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 shift from November to December includes a small decrease in the average high-temperature, from a frosty 6.1°C (43°F) to a wintry 1.4°C (34.5°F). Janczewo Wielkie nights in December witness a mild cool down to an average temperature of -1.9°C (28.6°F).Humidity
In December, the average relative humidity in Janczewo Wielkie is 89%.Rainfall
In Janczewo Wielkie, Poland, during December, the rain falls for 8.3 days and regularly aggregates up to 19mm (0.75") of precipitation. In Janczewo Wielkie, during the entire year, the rain falls for 130.4 days and collects up to 284mm (11.18") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in Janczewo Wielkie, Poland, it is snowing for 11.3 days. Throughout December, 49mm (1.93") of snow is accumulated. In Janczewo Wielkie, during the entire year, snow falls for 54.2 days and aggregates up to 237mm (9.33") of snow.Daylight
The month with the shortest days in Janczewo Wielkie is December, with an average of 7h and 42min of daylight.On the first day of December in Janczewo Wielkie, sunrise is at 07:20 and sunset at 15:19. On the last day of the month, sunrise is at 07:42 and sunset at 15:25 CET.
Sunshine
In December, the average sunshine is 2.7h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is December in Janczewo Wielkie?
What is the average humidity in December in Janczewo Wielkie?
How many days does it rain in December in Janczewo Wielkie?
How much does it snow in Janczewo Wielkie in December?
What is the month with the shortest days in Janczewo Wielkie?
How many hours of daylight does Janczewo Wielkie have in December?
When are sunrise and sunset in December in Janczewo Wielkie?
How long on average sun shines in December in Janczewo Wielkie?
When is the lowest UV index in Janczewo Wielkie?
What is the UV index reading in December in Janczewo Wielkie?
Average temperature in December
Janczewo Wielkie, Poland
- Average high temperature in December: 1.4°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).
Average pressure in December
Janczewo Wielkie, Poland
- Average pressure in December: 1015.3mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Janczewo Wielkie, Poland
- Average wind speed in December: 13km/h
The windiest month (with the highest average wind speed) is December (13km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Janczewo Wielkie, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Janczewo Wielkie, Poland
- Average rainfall in December: 19mm
The wettest month (with the highest rainfall) is May (42mm).
The driest months (with the least rainfall) are February and March (14mm).
Average rainfall days in December
Janczewo Wielkie, Poland
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in December
Janczewo Wielkie, Poland
- Average snowfall in December: 49mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Janczewo Wielkie, Poland
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Janczewo Wielkie, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 2h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in December
Janczewo Wielkie, Poland
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in December
Janczewo Wielkie, Poland
- Average UV index in December: 1
The months with the highest UV index are 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
Janczewo Wielkie, Poland
- Average cloud cover in December: 74
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Janczewo Wielkie, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
Janczewo Wielkie, Poland
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