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
In Sieniewice, entering December brings a temperature decrement, reducing from November's frosty 6.5°C (43.7°F) to an icy 1.5°C (34.7°F). During the nights of December, the average low-temperature in Sieniewice, Poland, holds at a subzero cold -1.6°C (29.1°F).Humidity
In Sieniewice, the average relative humidity in December is 89%.Rainfall
In Sieniewice, during December, the rain falls for 10.5 days and regularly aggregates up to 38mm (1.5") of precipitation. In Sieniewice, during the entire year, the rain falls for 126.3 days and collects up to 347mm (13.66") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 12.6 days. Throughout December, 91mm (3.58") of snow is accumulated. In Sieniewice, during the entire year, snow falls for 58 days and aggregates up to 448mm (17.64") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year in Sieniewice.On the first day of the month, sunrise is at 07:17 and sunset at 15:19. On the last day of December, sunrise is at 07:39 and sunset at 15:25 CET.
Sunshine
In Sieniewice, the average sunshine in December is 2.9h.UV index
January 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 minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Sieniewice?
What is the average humidity in December in Sieniewice?
How many days does it rain in December in Sieniewice?
How many days does it snow in December in Sieniewice?
What is the month with the shortest days in Sieniewice?
How many hours of daylight does Sieniewice have in December?
What time are sunrise and sunset in December in Sieniewice?
How many hours of sunshine does Sieniewice have in December?
What are the months with the lowest UV index in Sieniewice?
What is the UV index intensity in December in Sieniewice?
Average temperature in December
Sieniewice, Poland
- Average high temperature in December: 1.5°C
The warmest months (with the highest average high temperature) are July and August (24.5°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in December: -1.6°C
The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Sieniewice, Poland
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Sieniewice, 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 (10km/h).
Average humidity in December
Sieniewice, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Sieniewice, Poland
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Sieniewice, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Sieniewice, Poland
- Average snowfall in December: 91mm
The month with the highest snowfall is January (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Sieniewice, Poland
- Average snowfall days in December: 12.6 days
The month with the highest number of snowfall days is January (17.4 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
Sieniewice, 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: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in December
Sieniewice, Poland
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is January (8.8 days).
Average UV index in December
Sieniewice, 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
Sieniewice, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Sieniewice, Poland
- Average visibility in December: 8km
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).
