December weather forecastMertloch, Germany
December
Weather in December
The first month of the winter, December, is still a cold month in Mertloch, Germany, with an average temperature varying between 4.9°C (40.8°F) and 0.4°C (32.7°F).Temperature
December brings a minor shift in the average high-temperature, adjusting from a chilly 8.3°C (46.9°F) in November to a wintry 4.9°C (40.8°F). In Mertloch, the nighttime temperature in December descends gently to an average of 0.4°C (32.7°F).Humidity
The most humid month in Mertloch is December, with an average relative humidity of 90%.Rainfall
In Mertloch, in December, during 14.5 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, in Mertloch, there are 168.9 rainfall days, and 406mm (15.98") of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Mertloch, during December, snow falls for 5.5 days and regularly aggregates up to 45mm (1.77") of snow. In Mertloch, during the entire year, snow falls for 24.8 days and aggregates up to 181mm (7.13") of snow.Daylight
The month with the shortest days in Mertloch, Germany, is December, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 08:09 and sunset at 16:30. On the last day of the month, sunrise is at 08:30 and sunset at 16:37 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index in Mertloch are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Opt for tightly woven and loose clothing to enhance protection from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mertloch, Germany
- Average high temperature in December: 4.9°C
The warmest month (with the highest average high temperature) is July (23.4°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 August (12.5°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in December
Mertloch, Germany
- Average pressure in December: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in December
Mertloch, Germany
- Average wind speed in December: 11.6km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in December
Mertloch, Germany
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in December
Mertloch, Germany
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is August (44mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in December
Mertloch, Germany
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in December
Mertloch, Germany
- Average snowfall in December: 45mm
The month with the highest snowfall is January (57mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Mertloch, Germany
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Mertloch, Germany
- Average daylight in December: 8h and 6min
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 6min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in December
Mertloch, Germany
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in December
Mertloch, Germany
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Mertloch, Germany
- Average cloud cover in December: 65
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Mertloch, Germany
- Average visibility in December: 7km
The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January, February, November and December (7km).
