December weather forecastHeidelsheim, Germany
December
Weather in December
The first month of the winter, December, is also a wintry month in Heidelsheim, Germany, with an average temperature varying between 5.5°C (41.9°F) and 0.8°C (33.4°F).Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's chilly 9°C (48.2°F) to a wintry 5.5°C (41.9°F). A steady low-temperature average of 0.8°C (33.4°F) is logged during December, reflecting a modest dip from daytime readings.Humidity
The average relative humidity in December is 85%.Rainfall
In Heidelsheim, in December, during 12.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, there are 143.7 rainfall days, and 326mm (12.83") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall in Heidelsheim is December, when snow falls for 3.9 days and typically aggregates up to 30mm (1.18") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year.On the first day of December in Heidelsheim, sunrise is at 07:58 and sunset at 16:30. On the last day of the month, sunrise is at 08:19 and sunset at 16:37 CET.
Sunshine
With an average of 4.2h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Heidelsheim, Germany
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in December: 0.8°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in December
Heidelsheim, Germany
- Average pressure in December: 1019.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1015.1mbar).
Average wind speed in December
Heidelsheim, Germany
- Average wind speed in December: 12km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in December
Heidelsheim, Germany
- Average humidity in December: 85%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Heidelsheim, Germany
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Heidelsheim, Germany
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in December
Heidelsheim, Germany
- Average snowfall in December: 30mm
The month with the highest snowfall is December (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Heidelsheim, Germany
- Average snowfall days in December: 3.9 days
The month with the highest number of snowfall days is January (6.5 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
Heidelsheim, Germany
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in December
Heidelsheim, Germany
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Heidelsheim, Germany
- Average UV index in December: 2
The months with the highest UV index are May, 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
Heidelsheim, Germany
- Average cloud cover in December: 58
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Heidelsheim, Germany
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
