December weather forecastHamm, Luxembourg
December
Weather in December
The first month of the winter, December, is also an icy month in Hamm, Luxembourg, with an average temperature varying between 4.5°C (40.1°F) and 0.2°C (32.4°F).Temperature
As November transitions into December, Hamm sees a gentle drop in the average high-temperature, transitioning from a frosty 7.8°C (46°F) to a wintry 4.5°C (40.1°F). During December, Hamm's temperature shows a minor deviation from daytime highs, falling to a steady low-temperature average of 0.2°C (32.4°F).Humidity
December is the most humid month, with an average relative humidity of 91%.Rainfall
December is the month with the most rainfall in Hamm. Rain falls for 15.1 days and accumulates 61mm (2.4") of precipitation.Snowfall
January through May, October through December are months with snowfall in Hamm. December is the month with the most snowfall. Snow falls for 5.9 days and accumulates 71mm (2.8") of snow.Daylight
The month with the shortest days in Hamm is December, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 08:10 and sunset at 16:38. On the last day of the month, sunrise is at 08:31 and sunset at 16:45 CET.
Sunshine
With an average of 3.1h of sunshine, December has the least sunshine of the year in Hamm.UV index
The months with the lowest UV index in Hamm, Luxembourg, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hamm, Luxembourg
- Average high temperature in December: 4.5°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 December: 0.2°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 December
Hamm, Luxembourg
- Average pressure in December: 1018.2mbar
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 December
Hamm, Luxembourg
- Average wind speed in December: 14.7km/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 December
Hamm, Luxembourg
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Hamm, Luxembourg
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in December
Hamm, Luxembourg
- Average rainfall days in December: 15.1 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 December
Hamm, Luxembourg
- Average snowfall in December: 71mm
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 December
Hamm, Luxembourg
- Average snowfall days in December: 5.9 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 December /
Average sunshine in December
Hamm, Luxembourg
- 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 December: 3h and 6min
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 December
Hamm, Luxembourg
- Average sunshine days in December: 11 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 December
Hamm, Luxembourg
- Average UV index in December: 2
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 December
Hamm, Luxembourg
- Average cloud cover in December: 70
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 December
Hamm, Luxembourg
- Average visibility in December: 8km
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).
