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 subtly indicates a reduction in the average high-temperature, down to a freezing cold -3°C (26.6°F) from November's icy 1.1°C (34°F). Lumijoki's nighttime temperatures in December see a subtle dip to an average of -6.4°C (20.5°F).Humidity
In Lumijoki, Finland, the average relative humidity in December is 93%.Rainfall
In December, in Lumijoki, the rain falls for 6.4 days. Throughout December, 44mm (1.73") of precipitation is accumulated. Throughout the year, there are 117.3 rainfall days, and 434mm (17.09") of precipitation is accumulated.Snowfall
Months with snowfall in Lumijoki are January through May, September through December. In Lumijoki, in December, snow falls for 20.9 days, with typically accumulated 230mm (9.06") of snow. Throughout the year, in Lumijoki, there are 107.1 snowfall days, and 1131mm (44.53") of snow is accumulated.Daylight
With an average of 4h and 0min of daylight, December has the shortest days of the year in Lumijoki.On the first day of December in Lumijoki, sunrise is at 09:48 and sunset at 14:28. On the last day of the month, sunrise is at 10:23 and sunset at 14:21 EET.
Sunshine
The month with the least sunshine is December, with an average of 1h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Lumijoki?
What is the average humidity in December in Lumijoki?
How many days does it rain in December in Lumijoki?
How much does it snow in Lumijoki in December?
What is the month with the shortest days in Lumijoki?
What is the average length of the day in December in Lumijoki?
When is the sunrise / sunset in December in Lumijoki?
What is the month with the least sunshine in Lumijoki?
How many hours of sunshine does Lumijoki have in December?
What are the months with the lowest UV index in Lumijoki?
What is the UV index intensity in December in Lumijoki?
Average temperature in December
Lumijoki, Finland
- Average high temperature in December: -3°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in December: -6.4°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-10.6°C).
Average pressure in December
Lumijoki, Finland
- Average pressure in December: 1005.4mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed in December
Lumijoki, Finland
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is November (13.7km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).
Average humidity in December
Lumijoki, Finland
- Average humidity in December: 93%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (69%).
Average rainfall in December
Lumijoki, Finland
- Average rainfall in December: 44mm
The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and September (25mm).
Average rainfall days in December
Lumijoki, Finland
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Lumijoki, Finland
- Average snowfall in December: 230mm
The month with the highest snowfall is March (232mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Lumijoki, Finland
- Average snowfall days in December: 20.9 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Lumijoki, Finland
- Average daylight in December: 4h and 0min
The month with the longest days is June (Average daylight: 21h and 30min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in December: 1h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).
Average sunshine days in December
Lumijoki, Finland
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is June (17 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in December
Lumijoki, 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
Lumijoki, Finland
- Average cloud cover in December: 76
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in December
Lumijoki, Finland
- Average visibility in December: 7km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (6km).
