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
Weather in December
Temperature
The average high-temperature shows a slight dip in December, from November's chilly 6.2°C (43.2°F) to a wintry 1.4°C (34.5°F). During the nights of December, Suwaki maintains an almost steady temperature with an average low of -1.9°C (28.6°F).Humidity
In December, the average relative humidity is 89%.Rainfall
In Suwaki, in December, it is raining for 9.1 days, with typically 20mm (0.79") of accumulated precipitation. In Suwaki, during the entire year, the rain falls for 126.8 days and collects up to 277mm (10.91") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Suwaki, during December, snow falls for 10.2 days and regularly aggregates up to 56mm (2.2") of snow. In Suwaki, during the entire year, snow falls for 46.4 days and aggregates up to 230mm (9.06") of snow.Daylight
December has the shortest days of the year in Suwaki, with an average of 7h and 42min of daylight.On the first day of December in Suwaki, sunrise is at 07:30 and sunset at 15:27. On the last day of the month, sunrise is at 07:52 and sunset at 15:33 CET.
Sunshine
The average sunshine in December is 2.8h.UV index
January, 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 minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the UV index of 1 transforms into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is December in Suwaki?
What is the average humidity in December in Suwaki?
How many days does it rain in December in Suwaki?
How much does it snow in Suwaki in December?
What is the month with the shortest days in Suwaki?
What is the average length of the day in December in Suwaki?
When is the sunrise / sunset in December in Suwaki?
How many hours of sunshine does Suwaki have in December?
When is the lowest UV index in Suwaki?
How high is the UV index in December in Suwaki?
Average temperature in December
Suwaki, Poland
- Average high temperature in December: 1.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Suwaki, Poland
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Suwaki, Poland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Suwaki, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Suwaki, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Suwaki, Poland
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Suwaki, Poland
- Average snowfall in December: 56mm
The month with the highest snowfall is January (86mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Suwaki, Poland
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Suwaki, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Suwaki, Poland
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Suwaki, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Suwaki, Poland
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Suwaki, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
Suwaki, Poland
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