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
The shift into December records an average high-temperature of a still freezing cold -3.9°C (25°F), subtly varied from November's -1°C (30.2°F). Hammerdal's December nights observe a minor shift from the daytime temperatures, resulting in an average dip to a still subzero cold -8.6°C (16.5°F).Humidity
The average relative humidity in December is 93%.Rainfall
In December, in Hammerdal, the rain falls for 5.9 days. Throughout December, 46mm (1.81") of precipitation is accumulated. Throughout the year, there are 127.8 rainfall days, and 497mm (19.57") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Hammerdal. The month with the most snowfall is December, when snow falls for 20.3 days and typically aggregates up to 328mm (12.91") of snow.Daylight
With an average of 4h and 42min of daylight, December has the shortest days of the year in Hammerdal, Sweden.On the first day of December, sunrise is at 09:10 and sunset at 14:24. On the last day of the month, sunrise is at 09:42 and sunset at 14:21 CET.
Sunshine
The month with the least sunshine in Hammerdal is December, with an average of 1.3h of sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Hammerdal in December?
What is the average humidity in December in Hammerdal?
How many days does it rain in December in Hammerdal?
When does it snow the most in Hammerdal?
How much does it snow in Hammerdal in December?
What is the month with the shortest days in Hammerdal?
What is the average length of the day in December in Hammerdal?
When is the sunrise / sunset in December in Hammerdal?
What is the month with the least sunshine in Hammerdal?
How long on average sun shines in December in Hammerdal?
What is the month with the lowest UV index in Hammerdal?
What is the UV index intensity in December in Hammerdal?
Average temperature in December
Hammerdal, Sweden
- Average high temperature in December: -3.9°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (-5.6°C).
- Average low temperature in December: -8.6°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is February (-11.2°C).
Average pressure in December
Hammerdal, Sweden
- Average pressure in December: 1005.6mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1005.6mbar).
Average wind speed in December
Hammerdal, Sweden
- Average wind speed in December: 11.6km/h
The windiest month (with the highest average wind speed) is March (12.1km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Hammerdal, Sweden
- Average humidity in December: 93%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (67%).
Average rainfall in December
Hammerdal, Sweden
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is July (63mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Hammerdal, Sweden
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Hammerdal, Sweden
- Average snowfall in December: 328mm
The month with the highest snowfall is December (328mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Hammerdal, Sweden
- Average snowfall days in December: 20.3 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Hammerdal, Sweden
- Average daylight in December: 4h and 4min
The month with the longest days is June (Average daylight: 20h and 30min).
The month with the shortest days is December (Average daylight: 4h and 42min).
- Average sunshine in December: 1h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in December
Hammerdal, Sweden
- Average sunshine days in December: 9.4 days
The month with the most sunshine days is October (14.4 days).
The months with the least sunshine days are January and December (9.4 days).
Average UV index in December
Hammerdal, Sweden
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Hammerdal, Sweden
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in December
Hammerdal, Sweden
- Average visibility in December: 6km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and December (6km).
