December weather forecastUumaa, Sweden
December
Weather in December
December, the first month of the winter in Uumaa, is also a subzero cold month, with temperature in the range of an average high of -4.8°C (23.4°F) and an average low of -9.6°C (14.7°F).Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's -1.6°C (29.1°F) to a still subzero cold -4.8°C (23.4°F). A steady low-temperature average of -9.6°C (14.7°F) is logged during December, reflecting a modest dip from daytime readings.Humidity
In December, the average relative humidity in Uumaa is 95%.Rainfall
The wettest months in Uumaa are July and December, with an average 47mm (1.85") of rainfall.Snowfall
Months with snowfall are January through June, September through December. December is the month with the most snowfall. Snow falls for 20.5 days and accumulates 319mm (12.56") of snow.Daylight
With an average of 2h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 09:26 and sunset at 13:05. On the last day of December, in Uumaa, sunrise is at 10:11 and sunset at 12:48 CET.
Sunshine
With an average of 1.1h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Uumaa, Sweden
- Average high temperature in December: -4.8°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (-8.2°C).
- Average low temperature in December: -9.6°C
The month with the highest average low temperature is July (10.9°C).
The coldest month (with the lowest average low temperature) is January (-13.8°C).
Average pressure in December
Uumaa, 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
Uumaa, Sweden
- Average wind speed in December: 10.2km/h
The windiest month (with the highest average wind speed) is March (10.8km/h).
The calmest month (with the lowest average wind speed) is April (9.2km/h).
Average humidity in December
Uumaa, Sweden
- Average humidity in December: 95%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is June (65%).
Average rainfall in December
Uumaa, Sweden
- Average rainfall in December: 47mm
The wettest months (with the highest rainfall) are July and December (47mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Uumaa, Sweden
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in December
Uumaa, Sweden
- Average snowfall in December: 319mm
The month with the highest snowfall is December (319mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Uumaa, Sweden
- Average snowfall days in December: 20.5 days
The month with the highest number of snowfall days is December (20.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Uumaa, Sweden
- Average daylight in December: 2h and 36min
The month with the longest days is May (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 2h and 36min).
- Average sunshine in December: 1h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in December
Uumaa, Sweden
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is April (7.6 days).
Average UV index in December
Uumaa, Sweden
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Uumaa, Sweden
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in December
Uumaa, Sweden
- Average visibility in December: 5km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February, March, April and December (5km).
