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
The beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 6.1°C (43°F) in November to an icy 0.8°C (33.4°F). Siedlece experiences an average nighttime temperature of -2.1°C (28.2°F) in December, reflecting a minor difference from the day's peak.Humidity
In December, the average relative humidity in Siedlece is 90%.Rainfall
In Siedlece, in December, during 11.7 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, in Siedlece, there are 163.9 rainfall days, and 512mm (20.16") of precipitation is accumulated.Snowfall
Months with snowfall in Siedlece, Poland, are January through April, October through December. In Siedlece, in December, during 15.2 snowfall days, 121mm (4.76") of snow is typically accumulated. Throughout the year, there are 70.6 snowfall days, and 580mm (22.83") of snow is accumulated.Daylight
The month with the shortest days is December, 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
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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Siedlece?
What is the average humidity in December in Siedlece?
How many days does it rain in December in Siedlece?
How much does it snow in Siedlece in December?
What is the month with the shortest days in Siedlece?
What is the average length of the day in December in Siedlece?
When is the sunrise / sunset in December in Siedlece?
How long on average sun shines in December in Siedlece?
When is the lowest UV index in Siedlece?
How high is the UV index in December in Siedlece?
Average temperature in December
Siedlece, 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
Siedlece, 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
Siedlece, 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
Siedlece, 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
Siedlece, 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
Siedlece, 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
Siedlece, 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
Siedlece, 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
Siedlece, 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
Siedlece, 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
Siedlece, 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
Siedlece, 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
Siedlece, 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).
