28 days and aggregates up to 235mm (9.25") of snow.

Daylight

In April, the average length of the day is 13h and 47min.
On the first day of the month, sunrise is at 07:11 and sunset at 20:07. On the last day of April, in Mamer, sunrise is at 06:13 and sunset at 20:52 CEST.

Sunshine

In April, the average sunshine in Mamer is 8.3h.

UV index

In April, the average daily maximum UV index in Mamer is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 3 during April translates into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

What are April temperatures in Mamer?
Mamer in April has an average high-temperature of 14.1°C (57.4°F) and an average low-temperature of 4.6°C (40.3°F).
What is the average humidity in April in Mamer?
The average relative humidity in April is 77%.
What is the driest month in Mamer?
April is the month with the least rainfall in Mamer, Luxembourg. Rain falls for 13.5 days and accumulates 33mm (1.3") of precipitation.
How much does it rain in Mamer in April?
In Mamer, during April, the rain falls for 13.5 days and regularly aggregates up to 33mm (1.3") of precipitation.
How much does it snow in Mamer in April?
In Mamer, Luxembourg, in April, snow falls for 0.4 days, with typically accumulated 1mm (0.04") of snow.
How many hours of daylight does Mamer have in April?
In Mamer, the average day length in April is 13h and 47min.
What time are sunrise and sunset in April in Mamer?
On the first day of April in Mamer, Luxembourg, sunrise is at 07:11 and sunset at 20:07. On the last day of the month, sunrise is at 06:13 and sunset at 20:52 CEST.
How long on average sun shines in April in Mamer?
In April, the average sunshine duration in Mamer, Luxembourg, is 8.3h.
How high is the UV index in April in Mamer?
In Mamer, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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 April
Mamer, Luxembourg
  • Average high temperature in April: 14.1°C

The warmest months (with the highest average high temperature) are July and August (22.6°C).
The month with the lowest average high temperature is January (3.2°C).

  • Average low temperature in April: 4.6°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 (-1.2°C).

Average pressure in April
Mamer, Luxembourg
  • Average pressure in April: 1015.6mbar

The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).

Average wind speed in April
Mamer, Luxembourg
  • Average wind speed in April: 11.5km/h

The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in April
Mamer, Luxembourg
  • Average humidity in April: 77%

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).

Average rainfall in April
Mamer, Luxembourg
  • Average rainfall in April: 33mm

The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (33mm).

Average rainfall days in April
Mamer, Luxembourg
  • Average rainfall days in April: 13.5 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (10.8 days).

Average snowfall in April
Mamer, Luxembourg
  • Average snowfall in April: 1mm

The month with the highest snowfall is December (71mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Mamer, Luxembourg
  • Average snowfall days in April: 0.4 days

The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Mamer, Luxembourg
  • Average daylight in April: 13h and 5min

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 April: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in April
Mamer, Luxembourg
  • Average sunshine days in April: 13.8 days

The month with the most sunshine days is September (15.8 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in April
Mamer, Luxembourg
  • Average UV index in April: 3

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 April
Mamer, Luxembourg
  • Average cloud cover in April: 42

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 April
Mamer, Luxembourg
  • Average visibility in April: 9km

The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).

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