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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a chilly 8.2°C (46.8°F) in November to a wintry 4.9°C (40.8°F). In December, Sankt Sebastian's nights cool slightly to a consistent average temperature of 0.2°C (32.4°F).Humidity
January and December, with an average relative humidity of 90%, are the most humid months in Sankt Sebastian.Rainfall
In Sankt Sebastian, in December, it is raining for 12.8 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, in Sankt Sebastian, there are 136.4 rainfall days, and 244mm (9.61") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Sankt Sebastian. In Sankt Sebastian, in December, during 4.5 snowfall days, 14mm (0.55") of snow is typically accumulated. Throughout the year, there are 19.6 snowfall days, and 64mm (2.52") of snow is accumulated.Daylight
December has the shortest days of the year in Sankt Sebastian, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 08:08 and sunset at 16:29. On the last day of December, sunrise is at 08:29 and sunset at 16:35 CET.
Sunshine
December has the least sunshine of the year in Sankt Sebastian, with an average of 3.4h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sankt Sebastian?
What are the most humid months in Sankt Sebastian?
What is the average humidity in December in Sankt Sebastian?
How much does it rain in Sankt Sebastian in December?
How much does it snow in Sankt Sebastian in December?
What is the month with the shortest days in Sankt Sebastian?
What is the average length of the day in December in Sankt Sebastian?
When is the sunrise / sunset in December in Sankt Sebastian?
What is the month with the least sunshine in Sankt Sebastian?
How long on average sun shines in December in Sankt Sebastian?
What is the month with the lowest UV index in Sankt Sebastian?
How high is the UV index in December in Sankt Sebastian?
Average temperature in December
Sankt Sebastian, 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
Sankt Sebastian, 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
Sankt Sebastian, 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
Sankt Sebastian, 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
Sankt Sebastian, 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
Sankt Sebastian, 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
Sankt Sebastian, 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
Sankt Sebastian, 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
Sankt Sebastian, Germany
- Average daylight in December: 8h and 1min
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 2min
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
Sankt Sebastian, 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
Sankt Sebastian, 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
Sankt Sebastian, 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
Sankt Sebastian, 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).
