Climate and monthly weather forecastAltwies, Luxembourg
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Altwies, Luxembourg, with an average temperature varying between -0.9°C (30.4°F) and 3.4°C (38.1°F). The lowest temperatures are recorded in January, with averages reaching a high of 3.4°C (38.1°F) and a low of -0.9°C (30.4°F). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Altwies, Luxembourg, with temperature in the range of an average high of 4.6°C (40.3°F) and an average low of -0.7°C (30.7°F). In February, the average high-temperature registers at a still icy 4.6°C (40.3°F), nearly identical to January's 3.4°C (38.1°F). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Altwies, Luxembourg, with an average temperature ranging between max 9.3°C (48.7°F) and min 1.8°C (35.2°F). March signals a minor shift in the average high-temperature, moving from February's cold 4.6°C (40.3°F) to a frosty 9.3°C (48.7°F). Weather in March »Weather in April
April is a refreshing spring month in Altwies, Luxembourg, with an average temperature fluctuating between 14.3°C (57.7°F) and 4.6°C (40.3°F). April's arrival brings a change in high-temperatures, moving from a chilly 9.3°C (48.7°F) in March to a mild 14.3°C (57.7°F). Weather in April »Weather in May
The last month of the spring, May, is a comfortable month in Altwies, Luxembourg, with an average temperature fluctuating between 16.8°C (62.2°F) and 6.8°C (44.2°F). During May, the average high-temperature is an enjoyable 16.8°C (62.2°F), maintaining a close resemblance to that of the preceding month. Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Altwies, Luxembourg, with an average temperature ranging between max 20.3°C (68.5°F) and min 10.3°C (50.5°F). June brings a slight rise in Altwies's average high-temperature, moving from a refreshing 16.8°C (62.2°F) in May to a pleasant 20.3°C (68.5°F). Weather in June »Weather in July
July, like June, is an agreeable summer month in Altwies, Luxembourg, with temperature in the range of an average low of 12.3°C (54.1°F) and an average high of 22.7°C (72.9°F). The transition into July reveals an average high-temperature of a still agreeable 22.7°C (72.9°F), mirroring a close resemblance to June. Weather in July »Weather in August
August, the last month of the summer in Altwies, is another pleasant month, with an average temperature fluctuating between 12.6°C (54.7°F) and 22.8°C (73°F). Altwies reaches its highest average temperatures in August, measuring 22.8°C (73°F) at the peak and 12.6°C (54.7°F) at the lowest. Weather in August »Weather in September
September, the first month of the autumn in Altwies, is also an enjoyable month, with an average temperature ranging between max 18.5°C (65.3°F) and min 9.5°C (49.1°F). September is marked by a subtle drop in average high-temperatures, transitioning from an agreeable 22.8°C (73°F) in August to a refreshing 18.5°C (65.3°F). Weather in September »Weather in October
October, the same as September, in Altwies, Luxembourg, is a moderate autumn month, with an average temperature ranging between max 13.7°C (56.7°F) and min 6.2°C (43.2°F). In October, the meteorological conditions change slightly, with the average high-temperature moving from a refreshing 18.5°C (65.3°F) in September to a mild 13.7°C (56.7°F). Weather in October »Weather in November
November, the last month of the autumn in Altwies, is another chilly month, with an average temperature fluctuating between 2.9°C (37.2°F) and 8°C (46.4°F). Altwies's average high-temperature decreases in November, falling from a refreshing 13.7°C (56.7°F) in October to a chilly 8°C (46.4°F). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Altwies, Luxembourg, with temperature in the range of an average high of 4.5°C (40.1°F) and an average low of 0.5°C (32.9°F). The move into December indicates a slight reduction in the average high-temperature, down from November's frosty 8°C (46.4°F) to a cold 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
January is the coldest month in Altwies, Luxembourg, exhibiting average temperatures of 3.4°C (38.1°F) at the peak and -0.9°C (30.4°F) at the base.
Throughout the year, in Altwies, Luxembourg, there are 187.2 rainfall days, and 636mm (25.04") of precipitation is accumulated.
Months with snowfall in Altwies, Luxembourg, are January through May, October through December.
The month with the most snowfall in Altwies, Luxembourg, is January, when snow falls for 9.2 days and typically aggregates up to 85mm (3.35") of snow.
In Altwies, during the entire year, snow falls for 32.5 days and aggregates up to 279mm (10.98") of snow.
The months with the lowest UV index in Altwies are January, February, November and December, with an average maximum UV index of 2.
The month with the least rainfall in Altwies, Luxembourg, is April, when the rain falls for 14.2 days and typically collects 39mm (1.54") of precipitation.
June through September are months without snowfall in Altwies.
The month with the longest days in Altwies is June, with an average of 16h and 12min of daylight.
June and July, with an average maximum UV index of 5, are months with the highest UV index.
July has the most sunshine of the year in Altwies, Luxembourg, with an average of 9.5h of sunshine.
With an average high-temperature of 22.8°C (73°F) and an average low-temperature of 12.6°C (54.7°F), August is the warmest month in Altwies, Luxembourg.
With an average relative humidity of 76%, August is the least humid month in Altwies, Luxembourg.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, 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.
The most humid month is December, with an average relative humidity of 91%.
The month with the most rainfall in Altwies, Luxembourg, is December, when the rain falls for 17 days and typically aggregates up to 75mm (2.95") of precipitation.
With an average of 8h and 12min of daylight, December has the shortest days of the year.
December has the least sunshine of the year, with an average of 2.9h of sunshine.
Average temperature
Altwies, Luxembourg
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).
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
Altwies, Luxembourg
- Average pressure in January:
1017.7mbar - Average pressure in February:
1016.5mbar - Average pressure in March:
1016.5mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1016.1mbar
- Average pressure in July:
1015.8mbar - Average pressure in August:
1016.1mbar - Average pressure in September:
1017.9mbar - Average pressure in October:
1017.5mbar - Average pressure in November:
1014.1mbar - Average pressure in December:
1018.4mbar
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
Altwies, Luxembourg
- Average wind speed in January:
14.7km/h - Average wind speed in February:
15.6km/h - Average wind speed in March:
14.8km/h - Average wind speed in April:
11.7km/h - Average wind speed in May:
11.1km/h - Average wind speed in June:
10.7km/h
- Average wind speed in July:
10.5km/h - Average wind speed in August:
9.8km/h - Average wind speed in September:
10.3km/h - Average wind speed in October:
11.7km/h - Average wind speed in November:
13.2km/h - Average wind speed in December:
15.1km/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
Altwies, Luxembourg
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).
Average rainfall
Altwies, Luxembourg
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).
Average rainfall days
Altwies, Luxembourg
- Average rainfall days in January:
14.7 days - Average rainfall days in February:
13 days - Average rainfall days in March:
13.9 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
19.1 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
15.6 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
17 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
Altwies, Luxembourg
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
Altwies, Luxembourg
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 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:
0.3 days - Average snowfall days in November:
2.8 days - Average snowfall days in December:
7.7 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 / Average sunshine
Altwies, 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 12min
- 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 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in January:
3h and 18min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 18min - Average sunshine in June:
8h and 42min
- Average sunshine in July:
9h and 30min - Average sunshine in August:
9h and 18min - Average sunshine in September:
8h and 0min - Average sunshine in October:
5h and 6min - Average sunshine in November:
3h and 30min - Average sunshine in December:
2h and 54min
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
Altwies, Luxembourg
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
13 days - Average sunshine days in April:
13 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
8.8 days - Average sunshine days in December:
8 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
Altwies, 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
Altwies, Luxembourg
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
Altwies, 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).
