December weather forecastUmmerstadt, Germany
December
Weather in December
The first month of the winter, December, is also an icy month in Ummerstadt, Germany, with an average temperature fluctuating between -1.3°C (29.7°F) and 2.8°C (37°F).Temperature
December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a chilly 6.7°C (44.1°F) in November to an icy 2.8°C (37°F). Ummerstadt encounters a small divergence from daytime high temperatures, averaging a low-temperature of -1.3°C (29.7°F) during December nights.Humidity
In Ummerstadt, the average relative humidity in December is 90%.Rainfall
In December, the rain falls for 14.6 days. Throughout December, 46mm (1.81") of precipitation is accumulated. Throughout the year, there are 169.3 rainfall days, and 465mm (18.31") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Ummerstadt, in December, during 9.3 snowfall days, 85mm (3.35") of snow is typically accumulated. In Ummerstadt, Germany, during the entire year, snow falls for 41.3 days and aggregates up to 334mm (13.15") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 07:55 and sunset at 16:16. On the last day of December, sunrise is at 08:16 and sunset at 16:23 CET.
Sunshine
With an average of 2.8h of sunshine, December has the least sunshine of the year.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ummerstadt, Germany
- Average high temperature in December: 2.8°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in December: -1.3°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 (-3.3°C).
Average pressure in December
Ummerstadt, Germany
- 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 (1014.9mbar).
Average wind speed in December
Ummerstadt, Germany
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in December
Ummerstadt, Germany
- Average humidity in December: 90%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Ummerstadt, Germany
- Average rainfall in December: 46mm
The wettest months (with the highest rainfall) are June and August (53mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Ummerstadt, Germany
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (10 days).
Average snowfall in December
Ummerstadt, Germany
- Average snowfall in December: 85mm
The month with the highest snowfall is January (97mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Ummerstadt, Germany
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ummerstadt, 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: 2h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in December
Ummerstadt, Germany
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in December
Ummerstadt, Germany
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Ummerstadt, Germany
- Average cloud cover in December: 73
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in December
Ummerstadt, Germany
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, October and December (7km).
