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 4.7°C (40.5°F) in November to a still wintry 0.8°C (33.4°F). Nighttime readings during December register a minimal drop from daytime highs, averaging at a freezing cold -2.8°C (27°F).Humidity
January, February and December, with an average relative humidity of 90%, are the most humid months.Rainfall
In Hälleforsnäs, during December, the rain falls for 7.7 days and regularly aggregates up to 23mm (0.91") of precipitation. In Hälleforsnäs, during the entire year, the rain falls for 125 days and collects up to 284mm (11.18") of precipitation.Snowfall
Months with snowfall are January through May, October through December. The months with the most snowfall in Hälleforsnäs are February and December, with an average 78mm (3.07") of accumulated snow.Daylight
With an average of 6h and 18min of daylight, December has the shortest days of the year in Hälleforsnäs, Sweden.On the first day of December in Hälleforsnäs, sunrise is at 08:22 and sunset at 15:03. On the last day of the month, sunrise is at 08:48 and sunset at 15:05 CET.
Sunshine
The month with the least sunshine in Hälleforsnäs is December, with an average of 2.7h of sunshine.UV index
In December, the average daily maximum UV index in Hälleforsnäs, Sweden, is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Hälleforsnäs?
What are the most humid months in Hälleforsnäs?
What is the average humidity in December in Hälleforsnäs?
How much does it rain in Hälleforsnäs in December?
What is the snowiest month in Hälleforsnäs?
How many days does it snow in December in Hälleforsnäs?
What is the month with the shortest days in Hälleforsnäs?
How many hours of daylight does Hälleforsnäs have in December?
When are sunrise and sunset in December in Hälleforsnäs?
What is the month with the least sunshine in Hälleforsnäs?
How many hours of sunshine does Hälleforsnäs have in December?
What is the UV index intensity in December in Hälleforsnäs?
Average temperature in December
Hälleforsnäs, Sweden
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -2.8°C
The month with the highest average low temperature is July (12.3°C).
The coldest months (with the lowest average low temperature) are January and February (-4.8°C).
Average pressure in December
Hälleforsnäs, Sweden
- Average pressure in December: 1008.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in December
Hälleforsnäs, Sweden
- Average wind speed in December: 14.2km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in December
Hälleforsnäs, Sweden
- Average humidity in December: 90%
The months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Hälleforsnäs, Sweden
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Hälleforsnäs, Sweden
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Hälleforsnäs, Sweden
- Average snowfall in December: 78mm
The months with the highest snowfall are February and December (78mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hälleforsnäs, Sweden
- Average snowfall days in December: 11.3 days
The months with the highest number of snowfall days are January and December (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hälleforsnäs, Sweden
- Average daylight in December: 6h and 2min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in December
Hälleforsnäs, Sweden
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is April (16.4 days).
The month with the least sunshine days is December (12.9 days).
Average UV index in December
Hälleforsnäs, 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
Hälleforsnäs, Sweden
- Average cloud cover in December: 67
The months with the most cloud cover are February and December (Cloud cover 67).
The months with the least cloud cover are June and July (Cloud cover 42).
Average visibility in December
Hälleforsnäs, Sweden
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is February (7km).
