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 arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 6.8°C (44.2°F) to a cold 1.5°C (34.7°F). Throughout December, Siostrzytów reports a steady low-temperature average of -1.9°C (28.6°F), slightly lower than its daytime counterpart.Humidity
In Siostrzytów, the average relative humidity in December is 88%.Rainfall
In Siostrzytów, Poland, in December, during 10.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Siostrzytów, during the entire year, the rain falls for 149.6 days and collects up to 473mm (18.62") of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 13.2 days. Throughout December, 114mm (4.49") of snow is accumulated. Throughout the year, there are 57.9 snowfall days, and 509mm (20.04") of snow is accumulated.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:10 and sunset at 15:24. On the last day of December, sunrise is at 07:31 and sunset at 15:30 CET.
Sunshine
In Siostrzytów, Poland, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index in Siostrzytów are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 1 during December translates into the following guidance:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Siostrzytów?
What is the average humidity in December in Siostrzytów?
How much does it rain in Siostrzytów in December?
How many days does it snow in December in Siostrzytów?
What is the month with the shortest days in Siostrzytów?
How many hours of daylight does Siostrzytów have in December?
What time are sunrise and sunset in December in Siostrzytów?
How many hours of sunshine does Siostrzytów have in December?
When is the lowest UV index in Siostrzytów?
What is the UV index intensity in December in Siostrzytów?
Average temperature in December
Siostrzytów, Poland
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Siostrzytów, Poland
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Siostrzytów, Poland
- Average wind speed in December: 13.4km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Siostrzytów, 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
Siostrzytów, Poland
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is May (62mm).
The driest month (with the least rainfall) is November (24mm).
Average rainfall days in December
Siostrzytów, Poland
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in December
Siostrzytów, Poland
- Average snowfall in December: 114mm
The month with the highest snowfall is January (158mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Siostrzytów, Poland
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is January (16.9 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
Siostrzytów, 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: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Siostrzytów, Poland
- Average sunshine days in December: 9.9 days
The months with the most sunshine days are October and November (16.1 days).
The month with the least sunshine days is July (9.1 days).
Average UV index in December
Siostrzytów, Poland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Siostrzytów, 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
Siostrzytów, 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).
