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 December's arrival, Jaczków sees a decrease in average high-temperatures, moving from a frosty 7.5°C (45.5°F) in November to a wintry 2.4°C (36.3°F). In Jaczków, nights during December observe an average temperature decrease to a freezing cold -1.7°C (28.9°F).Humidity
In Jaczków, the average relative humidity in December is 86%.Rainfall
In December, the rain falls for 11.5 days. Throughout December, 31mm (1.22") of precipitation is accumulated. Throughout the year, in Jaczków, there are 172.5 rainfall days, and 556mm (21.89") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Jaczków, during December, snow falls for 9.5 days and regularly aggregates up to 102mm (4.02") of snow. Throughout the year, there are 55.8 snowfall days, and 623mm (24.53") of snow is accumulated.Daylight
The month with the shortest days in Jaczków is December, with an average of 8h and 0min of daylight.On the first day of the month, sunrise is at 07:36 and sunset at 15:53. On the last day of December, in Jaczków, sunrise is at 07:57 and sunset at 15:59 CET.
Sunshine
In Jaczków, Poland, the average sunshine in December is 4.2h.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 rays for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Jaczków in December?
What is the average humidity in December in Jaczków?
How much does it rain in Jaczków in December?
How many days does it snow in December in Jaczków?
What is the month with the shortest days in Jaczków?
What is the average length of the day in December in Jaczków?
When is the sunrise / sunset in December in Jaczków?
How many hours of sunshine does Jaczków have in December?
What is the UV index reading in December in Jaczków?
Average temperature in December
Jaczków, Poland
- Average high temperature in December: 2.4°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -1.7°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Jaczków, Poland
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in December
Jaczków, Poland
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in December
Jaczków, Poland
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Jaczków, Poland
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is July (84mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in December
Jaczków, Poland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Jaczków, Poland
- Average snowfall in December: 102mm
The month with the highest snowfall is January (161mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jaczków, Poland
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jaczków, Poland
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Jaczków, Poland
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is June (5.6 days).
Average UV index in December
Jaczków, Poland
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Jaczków, Poland
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Jaczków, 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).
