December weather forecastHeistenbach, Germany
December
Weather in December
The first month of the winter, December, is also a wintry month in Heistenbach, Germany, with an average temperature varying between 4.9°C (40.8°F) and 0.2°C (32.4°F).Temperature
With the onset of December, Heistenbach's average high-temperature slightly adjusts, moderately receding from November's chilly 8.2°C (46.8°F) to a wintry 4.9°C (40.8°F). Heistenbach records a negligible downturn from daytime temperatures, averaging a low of 0.2°C (32.4°F) in the month of December.Humidity
The months with the highest humidity in Heistenbach are January and December, with an average relative humidity of 90%.Rainfall
In December, in Heistenbach, the rain falls for 12.8 days. Throughout December, 21mm (0.83") of precipitation is accumulated. In Heistenbach, during the entire year, the rain falls for 136.4 days and collects up to 244mm (9.61") of precipitation.Snowfall
Months with snowfall in Heistenbach are January through April, November and December. In Heistenbach, in December, snow falls for 4.5 days, with typically accumulated 14mm (0.55") of snow. In Heistenbach, during the entire year, snow falls for 19.6 days and aggregates up to 64mm (2.52") of snow.Daylight
With an average of 8h and 6min of daylight, December has the shortest days of the year in Heistenbach.On the first day of December in Heistenbach, sunrise is at 08:06 and sunset at 16:27. On the last day of the month, sunrise is at 08:28 and sunset at 16:34 CET.
Sunshine
December has the least sunshine of the year, with an average of 3.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Heistenbach. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heistenbach, Germany
- Average high temperature in December: 4.9°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in December: 0.2°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).
Average pressure in December
Heistenbach, Germany
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in December
Heistenbach, Germany
- Average wind speed in December: 10.9km/h
The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in December
Heistenbach, Germany
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in December
Heistenbach, Germany
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is August (33mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in December
Heistenbach, Germany
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Heistenbach, Germany
- Average snowfall in December: 14mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Heistenbach, Germany
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Heistenbach, Germany
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 3h and 24min
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 24min).
Average sunshine days in December
Heistenbach, Germany
- Average sunshine days in December: 12.4 days
The months with the most sunshine days are April, September and October (17.5 days).
The month with the least sunshine days is December (12.4 days).
Average UV index in December
Heistenbach, 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
Heistenbach, Germany
- Average cloud cover in December: 67
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Heistenbach, Germany
- Average visibility in December: 7km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).
