December weather forecastRiveris, Germany
December
Weather in December
The first month of the winter, December, is also an icy month in Riveris, Germany, with an average temperature fluctuating between 4.4°C (39.9°F) and 0°C (32°F).Temperature
The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a chilly 7.8°C (46°F) in November to an icy 4.4°C (39.9°F). A mean low-temperature of 0°C (32°F) is anticipated during the month of December in Riveris, a slight step down from the daytime high.Humidity
The most humid month in Riveris is December, with an average relative humidity of 91%.Rainfall
The month with the most rainfall in Riveris is December, when the rain falls for 12.8 days and typically aggregates up to 33mm (1.3") of precipitation.Snowfall
January through March, May, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 4.5 days and typically aggregates up to 33mm (1.3") of snow.Daylight
December has the shortest days of the year in Riveris, Germany, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 08:09 and sunset at 16:35. On the last day of December, in Riveris, Germany, sunrise is at 08:30 and sunset at 16:42 CET.
Sunshine
With an average of 3.1h of sunshine, December has the least sunshine of the year in Riveris.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Riveris. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. 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
Riveris, Germany
- Average high temperature in December: 4.4°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in December: 0°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in December
Riveris, 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 (1014.2mbar).
Average wind speed in December
Riveris, Germany
- Average wind speed in December: 13.6km/h
The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in December
Riveris, Germany
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Riveris, Germany
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Riveris, Germany
- Average rainfall days in December: 12.8 days
The months with the highest number of rainy days are June, July and August (13.3 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Riveris, Germany
- Average snowfall in December: 33mm
The month with the highest snowfall is December (33mm).
The months with the least snowfall are April, June, July, August, September and October (0mm).
Average snowfall days in December
Riveris, Germany
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Riveris, Germany
- 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 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Riveris, Germany
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is December (12.8 days).
Average UV index in December
Riveris, Germany
- 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
Riveris, 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 36).
Average visibility in December
Riveris, Germany
- Average visibility in December: 7km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are November and December (7km).
