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
Weather in December
Temperature
The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a wintry 5.6°C (42.1°F) to a still icy 2°C (35.6°F). Ryssby encounters an average temperature dip to a subzero cold -1.3°C (29.7°F) throughout December, subtly lower than its daytime maximum.Humidity
The months with the highest humidity are January, February, November and December, with an average relative humidity of 90%.Rainfall
In December, in Ryssby, the rain falls for 14.1 days. Throughout December, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 160.4 rainfall days, and 375mm (14.76") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Ryssby, in December, snow falls for 8.9 days, with typically accumulated 55mm (2.17") of snow. In Ryssby, during the entire year, snow falls for 46.8 days and aggregates up to 316mm (12.44") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 54min of daylight.On the first day of the month, sunrise is at 08:16 and sunset at 15:28. On the last day of December, sunrise is at 08:40 and sunset at 15:32 CET.
Sunshine
December has the least sunshine of the year, with an average of 2.6h of sunshine.UV index
The months with the lowest UV index in Ryssby are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is it in Ryssby in December?
What are the most humid months in Ryssby?
What is the average humidity in December in Ryssby?
How many days does it rain in December in Ryssby?
How many days does it snow in December in Ryssby?
What is the month with the shortest days in Ryssby?
How many hours of daylight does Ryssby have in December?
When is the sunrise / sunset in December in Ryssby?
What is the month with the least sunshine in Ryssby?
How many hours of sunshine does Ryssby have in December?
When is the lowest UV index in Ryssby?
How high is the UV index in December in Ryssby?
Average temperature in December
Ryssby, Sweden
- Average high temperature in December: 2°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in December
Ryssby, Sweden
- Average pressure in December: 1010mbar
The month with the highest atmospheric pressure is April (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010mbar).
Average wind speed in December
Ryssby, Sweden
- Average wind speed in December: 14.3km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Ryssby, 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 (70%).
Average rainfall in December
Ryssby, Sweden
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Ryssby, Sweden
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Ryssby, Sweden
- Average snowfall in December: 55mm
The month with the highest snowfall is February (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Ryssby, Sweden
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ryssby, Sweden
- Average daylight in December: 6h and 5min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in December
Ryssby, Sweden
- Average sunshine days in December: 9.1 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (9.1 days).
Average UV index in December
Ryssby, Sweden
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Ryssby, Sweden
- Average cloud cover in December: 74
The months with the most cloud cover are November and December (Cloud cover 74).
The months with the least cloud cover are April and June (Cloud cover 45).
Average visibility in December
Ryssby, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January and February (7km).
Ryssby, Sweden
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