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
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a cold 1.5°C (34.7°F) in November to a subzero cold -2.7°C (27.1°F). An average low-temperature of -5.7°C (21.7°F) characterizes Nilsiä's December nights.Humidity
In December, the average relative humidity is 93%.Rainfall
In Nilsiä, during December, the rain falls for 5.2 days and regularly aggregates up to 40mm (1.57") of precipitation. Throughout the year, there are 106.5 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In December, it is snowing for 21.1 days. Throughout December, 216mm (8.5") of snow is accumulated. Throughout the year, there are 110.8 snowfall days, and 1074mm (42.28") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 4h and 48min of daylight.On the first day of December in Nilsiä, sunrise is at 09:14 and sunset at 14:38. On the last day of the month, sunrise is at 09:45 and sunset at 14:35 EET.
Sunshine
December has the least sunshine of the year, with an average of 0.8h 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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Nilsiä have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Nilsiä have in December?
What is the month with the lowest UV index?
How high is the UV index in December in Nilsiä?
Average temperature in December
Nilsiä, Finland
- Average high temperature in December: -2.7°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in December: -5.7°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-9.9°C).
Average pressure in December
Nilsiä, Finland
- Average pressure in December: 1008mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in December
Nilsiä, Finland
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is November (15km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).
Average humidity in December
Nilsiä, 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 (68%).
Average rainfall in December
Nilsiä, Finland
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in December
Nilsiä, Finland
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in December
Nilsiä, Finland
- Average snowfall in December: 216mm
The month with the highest snowfall is January (230mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Nilsiä, Finland
- Average snowfall days in December: 21.1 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Nilsiä, Finland
- Average daylight in December: 4h and 5min
The month with the longest days is June (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 4h and 48min).
- Average sunshine in December: 0h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in December
Nilsiä, Finland
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
Nilsiä, 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
Nilsiä, Finland
- Average cloud cover in December: 81
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Nilsiä, Finland
- Average visibility in December: 7km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (5km).
