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 start of December signals a gentle decrease in the average high-temperature, transitioning from a chilly 6.8°C (44.2°F) in November to a cold 3.5°C (38.3°F). The temperature in Hjälm during December experiences a small drop from daytime peaks, recording an average of 0.9°C (33.6°F) at night.Humidity
January, February and December, with an average relative humidity of 86%, are the most humid months in Hjälm, Sweden.Rainfall
In Hjälm, during December, the rain falls for 16.1 days and regularly aggregates up to 51mm (2.01") of precipitation. In Hjälm, during the entire year, the rain falls for 175.7 days and collects up to 549mm (21.61") of precipitation.Snowfall
January through May, October through December are months with snowfall. In Hjälm, in December, snow falls for 4.5 days, with typically accumulated 29mm (1.14") of snow. In Hjälm, during the entire year, snow falls for 24.3 days and aggregates up to 141mm (5.55") of snow.Daylight
December has the shortest days of the year, with an average of 6h and 42min of daylight.On the first day of December, sunrise is at 08:28 and sunset at 15:32. On the last day of the month, sunrise is at 08:52 and sunset at 15:36 CET.
Sunshine
In December, the average sunshine is 3.6h.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold does it get in Hjälm in December?
What are the most humid months in Hjälm?
What is the average humidity in December in Hjälm?
How many days does it rain in December in Hjälm?
How much does it snow in Hjälm in December?
What is the month with the shortest days in Hjälm?
How many hours of daylight does Hjälm have in December?
When are sunrise and sunset in December in Hjälm?
How many hours of sunshine does Hjälm have in December?
What is the UV index reading in December in Hjälm?
Average temperature in December
Hjälm, Sweden
- Average high temperature in December: 3.5°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (1.7°C).
- Average low temperature in December: 0.9°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is February (-1.4°C).
Average pressure in December
Hjälm, Sweden
- Average pressure in December: 1009mbar
The month with the highest atmospheric pressure is April (1014.8mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in December
Hjälm, Sweden
- Average wind speed in December: 22.1km/h
The windiest month (with the highest average wind speed) is December (22.1km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity in December
Hjälm, Sweden
- Average humidity in December: 86%
The months with the highest relative humidity are January, February and December (86%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in December
Hjälm, Sweden
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is August (68mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Hjälm, Sweden
- Average rainfall days in December: 16.1 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in December
Hjälm, Sweden
- Average snowfall in December: 29mm
The month with the highest snowfall is February (42mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Hjälm, Sweden
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hjälm, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are February and November (Average sunshine: 3h and 24min).
Average sunshine days in December
Hjälm, Sweden
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is August (9.5 days).
Average UV index in December
Hjälm, 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
Hjälm, Sweden
- Average cloud cover in December: 65
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 40).
Average visibility in December
Hjälm, Sweden
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
Hjälm, Sweden
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