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
In the transition to December, Marjaniemi observes a minor drop in the average high-temperature, shifting from an icy 4.5°C (40.1°F) in November to a still cold 0.8°C (33.4°F). The nights of December in Marjaniemi anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of -1.8°C (28.8°F).Humidity
In Marjaniemi, the average relative humidity in December is 88%.Rainfall
In Marjaniemi, in December, it is raining for 12.1 days, with typically 47mm (1.85") of accumulated precipitation. Throughout the year, there are 144.6 rainfall days, and 465mm (18.31") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Marjaniemi. In December, it is snowing for 15.5 days. Throughout December, 129mm (5.08") of snow is accumulated. In Marjaniemi, Finland, during the entire year, snow falls for 84.6 days and aggregates up to 688mm (27.09") of snow.Daylight
The month with the shortest days is December, with an average of 6h and 0min of daylight.On the first day of the month, sunrise is at 08:57 and sunset at 15:20. On the last day of December, in Marjaniemi, sunrise is at 09:23 and sunset at 15:21 EET.
Sunshine
With an average of 1.7h of sunshine, December has the least sunshine of the year in Marjaniemi.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Marjaniemi, Finland. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Marjaniemi?
What is the average humidity in December in Marjaniemi?
How much does it rain in Marjaniemi in December?
How many days does it snow in December in Marjaniemi?
What is the month with the shortest days in Marjaniemi?
What is the average length of the day in December in Marjaniemi?
When are sunrise and sunset in December in Marjaniemi?
What is the month with the least sunshine in Marjaniemi?
How long on average sun shines in December in Marjaniemi?
When is the lowest UV index in Marjaniemi?
What is the UV index intensity in December in Marjaniemi?
Average temperature in December
Marjaniemi, Finland
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.2°C).
- Average low temperature in December: -1.8°C
The month with the highest average low temperature is July (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).
Average pressure in December
Marjaniemi, Finland
- Average pressure in December: 1008.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in December
Marjaniemi, Finland
- Average wind speed in December: 21.1km/h
The windiest month (with the highest average wind speed) is December (21.1km/h).
The calmest month (with the lowest average wind speed) is May (13.7km/h).
Average humidity in December
Marjaniemi, Finland
- Average humidity in December: 88%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Marjaniemi, Finland
- Average rainfall in December: 47mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Marjaniemi, Finland
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Marjaniemi, Finland
- Average snowfall in December: 129mm
The month with the highest snowfall is January (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Marjaniemi, Finland
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marjaniemi, Finland
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- 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 42min).
Average sunshine days in December
Marjaniemi, Finland
- Average sunshine days in December: 5.6 days
The month with the most sunshine days is May (17 days).
The month with the least sunshine days is December (5.6 days).
Average UV index in December
Marjaniemi, 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
Marjaniemi, Finland
- Average cloud cover in December: 75
The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Marjaniemi, Finland
- Average visibility in December: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
