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 start of December involves a temperature drop, moving from 5.9°C (42.6°F) in November to a still wintry 0.8°C (33.4°F). Nighttime temperatures in Ostrów Północny hover around an average low of -2°C (28.4°F) in December, a slight descent from daytime highs.Humidity
In December, the average relative humidity in Ostrów Północny, Poland, is 90%.Rainfall
In Ostrów Północny, Poland, during December, the rain falls for 11.4 days and regularly aggregates up to 43mm (1.69") of precipitation. In Ostrów Północny, during the entire year, the rain falls for 164.4 days and collects up to 515mm (20.28") of precipitation.Snowfall
January through April, October through December are months with snowfall in Ostrów Północny. In Ostrów Północny, during December, snow falls for 15.5 days and regularly aggregates up to 126mm (4.96") of snow. Throughout the year, there are 71.5 snowfall days, and 596mm (23.46") of snow is accumulated.Daylight
The month with the shortest days in Ostrów Północny, Poland, is December, with an average of 7h and 36min of daylight.On the first day of the month, sunrise is at 07:17 and sunset at 15:11. On the last day of December, sunrise is at 07:40 and sunset at 15:16 CET.
Sunshine
In December, the average sunshine is 2.6h.UV index
The months with the lowest UV index in Ostrów Północny are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is it in Ostrów Północny in December?
What is the average humidity in December in Ostrów Północny?
How much does it rain in Ostrów Północny in December?
How many days does it snow in December in Ostrów Północny?
What is the month with the shortest days in Ostrów Północny?
How many hours of daylight does Ostrów Północny have in December?
When is the sunrise / sunset in December in Ostrów Północny?
How many hours of sunshine does Ostrów Północny have in December?
What is the month with the lowest UV index in Ostrów Północny?
How high is the UV index in December in Ostrów Północny?
Average temperature in December
Ostrów Północny, Poland
- Average high temperature in December: 0.8°C
The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in December: -2°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in December
Ostrów Północny, Poland
- Average pressure in December: 1015.5mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in December
Ostrów Północny, Poland
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Ostrów Północny, Poland
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in December
Ostrów Północny, Poland
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Ostrów Północny, Poland
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Ostrów Północny, Poland
- Average snowfall in December: 126mm
The month with the highest snowfall is January (192mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Ostrów Północny, Poland
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ostrów Północny, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 12min).
Average sunshine days in December
Ostrów Północny, Poland
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are January and February (6.8 days).
Average UV index in December
Ostrów Północny, 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
Ostrów Północny, Poland
- Average cloud cover in December: 75
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Ostrów Północny, Poland
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).
Ostrów Północny, Poland
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