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 transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a wintry 4.3°C (39.7°F) in November to a still cold 0.8°C (33.4°F). Throughout December, a modest shift from daytime highs is anticipated, with an average low-temperature of -2.2°C (28°F).Humidity
The average relative humidity in December is 87%.Rainfall
In Popinniemi, during December, the rain falls for 10.4 days and regularly aggregates up to 55mm (2.17") of precipitation. Throughout the year, there are 158.3 rainfall days, and 571mm (22.48") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Popinniemi, in December, snow falls for 15.7 days, with typically accumulated 141mm (5.55") of snow. Throughout the year, there are 85.1 snowfall days, and 670mm (26.38") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 5h and 54min of daylight.On the first day of December, sunrise is at 08:52 and sunset at 15:10. On the last day of the month, sunrise is at 09:19 and sunset at 15:11 EET.
Sunshine
December has the least sunshine of the year, with an average of 1.6h 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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December in Popinniemi?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine in Popinniemi?
How many hours of sunshine does Popinniemi have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Popinniemi, Finland
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is February (-2.7°C).
- Average low temperature in December: -2.2°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (-6.3°C).
Average pressure in December
Popinniemi, Finland
- Average pressure in December: 1008.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in December
Popinniemi, Finland
- Average wind speed in December: 23.7km/h
The windiest month (with the highest average wind speed) is December (23.7km/h).
The calmest month (with the lowest average wind speed) is July (15.5km/h).
Average humidity in December
Popinniemi, Finland
- Average humidity in December: 87%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Popinniemi, Finland
- Average rainfall in December: 55mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in December
Popinniemi, Finland
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is October (17.6 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Popinniemi, Finland
- Average snowfall in December: 141mm
The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Popinniemi, Finland
- Average snowfall days in December: 15.7 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Popinniemi, Finland
- Average daylight in December: 5h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in December
Popinniemi, Finland
- Average sunshine days in December: 6.4 days
The month with the most sunshine days is May (15.2 days).
The month with the least sunshine days is December (6.4 days).
Average UV index in December
Popinniemi, Finland
- 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
Popinniemi, Finland
- Average cloud cover in December: 77
The months with the most cloud cover are January and December (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Popinniemi, Finland
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
