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 commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a frosty 6.4°C (43.5°F) in November to a wintry 2°C (35.6°F). December in Sierzno witnesses a minor deviation from daytime peaks, with an average nighttime temperature of -1.5°C (29.3°F).Humidity
January and December, with an average relative humidity of 89%, are the most humid months in Sierzno.Rainfall
In Sierzno, during December, the rain falls for 10.4 days and regularly aggregates up to 25mm (0.98") of precipitation. In Sierzno, during the entire year, the rain falls for 129.1 days and collects up to 321mm (12.64") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Sierzno, it is snowing for 8.6 days. Throughout December, 42mm (1.65") of snow is accumulated. In Sierzno, during the entire year, snow falls for 41.3 days and aggregates up to 212mm (8.35") of snow.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year in Sierzno, Poland.On the first day of December, sunrise is at 07:46 and sunset at 15:31. On the last day of the month, sunrise is at 08:09 and sunset at 15:37 CET.
Sunshine
In December, the average sunshine in Sierzno is 3h.UV index
In Sierzno, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sierzno?
What are the most humid months in Sierzno?
What is the average humidity in December in Sierzno?
How many days does it rain in December in Sierzno?
How much does it snow in Sierzno in December?
What is the month with the shortest days in Sierzno?
What is the average length of the day in December in Sierzno?
What time are sunrise and sunset in December in Sierzno?
How long on average sun shines in December in Sierzno?
What is the UV index reading in December in Sierzno?
Average temperature in December
Sierzno, Poland
- Average high temperature in December: 2°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in December: -1.5°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
Sierzno, Poland
- Average pressure in December: 1014mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Sierzno, Poland
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in December
Sierzno, Poland
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Sierzno, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Sierzno, Poland
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Sierzno, Poland
- Average snowfall in December: 42mm
The month with the highest snowfall is January (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sierzno, Poland
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sierzno, Poland
- Average daylight in December: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Sierzno, Poland
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is February (12 days).
Average UV index in December
Sierzno, Poland
- Average UV index in December: 2
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 and November (UV index 1).
Average cloud cover in December
Sierzno, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Sierzno, Poland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and December (8km).
