Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a frosty 7.5°C (45.5°F) in November to a cold 4°C (39.2°F). An average low-temperature of -0.1°C (31.8°F) characterizes Helsa's December nights.Humidity
January and December, with an average relative humidity of 90%, are the most humid months in Helsa.Rainfall
In Helsa, in December, it is raining for 15.2 days, with typically 43mm (1.69") of accumulated precipitation. Throughout the year, there are 176.4 rainfall days, and 463mm (18.23") of precipitation is accumulated.Snowfall
Months with snowfall in Helsa are January through May, October through December. In December, it is snowing for 7.9 days. Throughout December, 59mm (2.32") of snow is accumulated. Throughout the year, in Helsa, there are 35.8 snowfall days, and 251mm (9.88") of snow is accumulated.Daylight
The month with the shortest days in Helsa is December, with an average of 8h and 0min of daylight.On the first day of December, sunrise is at 08:04 and sunset at 16:16. On the last day of the month, sunrise is at 08:25 and sunset at 16:23 CET.
Sunshine
December has the least sunshine of the year in Helsa, Germany, with an average of 3h of sunshine.UV index
The months with the lowest UV index in Helsa are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Helsa?
What are the most humid months in Helsa?
What is the average humidity in December in Helsa?
How much does it rain in Helsa in December?
How many days does it snow in December in Helsa?
What is the month with the shortest days in Helsa?
What is the average length of the day in December in Helsa?
When is the sunrise / sunset in December in Helsa?
What is the month with the least sunshine in Helsa?
How many hours of sunshine does Helsa have in December?
What are the months with the lowest UV index in Helsa?
How high is the UV index in December in Helsa?
Average temperature in December
Helsa, Germany
- Average high temperature in December: 4°C
The warmest months (with the highest average high temperature) are July and August (23.4°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in December: -0.1°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 (-2.1°C).
Average pressure in December
Helsa, Germany
- Average pressure in December: 1016.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in December
Helsa, Germany
- Average wind speed in December: 12.2km/h
The windiest month (with the highest average wind speed) is December (12.2km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in December
Helsa, Germany
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Helsa, Germany
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is June (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Helsa, Germany
- Average rainfall days in December: 15.2 days
The months with the highest number of rainy days are June and July (17.8 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in December
Helsa, Germany
- Average snowfall in December: 59mm
The month with the highest snowfall is January (79mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Helsa, Germany
- Average snowfall days in December: 7.9 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
Helsa, Germany
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in December
Helsa, Germany
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is October (14.9 days).
The month with the least sunshine days is June (9 days).
Average UV index in December
Helsa, 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, March, November and December (UV index 2).
Average cloud cover in December
Helsa, Germany
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Helsa, Germany
- Average visibility in December: 7km
The month with the highest visibility is August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).
