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 onset of December results in a small decrease in the average high-temperature, moderately receding from a cold 0.6°C (33.1°F) in November to a subzero cold -2.7°C (27.1°F). Jämtön navigates through December with a barely noticeable decrease in temperature at night, stabilizing at -6.5°C (20.3°F).Humidity
In Jämtön, the average relative humidity in December is 91%.Rainfall
December is the month with the most rainfall. Rain falls for 6 days and accumulates 51mm (2.01") of precipitation.Snowfall
Months with snowfall in Jämtön are January through June, September through December. In Jämtön, during December, snow falls for 17.8 days and regularly aggregates up to 229mm (9.02") of snow. In Jämtön, during the entire year, snow falls for 96.5 days and aggregates up to 1080mm (42.52") of snow.Daylight
December has the shortest days of the year, with an average of 3h and 18min of daylight.On the first day of the month, sunrise is at 09:15 and sunset at 13:22. On the last day of December, in Jämtön, sunrise is at 09:54 and sunset at 13:11 CET.
Sunshine
With an average of 1.3h of sunshine, December has the least sunshine of the year in Jämtön.UV index
The months with the lowest UV index are January, March and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Jämtön in December?
What is the average humidity in December in Jämtön?
What is the wettest month in Jämtön?
How much does it rain in Jämtön in December?
How much does it snow in Jämtön in December?
What is the month with the shortest days in Jämtön?
How many hours of daylight does Jämtön have in December?
When are sunrise and sunset in December in Jämtön?
What is the month with the least sunshine in Jämtön?
How long on average sun shines in December in Jämtön?
What is the month with the lowest UV index in Jämtön?
How high is the UV index in December in Jämtön?
Average temperature in December
Jämtön, Sweden
- Average high temperature in December: -2.7°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-6.3°C).
- Average low temperature in December: -6.5°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).
Average pressure in December
Jämtön, Sweden
- Average pressure in December: 1004.8mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in December
Jämtön, Sweden
- Average wind speed in December: 15.9km/h
The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).
Average humidity in December
Jämtön, Sweden
- Average humidity in December: 91%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is June (68%).
Average rainfall in December
Jämtön, Sweden
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Jämtön, Sweden
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Jämtön, Sweden
- Average snowfall in December: 229mm
The month with the highest snowfall is March (231mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Jämtön, Sweden
- Average snowfall days in December: 17.8 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Jämtön, Sweden
- Average daylight in December: 3h and 2min
The month with the longest days is July (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 3h and 18min).
- Average sunshine in December: 1h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in December
Jämtön, Sweden
- Average sunshine days in December: 10.6 days
The months with the most sunshine days are June and August (16.3 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in December
Jämtön, 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, March and December (UV index 1).
Average cloud cover in December
Jämtön, Sweden
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in December
Jämtön, Sweden
- Average visibility in December: 8km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March and April (7km).
