December weather forecastGrafrath, Germany
December
Weather in December
December, the first month of the winter in Grafrath, is also an icy month, with an average temperature varying between 4.1°C (39.4°F) and -1.4°C (29.5°F).Temperature
The arrival of December suggests a slight decrease in the average high-temperature, moving from a frosty 8.2°C (46.8°F) in November to a cold 4.1°C (39.4°F). Throughout December, the average low-temperature in Grafrath, Germany, records at a freezing cold -1.4°C (29.5°F).Humidity
The average relative humidity in December is 86%.Rainfall
In Grafrath, during December, the rain falls for 9 days and regularly aggregates up to 45mm (1.77") of precipitation. Throughout the year, there are 169.8 rainfall days, and 840mm (33.07") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Grafrath, Germany, during December, snow falls for 8.6 days and regularly aggregates up to 101mm (3.98") of snow. In Grafrath, during the entire year, snow falls for 42 days and aggregates up to 637mm (25.08") of snow.Daylight
With an average of 8h and 24min of daylight, December has the shortest days of the year.On the first day of December in Grafrath, sunrise is at 07:45 and sunset at 16:24. On the last day of the month, sunrise is at 08:05 and sunset at 16:31 CET.
Sunshine
In Grafrath, the average sunshine in December is 4.2h.UV index
The months with the lowest UV index in Grafrath are January, February, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 2 in December transforms into this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. 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. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grafrath, Germany
- Average high temperature in December: 4.1°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in December: -1.4°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in December
Grafrath, Germany
- Average pressure in December: 1020.4mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in December
Grafrath, Germany
- Average wind speed in December: 10.5km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest months (with the lowest average wind speed) are August and September (7.7km/h).
Average humidity in December
Grafrath, Germany
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Grafrath, Germany
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is June (121mm).
The driest month (with the least rainfall) is November (25mm).
Average rainfall days in December
Grafrath, Germany
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in December
Grafrath, Germany
- Average snowfall in December: 101mm
The month with the highest snowfall is January (220mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grafrath, Germany
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grafrath, Germany
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in December
Grafrath, Germany
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (5.7 days).
Average UV index in December
Grafrath, 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, October, November and December (UV index 2).
Average cloud cover in December
Grafrath, Germany
- Average cloud cover in December: 57
The months with the most cloud cover are January and February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Grafrath, Germany
- Average visibility in December: 8km
The months with the highest visibility are April and July (9km).
The months with the lowest visibility are January, February and October (7km).
