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
December marks a gentle change in average high-temperature, declining from November's 4.3°C (39.7°F) to a still icy 1°C (33.8°F). December nights reflect a consistent temperature dip to a subzero cold -1.3°C (29.7°F), a slight descent from daytime peaks.Humidity
In December, the average relative humidity in Nämpnäs is 85%.Rainfall
In Nämpnäs, in December, it is raining for 7.8 days, with typically 22mm (0.87") of accumulated precipitation. In Nämpnäs, Finland, during the entire year, the rain falls for 113.1 days and collects up to 265mm (10.43") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Nämpnäs, during December, snow falls for 9.7 days and regularly aggregates up to 37mm (1.46") of snow. Throughout the year, in Nämpnäs, there are 53.7 snowfall days, and 234mm (9.21") of snow is accumulated.Daylight
The month with the shortest days in Nämpnäs is December, with an average of 5h and 6min of daylight.On the first day of December, sunrise is at 09:34 and sunset at 15:14. On the last day of the month, sunrise is at 10:04 and sunset at 15:12 EET.
Sunshine
December has the least sunshine of the year, with an average of 1.5h of sunshine.UV index
January, February 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 minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Nämpnäs in December?
What is the average humidity in December in Nämpnäs?
How many days does it rain in December in Nämpnäs?
How much does it snow in Nämpnäs in December?
What is the month with the shortest days in Nämpnäs?
How many hours of daylight does Nämpnäs have in December?
What time are sunrise and sunset in December in Nämpnäs?
What is the month with the least sunshine in Nämpnäs?
How many hours of sunshine does Nämpnäs have in December?
When is the lowest UV index in Nämpnäs?
How high is the UV index in December in Nämpnäs?
Average temperature in December
Nämpnäs, Finland
- Average high temperature in December: 1°C
The warmest month (with the highest average high temperature) is August (16.8°C).
The month with the lowest average high temperature is February (-2.6°C).
- Average low temperature in December: -1.3°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in December
Nämpnäs, Finland
- Average pressure in December: 1005.7mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).
Average wind speed in December
Nämpnäs, Finland
- Average wind speed in December: 26.3km/h
The windiest month (with the highest average wind speed) is December (26.3km/h).
The calmest month (with the lowest average wind speed) is July (17.7km/h).
Average humidity in December
Nämpnäs, Finland
- Average humidity in December: 85%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Nämpnäs, Finland
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Nämpnäs, Finland
- Average rainfall days in December: 7.8 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Nämpnäs, Finland
- Average snowfall in December: 37mm
The months with the highest snowfall are January and March (53mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Nämpnäs, Finland
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Nämpnäs, Finland
- Average daylight in December: 5h and 1min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in December: 1h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in December
Nämpnäs, Finland
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is May (18.5 days).
The month with the least sunshine days is December (12.6 days).
Average UV index in December
Nämpnäs, 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 and December (UV index 1).
Average cloud cover in December
Nämpnäs, Finland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Nämpnäs, Finland
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
