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 December's onset, the weather shows a temperature decrease, transitioning from an icy 5.5°C (41.9°F) in November to a still wintry 0.5°C (32.9°F). A consistent average low-temperature of -2.6°C (27.3°F), with a minor variance from the daytime highs, is noted in Siderka during the nights of December.Humidity
The average relative humidity in December is 91%.Rainfall
In Siderka, in December, it is raining for 10.5 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Siderka, there are 156.6 rainfall days, and 459mm (18.07") of precipitation is accumulated.Snowfall
Months with snowfall in Siderka are January through May, October through December. In Siderka, in December, snow falls for 13.4 days, with typically accumulated 110mm (4.33") of snow. Throughout the year, there are 65.1 snowfall days, and 519mm (20.43") of snow is accumulated.Daylight
With an average of 7h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:20 and sunset at 15:10. On the last day of December, in Siderka, Poland, sunrise is at 07:42 and sunset at 15:16 CET.
Sunshine
In December, the average sunshine is 1.7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Siderka in December?
What is the average humidity in December in Siderka?
How much does it rain in Siderka in December?
How much does it snow in Siderka in December?
What is the month with the shortest days in Siderka?
How many hours of daylight does Siderka have in December?
When are sunrise and sunset in December in Siderka?
How many hours of sunshine does Siderka have in December?
When is the lowest UV index in Siderka?
What is the UV index intensity in December in Siderka?
Average temperature in December
Siderka, Poland
- Average high temperature in December: 0.5°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in December: -2.6°C
The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in December
Siderka, Poland
- Average pressure in December: 1015.1mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in December
Siderka, Poland
- Average wind speed in December: 13.4km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in December
Siderka, Poland
- Average humidity in December: 91%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in December
Siderka, Poland
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is June (59mm).
The driest months (with the least rainfall) are February and April (25mm).
Average rainfall days in December
Siderka, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (19.9 days).
The months with the least rainy days are January and February (7.5 days).
Average snowfall in December
Siderka, Poland
- Average snowfall in December: 110mm
The month with the highest snowfall is January (155mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Siderka, Poland
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Siderka, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 1h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in December
Siderka, Poland
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in December
Siderka, Poland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Siderka, Poland
- Average cloud cover in December: 77
The month with the most cloud cover is February (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Siderka, Poland
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is January (6km).
