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 start of December signals a gentle decrease in the average high-temperature, transitioning from a cold 1.5°C (34.7°F) in November to a freezing cold -2.2°C (28°F). Tomterna's nighttime temperature in December shows a minor descent, with a steady average of -5.8°C (21.6°F).Humidity
In December, the average relative humidity is 90%.Rainfall
In Tomterna, in December, during 7 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Tomterna, Sweden, during the entire year, the rain falls for 129 days and collects up to 407mm (16.02") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Tomterna, it is snowing for 15.2 days. Throughout December, 191mm (7.52") of snow is accumulated. Throughout the year, there are 79.7 snowfall days, and 956mm (37.64") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 5h and 30min of daylight.On the first day of December in Tomterna, Sweden, sunrise is at 08:45 and sunset at 14:42. On the last day of the month, sunrise is at 09:13 and sunset at 14:42 CET.
Sunshine
With an average of 1.7h of sunshine, December has the least sunshine of the year.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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. 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 December in Tomterna?
What is the average humidity in December in Tomterna?
How many days does it rain in December in Tomterna?
How much does it snow in Tomterna in December?
What is the month with the shortest days in Tomterna?
What is the average length of the day in December in Tomterna?
When is the sunrise / sunset in December in Tomterna?
What is the month with the least sunshine in Tomterna?
How long on average sun shines in December in Tomterna?
What is the month with the lowest UV index in Tomterna?
How high is the UV index in December in Tomterna?
Average temperature in December
Tomterna, Sweden
- Average high temperature in December: -2.2°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (-3.5°C).
- Average low temperature in December: -5.8°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-8.1°C).
Average pressure in December
Tomterna, Sweden
- Average pressure in December: 1006.4mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1006.4mbar).
Average wind speed in December
Tomterna, Sweden
- Average wind speed in December: 10.2km/h
The windiest month (with the highest average wind speed) is March (10.4km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in December
Tomterna, Sweden
- Average humidity in December: 90%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (67%).
Average rainfall in December
Tomterna, Sweden
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Tomterna, Sweden
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in December
Tomterna, Sweden
- Average snowfall in December: 191mm
The month with the highest snowfall is January (210mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Tomterna, Sweden
- Average snowfall days in December: 15.2 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tomterna, Sweden
- Average daylight in December: 5h and 3min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in December
Tomterna, Sweden
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is October (15.2 days).
The months with the least sunshine days are February and December (11.1 days).
Average UV index in December
Tomterna, 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, March, November and December (UV index 1).
Average cloud cover in December
Tomterna, Sweden
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 45).
Average visibility in December
Tomterna, Sweden
- Average visibility in December: 7km
The months with the highest visibility are May, June and July (9km).
The month with the lowest visibility is February (5km).
