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 subtly correlates with a reduction in the average high-temperature, down from an icy 5.5°C (41.9°F) in November to a still wintry 2°C (35.6°F). December nights witness a mild cool down to an average low of -1.6°C (29.1°F).Humidity
January, February, November and December, with an average relative humidity of 90%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 16.9 days and typically aggregates up to 64mm (2.52") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 8.5 days. Throughout December, 73mm (2.87") of snow is accumulated. In Rydal, during the entire year, snow falls for 44.5 days and aggregates up to 376mm (14.8") of snow.Daylight
With an average of 6h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 08:26 and sunset at 15:30. On the last day of December, in Rydal, sunrise is at 08:51 and sunset at 15:33 CET.
Sunshine
The average sunshine in December is 3.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Rydal?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rydal, Sweden
- Average high temperature in December: 2°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 (0.5°C).
- Average low temperature in December: -1.6°C
The months with the highest average low temperature are July and August (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.6°C).
Average pressure in December
Rydal, Sweden
- Average pressure in December: 1009mbar
The months with the highest atmospheric pressure are April and May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in December
Rydal, Sweden
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in December
Rydal, Sweden
- Average humidity in December: 90%
The months with the highest relative humidity are January, February, November and December (90%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in December
Rydal, Sweden
- Average rainfall in December: 64mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in December
Rydal, Sweden
- Average rainfall days in December: 16.9 days
The month with the highest number of rainy days is August (18.5 days).
The month with the least rainy days is February (9.8 days).
Average snowfall in December
Rydal, Sweden
- Average snowfall in December: 73mm
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rydal, Sweden
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is February (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rydal, Sweden
- Average daylight in December: 6h and 4min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in December
Rydal, Sweden
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is April (14.2 days).
The month with the least sunshine days is December (7.8 days).
Average UV index in December
Rydal, Sweden
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Rydal, Sweden
- Average cloud cover in December: 69
The months with the most cloud cover are November and December (Cloud cover 69).
The months with the least cloud cover are April and May (Cloud cover 44).
Average visibility in December
Rydal, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, March, September, October, November and December (8km).
