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's arrival comes with a mild decrease in the average high-temperature, moving subtly from a chilly 7.4°C (45.3°F) in November to a cold 2.5°C (36.5°F). Nighttime readings during December register a minimal drop from daytime highs, averaging at a subzero cold -0.9°C (30.4°F).Humidity
In December, the average relative humidity in Sierakówek is 87%.Rainfall
In Sierakówek, in December, during 11.3 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, there are 147.5 rainfall days, and 381mm (15") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Sierakówek, in December, snow falls for 8.5 days, with typically accumulated 45mm (1.77") of snow. Throughout the year, there are 38.2 snowfall days, and 241mm (9.49") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 07:30 and sunset at 15:32. On the last day of December, in Sierakówek, sunrise is at 07:52 and sunset at 15:38 CET.
Sunshine
In December, the average sunshine in Sierakówek, Poland, is 3.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sierakówek?
What is the average humidity in December in Sierakówek?
How much does it rain in Sierakówek in December?
How much does it snow in Sierakówek in December?
What is the month with the shortest days in Sierakówek?
What is the average length of the day in December in Sierakówek?
When are sunrise and sunset in December in Sierakówek?
How long on average sun shines in December in Sierakówek?
What is the month with the lowest UV index in Sierakówek?
What is the UV index reading in December in Sierakówek?
Average temperature in December
Sierakówek, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in December: -0.9°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in December
Sierakówek, Poland
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in December
Sierakówek, Poland
- Average wind speed in December: 15.7km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Sierakówek, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Sierakówek, Poland
- Average rainfall in December: 27mm
The wettest months (with the highest rainfall) are May and June (50mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in December
Sierakówek, Poland
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Sierakówek, Poland
- Average snowfall in December: 45mm
The month with the highest snowfall is January (83mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sierakówek, Poland
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sierakówek, Poland
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Sierakówek, Poland
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
Sierakówek, 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 and December (UV index 1).
Average cloud cover in December
Sierakówek, Poland
- 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 August (Cloud cover 31).
Average visibility in December
Sierakówek, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).
