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
In December, the meteorological conditions change slightly, with the average high-temperature moving from a chilly 6.5°C (43.7°F) in November to a wintry 2.2°C (36°F). Cierniki, during December nights, observes a steady temperature, averaging at a subzero cold -1°C (30.2°F).Humidity
The months with the highest humidity in Cierniki are January and December, with an average relative humidity of 90%.Rainfall
In December, the rain falls for 14.9 days. Throughout December, 45mm (1.77") of precipitation is accumulated. In Cierniki, during the entire year, the rain falls for 182 days and collects up to 532mm (20.94") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Cierniki, during December, snow falls for 11.5 days and regularly aggregates up to 84mm (3.31") of snow. In Cierniki, during the entire year, snow falls for 54.8 days and aggregates up to 398mm (15.67") of snow.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year.On the first day of December in Cierniki, Poland, sunrise is at 07:47 and sunset at 15:35. On the last day of the month, sunrise is at 08:09 and sunset at 15:40 CET.
Sunshine
In December, the average sunshine in Cierniki, Poland, is 2.8h.UV index
The months with the lowest UV index in Cierniki are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 1 in December translates into these instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. 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
How cold is December in Cierniki?
What is the most humid month in Cierniki?
What is the average humidity in December in Cierniki?
How many days does it rain in December in Cierniki?
How much does it snow in Cierniki in December?
What is the month with the shortest days in Cierniki?
How many hours of daylight does Cierniki have in December?
What time are sunrise and sunset in December in Cierniki?
How many hours of sunshine does Cierniki have in December?
What is the month with the lowest UV index in Cierniki?
What is the UV index intensity in December in Cierniki?
Average temperature in December
Cierniki, Poland
- Average high temperature in December: 2.2°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -1°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°C).
Average pressure in December
Cierniki, Poland
- Average pressure in December: 1013.9mbar
The month with the highest atmospheric pressure is October (1016.8mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in December
Cierniki, Poland
- Average wind speed in December: 15.1km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in December
Cierniki, Poland
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Cierniki, Poland
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Cierniki, Poland
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in December
Cierniki, Poland
- Average snowfall in December: 84mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Cierniki, Poland
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cierniki, Poland
- Average daylight in December: 7h and 3min
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 30min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Cierniki, Poland
- Average sunshine days in December: 6.6 days
The month with the most sunshine days is April (13.7 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in December
Cierniki, 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
Cierniki, Poland
- Average cloud cover in December: 74
The months with the most cloud cover are January and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Cierniki, 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).
