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 transition into December indicates a reduction in the average high-temperature, down to a cold 1.4°C (34.5°F) from November's chilly 6.7°C (44.1°F). December registers an average low temperature of -1.9°C (28.6°F), subtly lower than the daytime maximum.Humidity
In December, the average relative humidity is 88%.Rainfall
In Wola Siennicka, in December, during 11.4 rainfall days, 42mm (1.65") of precipitation is typically accumulated. In Wola Siennicka, during the entire year, the rain falls for 158.7 days and collects up to 514mm (20.24") of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, in Wola Siennicka, it is snowing for 14.7 days. Throughout December, 141mm (5.55") of snow is accumulated. In Wola Siennicka, during the entire year, snow falls for 67.2 days and aggregates up to 594mm (23.39") of snow.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year in Wola Siennicka.On the first day of the month, sunrise is at 07:08 and sunset at 15:23. On the last day of December, sunrise is at 07:29 and sunset at 15:30 CET.
Sunshine
The average sunshine in December in Wola Siennicka, Poland, is 3h.UV index
The months with the lowest UV index in Wola Siennicka are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Wola Siennicka in December?
What is the average humidity in December in Wola Siennicka?
How many days does it rain in December in Wola Siennicka?
How much does it snow in Wola Siennicka in December?
What is the month with the shortest days in Wola Siennicka?
How many hours of daylight does Wola Siennicka have in December?
When are sunrise and sunset in December in Wola Siennicka?
How many hours of sunshine does Wola Siennicka have in December?
When is the lowest UV index in Wola Siennicka?
How high is the UV index in December in Wola Siennicka?
Average temperature in December
Wola Siennicka, Poland
- Average high temperature in December: 1.4°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in December
Wola Siennicka, Poland
- Average pressure in December: 1017.3mbar
The month with the highest atmospheric pressure is October (1019mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in December
Wola Siennicka, Poland
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in December
Wola Siennicka, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Wola Siennicka, Poland
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is May (70mm).
The driest month (with the least rainfall) is November (25mm).
Average rainfall days in December
Wola Siennicka, Poland
- Average rainfall days in December: 11.4 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
Wola Siennicka, Poland
- Average snowfall in December: 141mm
The month with the highest snowfall is January (189mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Wola Siennicka, Poland
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wola Siennicka, Poland
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Wola Siennicka, Poland
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is September (16.6 days).
The months with the least sunshine days are January and February (6.8 days).
Average UV index in December
Wola Siennicka, 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 and December (UV index 1).
Average cloud cover in December
Wola Siennicka, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Wola Siennicka, Poland
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).
