December weather forecastSuininki, Finland
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Suininki, Finland, with an average temperature fluctuating between -5.6°C (21.9°F) and -9.5°C (14.9°F).Temperature
The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's freezing cold -1.7°C (28.9°F) to a still subzero cold -5.6°C (21.9°F). Nighttime temperatures record an average of -9.5°C (14.9°F) throughout December.Humidity
In Suininki, Finland, the average relative humidity in December is 96%.Rainfall
In Suininki, in December, it is raining for 2.8 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, there are 117.6 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. The month with the most snowfall is December, when snow falls for 24.5 days and typically aggregates up to 283mm (11.14") of snow.Daylight
The month with the shortest days is December, with an average of 3h and 6min of daylight.On the first day of December in Suininki, Finland, sunrise is at 09:51 and sunset at 13:50. On the last day of the month, sunrise is at 10:31 and sunset at 13:37 EET.
Sunshine
The month with the least sunshine in Suininki is December, with an average of 0.6h of sunshine.UV index
January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Suininki. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 during December translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Suininki, Finland
- Average high temperature in December: -5.6°C
The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is January (-8.4°C).
- Average low temperature in December: -9.5°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is January (-13.8°C).
Average pressure in December
Suininki, Finland
- Average pressure in December: 1006.1mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1006.1mbar).
Average wind speed in December
Suininki, Finland
- Average wind speed in December: 12.7km/h
The windiest month (with the highest average wind speed) is November (12.9km/h).
The calmest month (with the lowest average wind speed) is July (10.5km/h).
Average humidity in December
Suininki, Finland
- Average humidity in December: 96%
The month with the highest relative humidity is January (97%).
The month with the lowest relative humidity is June (70%).
Average rainfall in December
Suininki, Finland
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is July (57mm).
The driest months (with the least rainfall) are January and April (31mm).
Average rainfall days in December
Suininki, Finland
- Average rainfall days in December: 2.8 days
The month with the highest number of rainy days is August (18.4 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in December
Suininki, Finland
- Average snowfall in December: 283mm
The month with the highest snowfall is December (283mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Suininki, Finland
- Average snowfall days in December: 24.5 days
The month with the highest number of snowfall days is December (24.5 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Suininki, Finland
- Average daylight in December: 3h and 6min
The month with the longest days is July (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 3h and 6min).
- Average sunshine in December: 0h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 0h and 36min).
Average sunshine days in December
Suininki, Finland
- Average sunshine days in December: 6.3 days
The month with the most sunshine days is July (11.6 days).
The month with the least sunshine days is April (5.3 days).
Average UV index in December
Suininki, Finland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in December
Suininki, Finland
- Average cloud cover in December: 84
The month with the most cloud cover is February (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 51).
Average visibility in December
Suininki, Finland
- Average visibility in December: 5km
The months with the highest visibility are June and July (9km).
The months with the lowest visibility are January, February, March, April and December (5km).
