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 comes with a decrease in the average high-temperature, falling from a chilly 6.1°C (43°F) in November to a cold 0.8°C (33.4°F). In Piotrowo-Trojany, nights during December observe an average temperature decrease to a subzero cold -2.1°C (28.2°F).Humidity
In December, the average relative humidity is 90%.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 163.9 rainfall days, and 512mm (20.16") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Piotrowo-Trojany, in December, snow falls for 15.2 days, with typically accumulated 121mm (4.76") of snow. In Piotrowo-Trojany, during the entire year, snow falls for 70.6 days and aggregates up to 580mm (22.83") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 07:17 and sunset at 15:17. On the last day of the month, sunrise is at 07:39 and sunset at 15:23 CET.
Sunshine
In Piotrowo-Trojany, the average sunshine in December is 2.8h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Piotrowo-Trojany have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December in Piotrowo-Trojany?
Average temperature in December
Piotrowo-Trojany, Poland
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in December: -2.1°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in December
Piotrowo-Trojany, Poland
- Average pressure in December: 1015.8mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Piotrowo-Trojany, Poland
- Average wind speed in December: 14.2km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in December
Piotrowo-Trojany, Poland
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in December
Piotrowo-Trojany, Poland
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Piotrowo-Trojany, Poland
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Piotrowo-Trojany, Poland
- Average snowfall in December: 121mm
The month with the highest snowfall is January (187mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Piotrowo-Trojany, Poland
- Average snowfall days in December: 15.2 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Piotrowo-Trojany, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in December
Piotrowo-Trojany, Poland
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in December
Piotrowo-Trojany, 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, February, November and December (UV index 1).
Average cloud cover in December
Piotrowo-Trojany, Poland
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Piotrowo-Trojany, 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).
