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
With the arrival of December, Bylew notices a mild change in the average high-temperature, sliding from November's chilly 7.6°C (45.7°F) to a wintry 2.7°C (36.9°F). Throughout December, Bylew's nights experience a slight temperature dip to a freezing cold -0.4°C (31.3°F).Humidity
In December, the average relative humidity is 87%.Rainfall
In Bylew, in December, it is raining for 11.4 days, with typically 21mm (0.83") of accumulated precipitation. In Bylew, during the entire year, the rain falls for 140.2 days and collects up to 307mm (12.09") of precipitation.Snowfall
January through May, October through December are months with snowfall in Bylew. In December, it is snowing for 8.2 days. Throughout December, 40mm (1.57") of snow is accumulated. In Bylew, during the entire year, snow falls for 36.7 days and aggregates up to 188mm (7.4") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 07:34 and sunset at 15:36. On the last day of December, in Bylew, sunrise is at 07:56 and sunset at 15:43 CET.
Sunshine
The average sunshine in December is 3.4h.UV index
The months with the lowest UV index in Bylew, Poland, are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Bylew in December?
What is the average humidity in December in Bylew?
How much does it rain in Bylew in December?
How many days does it snow in December in Bylew?
What is the month with the shortest days in Bylew?
What is the average length of the day in December in Bylew?
What time are sunrise and sunset in December in Bylew?
How many hours of sunshine does Bylew have in December?
When is the lowest UV index in Bylew?
What is the UV index reading in December in Bylew?
Average temperature in December
Bylew, Poland
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in December: -0.4°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in December
Bylew, Poland
- Average pressure in December: 1016mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in December
Bylew, Poland
- Average wind speed in December: 15.2km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Bylew, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Bylew, Poland
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is June (42mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Bylew, Poland
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in December
Bylew, Poland
- Average snowfall in December: 40mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Bylew, Poland
- Average snowfall days in December: 8.2 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bylew, Poland
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Bylew, Poland
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Bylew, 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
Bylew, Poland
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Bylew, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).
Bylew, Poland
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