December weather forecastMerchweiler, Germany
December
Weather in December
The first month of the winter, December, is also an icy month in Merchweiler, Germany, with an average temperature fluctuating between 0.4°C (32.7°F) and 4.5°C (40.1°F).Temperature
In December, the meteorological conditions change slightly, with the average high-temperature moving from a frosty 8°C (46.4°F) in November to an icy 4.5°C (40.1°F). Throughout December, Merchweiler reports a steady low-temperature average of 0.4°C (32.7°F), slightly lower than its daytime counterpart.Humidity
December is the most humid month in Merchweiler, with an average relative humidity of 91%.Rainfall
The month with the most rainfall is December, when the rain falls for 14.7 days and typically aggregates up to 64mm (2.52") of precipitation.Snowfall
January through March, May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 5.8 days and accumulates 70mm (2.76") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 08:06 and sunset at 16:35. On the last day of December, sunrise is at 08:27 and sunset at 16:42 CET.
Sunshine
With an average of 3.1h of sunshine, December has the least sunshine of the year in Merchweiler.UV index
The average daily maximum UV index in December in Merchweiler is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Merchweiler, Germany
- Average high temperature in December: 4.5°C
The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: 0.4°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in December
Merchweiler, Germany
- Average pressure in December: 1018.8mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is November (1014.6mbar).
Average wind speed in December
Merchweiler, Germany
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is February (13.6km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in December
Merchweiler, Germany
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in December
Merchweiler, Germany
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Merchweiler, Germany
- Average rainfall days in December: 14.7 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in December
Merchweiler, Germany
- Average snowfall in December: 70mm
The month with the highest snowfall is December (70mm).
The months with the least snowfall are April, June, July, August and September (0mm).
Average snowfall days in December
Merchweiler, Germany
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Merchweiler, Germany
- Average daylight in December: 8h and 18min
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 18min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Merchweiler, Germany
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is December (10.2 days).
Average UV index in December
Merchweiler, Germany
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Merchweiler, Germany
- 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 35).
Average visibility in December
Merchweiler, Germany
- Average visibility in December: 7km
The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are January, November and December (7km).
