December weather forecastHamburg, Germany

December
Weather in December
By the time December rolls in, winters have completely engulfed the city of Hamburg. With the average maximum temperature down to 4.3°C (39.7°F), the cold weather intensifies. The city is notably covered in a layer of snow 34mm (1.34") deep on average, reminiscent of a winter wonderland. Simultaneously, the city witnesses the shortest daylight duration of the year at 7.6 hours with the sun barely peeking through the thick winter cloud cover. As the year ends, the cold winter wind ushers in the festive spirit, turning Hamburg into a picturesque holiday retreat.Temperature
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a chilly 7.8°C (46°F) in November to an icy 4.3°C (39.7°F). Hamburg's nighttime temperature in December consistently rests at 1.2°C (34.2°F).Humidity
The most humid month in Hamburg is December, with an average relative humidity of 90%.Rainfall
In December, in Hamburg, the rain falls for 17.5 days. Throughout December, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 187.4 rainfall days, and 461mm (18.15") of precipitation is accumulated.Snowfall
Months with snowfall in Hamburg are January through April, November and December. In December, it is snowing for 4.5 days. Throughout December, 34mm (1.34") of snow is accumulated. Throughout the year, in Hamburg, there are 21.3 snowfall days, and 123mm (4.84") of snow is accumulated.Daylight
The month with the shortest days in Hamburg is December, with an average of 7h and 36min of daylight.On the first day of the month, sunrise is at 08:13 and sunset at 16:04. On the last day of December, in Hamburg, sunrise is at 08:36 and sunset at 16:10 CET.
Sunshine
The month with the least sunshine in Hamburg is December, with an average of 3.1h of sunshine.UV index
The average daily maximum UV index in December in Hamburg is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hamburg, Germany
- Average high temperature in December: 4.3°C
The warmest month (with the highest average high temperature) is August (22.6°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in December: 1.2°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is February (-0.5°C).
Average pressure in December
Hamburg, Germany
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is September (1016.3mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in December
Hamburg, Germany
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in December
Hamburg, Germany
- Average humidity in December: 90%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are April and August (76%).
Average rainfall in December
Hamburg, Germany
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Hamburg, Germany
- Average rainfall days in December: 17.5 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Hamburg, Germany
- Average snowfall in December: 34mm
The month with the highest snowfall is February (38mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Hamburg, Germany
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hamburg, Germany
- Average daylight in December: 7h and 36min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in December
Hamburg, Germany
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is April (14.1 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in December
Hamburg, Germany
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Hamburg, Germany
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in December
Hamburg, Germany
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June, July and August (9km).
The months with the lowest visibility are January, September, October, November and December (8km).





