December weather forecastJonki, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Jonki, Poland, with temperature in the range of an average low of -1.5°C (29.3°F) and an average high of 2°C (35.6°F).Temperature
The average high-temperature slightly decreases in December, shifting from a frosty 6.4°C (43.5°F) in November to an icy 2°C (35.6°F). Nights during December maintain a steady temperature, averaging at a subzero cold -1.5°C (29.3°F).Humidity
January and December, with an average relative humidity of 89%, are the most humid months in Jonki.Rainfall
In Jonki, during December, the rain falls for 10.4 days and regularly aggregates up to 25mm (0.98") of precipitation. In Jonki, Poland, during the entire year, the rain falls for 129.1 days and collects up to 321mm (12.64") of precipitation.Snowfall
Months with snowfall in Jonki are January through May, October through December. In Jonki, in December, snow falls for 8.6 days, with typically accumulated 42mm (1.65") of snow. In Jonki, during the entire year, snow falls for 41.3 days and aggregates up to 212mm (8.35") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 30min of daylight.On the first day of the month, sunrise is at 07:45 and sunset at 15:33. On the last day of December, sunrise is at 08:08 and sunset at 15:38 CET.
Sunshine
In Jonki, the average sunshine in December is 3h.UV index
In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jonki, Poland
- Average high temperature in December: 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 (-0.2°C).
- Average low temperature in December: -1.5°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 (-3.5°C).
Average pressure in December
Jonki, Poland
- Average pressure in December: 1014mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Jonki, Poland
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in December
Jonki, Poland
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Jonki, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Jonki, Poland
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Jonki, Poland
- Average snowfall in December: 42mm
The month with the highest snowfall is January (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jonki, Poland
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jonki, Poland
- Average daylight in December: 7h and 30min
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: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Jonki, Poland
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is February (12 days).
Average UV index in December
Jonki, Poland
- Average UV index in December: 2
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 November (UV index 1).
Average cloud cover in December
Jonki, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Jonki, Poland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and December (8km).
