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
With the arrival of December, Siwiałka notices a mild change in the average high-temperature, sliding from November's chilly 6.5°C (43.7°F) to an icy 2.1°C (35.8°F). Nights in Siwiałka during December maintain a steady temperature, averaging at a subzero cold -1.2°C (29.8°F).Humidity
The average relative humidity in December is 88%.Rainfall
In Siwiałka, in December, it is raining for 11.4 days, with typically 29mm (1.14") of accumulated precipitation. In Siwiałka, Poland, during the entire year, the rain falls for 152.8 days and collects up to 397mm (15.63") of precipitation.Snowfall
Months with snowfall in Siwiałka are January through May, October through December. In December, in Siwiałka, it is snowing for 8 days. Throughout December, 59mm (2.32") of snow is accumulated. Throughout the year, there are 42.7 snowfall days, and 279mm (10.98") of snow is accumulated.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:42 and sunset at 15:27. On the last day of the month, sunrise is at 08:05 and sunset at 15:32 CET.
Sunshine
In December, the average sunshine is 3.1h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Siwiałka. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Siwiałka in December?
What is the average humidity in December in Siwiałka?
How many days does it rain in December in Siwiałka?
How many days does it snow in December in Siwiałka?
What is the month with the shortest days in Siwiałka?
How many hours of daylight does Siwiałka have in December?
When are sunrise and sunset in December in Siwiałka?
How long on average sun shines in December in Siwiałka?
When is the lowest UV index in Siwiałka?
How high is the UV index in December in Siwiałka?
Average temperature in December
Siwiałka, Poland
- Average high temperature in December: 2.1°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in December: -1.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in December
Siwiałka, Poland
- Average pressure in December: 1013.8mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Siwiałka, Poland
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in December
Siwiałka, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Siwiałka, Poland
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Siwiałka, Poland
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Siwiałka, Poland
- Average snowfall in December: 59mm
The month with the highest snowfall is January (87mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siwiałka, Poland
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siwiałka, Poland
- Average daylight in December: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Siwiałka, Poland
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
Siwiałka, Poland
- Average UV index in December: 1
The months with the highest UV index are May, 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
Siwiałka, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Siwiałka, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
