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 beginning of December, the average high-temperature shows a decrease, transitioning from a frosty 7.5°C (45.5°F) in November to a wintry 2.5°C (36.5°F). Janolin's December nights experience a subtle temperature dip to an average of -0.9°C (30.4°F).Humidity
The average relative humidity in December is 86%.Rainfall
In Janolin, Poland, in December, during 12.1 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Janolin, Poland, during the entire year, the rain falls for 166.9 days and collects up to 477mm (18.78") of precipitation.Snowfall
Months with snowfall in Janolin are January through May, October through December. In December, in Janolin, Poland, it is snowing for 11.3 days. Throughout December, 74mm (2.91") of snow is accumulated. In Janolin, during the entire year, snow falls for 50.6 days and aggregates up to 384mm (15.12") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 54min of daylight.On the first day of the month, sunrise is at 07:24 and sunset at 15:32. On the last day of December, in Janolin, sunrise is at 07:46 and sunset at 15:38 CET.
Sunshine
The average sunshine in December is 3.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 1 during December leads to these advisories:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Janolin?
What is the average humidity in December in Janolin?
How much does it rain in Janolin in December?
How many days does it snow in December in Janolin?
What is the month with the shortest days in Janolin?
What is the average length of the day in December in Janolin?
What time are sunrise and sunset in December in Janolin?
How many hours of sunshine does Janolin have in December?
When is the lowest UV index in Janolin?
What is the UV index reading in December in Janolin?
Average temperature in December
Janolin, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in December: -0.9°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Janolin, Poland
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in December
Janolin, Poland
- Average wind speed in December: 15.3km/h
The windiest month (with the highest average wind speed) is December (15.3km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in December
Janolin, Poland
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Janolin, Poland
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is November (23mm).
Average rainfall days in December
Janolin, Poland
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Janolin, Poland
- Average snowfall in December: 74mm
The month with the highest snowfall is January (138mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Janolin, Poland
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Janolin, Poland
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Janolin, Poland
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Janolin, 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 and December (UV index 1).
Average cloud cover in December
Janolin, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Janolin, Poland
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
