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
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's frosty 6.5°C (43.7°F) to a cold 2.1°C (35.8°F). Throughout December, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of -1.2°C (29.8°F).Humidity
The average relative humidity in December in Janiszewko, Poland, is 88%.Rainfall
In Janiszewko, during December, the rain falls for 11.4 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 152.8 rainfall days, and 397mm (15.63") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Janiszewko, Poland, during December, snow falls for 8 days and regularly aggregates up to 59mm (2.32") of snow. Throughout the year, in Janiszewko, Poland, there are 42.7 snowfall days, and 279mm (10.98") of snow is accumulated.Daylight
December has the shortest days of the year in Janiszewko, with an average of 7h and 30min of daylight.On the first day of the month, sunrise is at 07:40 and sunset at 15:27. On the last day of December, in Janiszewko, sunrise is at 08:03 and sunset at 15:33 CET.
Sunshine
The average sunshine in December is 3.1h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Janiszewko?
What is the average humidity in December in Janiszewko?
How much does it rain in Janiszewko in December?
How much does it snow in Janiszewko in December?
What is the month with the shortest days in Janiszewko?
What is the average length of the day in December in Janiszewko?
What time are sunrise and sunset in December in Janiszewko?
How long on average sun shines in December in Janiszewko?
What is the month with the lowest UV index in Janiszewko?
What is the UV index intensity in December in Janiszewko?
Average temperature in December
Janiszewko, Poland
- Average high temperature in December: 2.1°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (0°C).
- Average low temperature in December: -1.2°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
Janiszewko, Poland
- Average pressure in December: 1013.8mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Janiszewko, Poland
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is December (14.1km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in December
Janiszewko, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Janiszewko, Poland
- Average rainfall in December: 29mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Janiszewko, Poland
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Janiszewko, Poland
- Average snowfall in December: 59mm
The month with the highest snowfall is January (87mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Janiszewko, Poland
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Janiszewko, 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: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Janiszewko, Poland
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
Janiszewko, 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
Janiszewko, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Janiszewko, 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).
