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 aligns with a minor decrease in average high-temperatures, from November's wintry 5.5°C (41.9°F) to a still cold 2.3°C (36.1°F). Garnviken observes a minimal variance in temperature, with a consistent average low of -1.3°C (29.7°F) during the nights of December.Humidity
The months with the highest humidity are January, February, November and December, with an average relative humidity of 88%.Rainfall
In Garnviken, in December, during 13.9 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, there are 170 rainfall days, and 502mm (19.76") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Garnviken, in December, during 8 snowfall days, 59mm (2.32") of snow is typically accumulated. In Garnviken, during the entire year, snow falls for 41.6 days and aggregates up to 307mm (12.09") of snow.Daylight
With an average of 6h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:33 and sunset at 15:27. On the last day of December, in Garnviken, sunrise is at 08:58 and sunset at 15:30 CET.
Sunshine
In December, the average sunshine is 3.6h.UV index
In Garnviken, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Garnviken?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Garnviken have in December?
What is the UV index reading in December?
Average temperature in December
Garnviken, Sweden
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure in December
Garnviken, Sweden
- Average pressure in December: 1008.4mbar
The months with the highest atmospheric pressure are April and May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in December
Garnviken, Sweden
- Average wind speed in December: 14.9km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are June and July (12km/h).
Average humidity in December
Garnviken, Sweden
- Average humidity in December: 88%
The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Garnviken, Sweden
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is August (55mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in December
Garnviken, Sweden
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Garnviken, Sweden
- Average snowfall in December: 59mm
The month with the highest snowfall is January (80mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Garnviken, Sweden
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Garnviken, Sweden
- Average daylight in December: 6h and 3min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in December
Garnviken, Sweden
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in December
Garnviken, Sweden
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Garnviken, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in December
Garnviken, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
