Climate and monthly weather forecastHaller, Luxembourg
Climate and monthly weather forecast
Weather in January
January, like December, in Haller, Luxembourg, is another cold winter month, with temperature in the range of an average high of 3.1°C (37.6°F) and an average low of -1.3°C (29.7°F). January, with average temperatures reaching a high of 3.1°C (37.6°F) and a low of -1.3°C (29.7°F), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is another cold month in Haller, Luxembourg, with an average temperature fluctuating between -1°C (30.2°F) and 4.3°C (39.7°F). Haller observes a minor difference in average high-temperatures between January's 3.1°C (37.6°F) and February's 4.3°C (39.7°F). Weather in February »Weather in March
March, the first month of the spring in Haller, is a chilly month, with an average temperature ranging between min 1.3°C (34.3°F) and max 9.1°C (48.4°F). The start of March signals a slight increase in the average high-temperature, moving from an icy 4.3°C (39.7°F) in February to a chilly 9.1°C (48.4°F). Weather in March »Weather in April
April in Haller, Luxembourg, is a moderate spring month, with an average temperature ranging between max 14.2°C (57.6°F) and min 4.5°C (40.1°F). April's arrival sees a rise in the average high-temperature, jumping from March's chilly 9.1°C (48.4°F) to a moderate 14.2°C (57.6°F). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Haller, Luxembourg, with an average temperature fluctuating between 16.8°C (62.2°F) and 6.7°C (44.1°F). With the start of May, Haller measures an average high-temperature of a still refreshing 16.8°C (62.2°F), not significantly differing from April's 14.2°C (57.6°F). Weather in May »Weather in June
June, the first month of the summer in Haller, is an agreeable month, with an average temperature varying between 20.1°C (68.2°F) and 10°C (50°F). The shift into June brings a slight increase in the average high-temperature, moving from a comfortable 16.8°C (62.2°F) in May to an agreeable 20.1°C (68.2°F). Weather in June »Weather in July
July, the same as June, in Haller, Luxembourg, is an agreeable summer month, with an average temperature ranging between min 12°C (53.6°F) and max 22.7°C (72.9°F). July, with average temperatures reaching a high of 22.7°C (72.9°F) and a low of 12°C (53.6°F), is the warmest month. Weather in July »Weather in August
The last month of the summer, August, is also an agreeable month in Haller, Luxembourg, with temperature in the range of an average high of 22.6°C (72.7°F) and an average low of 12.3°C (54.1°F). August's advent notes a subtle adjustment in average high-temperature to a still agreeable 22.6°C (72.7°F) from July. Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Haller, Luxembourg, with temperature in the range of an average low of 9°C (48.2°F) and an average high of 18.5°C (65.3°F). The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a pleasant 22.6°C (72.7°F) in August to a comfortable 18.5°C (65.3°F). Weather in September »Weather in October
October, the same as September, in Haller, Luxembourg, is another refreshing autumn month, with an average temperature fluctuating between 5.9°C (42.6°F) and 13.5°C (56.3°F). October brings a drop in Haller's average high-temperature, falling from 18.5°C (65.3°F) in September to a still refreshing 13.5°C (56.3°F). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Haller, Luxembourg, with an average temperature varying between 2.6°C (36.7°F) and 7.9°C (46.2°F). Observing a mild shift, the average high-temperature during November reduces from October's moderate 13.5°C (56.3°F) to a frosty 7.9°C (46.2°F). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Haller, Luxembourg, with temperature in the range of an average high of 4.5°C (40.1°F) and an average low of 0.2°C (32.4°F). Haller's weather subtly changes with the onset of December, barely falling from a chilly 7.9°C (46.2°F) in November to a wintry 4.5°C (40.1°F). Weather in December »Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Haller, January records the average lowest temperatures, peaking at 3.1°C (37.6°F) and reaching a low of -1.3°C (29.7°F).
In Haller, Luxembourg, during the entire year, the rain falls for 170 days and collects up to 516mm (20.31") of precipitation.
Months with snowfall are January through April, October through December.
The months with the most snowfall are January and December, with an average 66mm (2.6") of accumulated snow.
Throughout the year, in Haller, there are 28.8 snowfall days, and 214mm (8.43") of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Haller.
The months with the lowest humidity are April and August, with an average relative humidity of 76%.
May through September are months without snowfall.
With an average of 16h and 18min of daylight, June has the longest days of the year in Haller, Luxembourg.
The months with the highest UV index in Haller, Luxembourg, are June and July, with an average maximum UV index of 5.
Haller's July weather, marked by an average high temperature of 22.7°C (72.9°F) and an average low temperature of 12°C (53.6°F), is the warmest in the year.
July is the month with the least rainfall. Rain falls for 11.4 days and accumulates 25mm (0.98") of precipitation.
With an average of 9.8h of sunshine, July has the most sunshine of the year.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Haller, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
December is the most humid month in Haller, with an average relative humidity of 91%.
December is the month with the most rainfall in Haller. Rain falls for 17.1 days and accumulates 69mm (2.72") of precipitation.
December has the shortest days of the year in Haller, Luxembourg, with an average of 8h and 12min of daylight.
The month with the least sunshine in Haller, Luxembourg, is December, with an average of 3.1h of sunshine.
Average temperature
Haller, Luxembourg
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).
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
Haller, Luxembourg
- Average pressure in January:
1017.7mbar - Average pressure in February:
1016.4mbar - Average pressure in March:
1016.5mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.7mbar - Average pressure in August:
1016.1mbar - Average pressure in September:
1017.9mbar - Average pressure in October:
1017.5mbar - Average pressure in November:
1014.2mbar - Average pressure in December:
1018.3mbar
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
Haller, Luxembourg
- Average wind speed in January:
13.8km/h - Average wind speed in February:
14.7km/h - Average wind speed in March:
14.1km/h - Average wind speed in April:
11.2km/h - Average wind speed in May:
10.7km/h - Average wind speed in June:
10.3km/h
- Average wind speed in July:
10km/h - Average wind speed in August:
9.4km/h - Average wind speed in September:
9.8km/h - Average wind speed in October:
11.1km/h - Average wind speed in November:
12.4km/h - Average wind speed in December:
14.2km/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
Haller, Luxembourg
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall
Haller, Luxembourg
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is July (25mm).
Average rainfall days
Haller, Luxembourg
- Average rainfall days in January:
15.2 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
14 days - Average rainfall days in April:
14.4 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
11.4 days - Average rainfall days in August:
11.7 days - Average rainfall days in September:
9.6 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
17.1 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
Haller, Luxembourg
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
Haller, Luxembourg
- Average snowfall days in January:
7.9 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
3 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
6.9 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 / Average sunshine
Haller, Luxembourg
- Average daylight in January:
8h and 42min - Average daylight in February:
10h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 24min - Average daylight in June:
16h and 18min
- Average daylight in July:
15h and 48min - Average daylight in August:
14h and 24min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 6min - Average daylight in December:
8h and 12min
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 January:
3h and 30min - Average sunshine in February:
3h and 54min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 36min - Average sunshine in September:
8h and 12min - Average sunshine in October:
5h and 18min - Average sunshine in November:
3h and 48min - Average sunshine in December:
3h and 6min
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
Haller, Luxembourg
- Average sunshine days in January:
9.5 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
13 days - Average sunshine days in May:
9.5 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
17.5 days - Average sunshine days in August:
17.6 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
13.9 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
7.6 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
Haller, Luxembourg
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
Haller, Luxembourg
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
Haller, Luxembourg
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are November and December (7km).
