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 onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 7°C (44.6°F) in November to an icy 0.7°C (33.3°F). Cisna's nighttime average temperature in December subtly descends to a freezing cold -3.5°C (25.7°F) from the daily highs.Humidity
In December, the average relative humidity is 89%.Rainfall
In Cisna, in December, it is raining for 7.2 days, with typically 43mm (1.69") of accumulated precipitation. In Cisna, Poland, during the entire year, the rain falls for 144.5 days and collects up to 539mm (21.22") of precipitation.Snowfall
January through May, October through December are months with snowfall in Cisna. December is the month with the most snowfall. Snow falls for 13.6 days and accumulates 220mm (8.66") of snow.Daylight
December has the shortest days of the year in Cisna, with an average of 8h and 18min of daylight.On the first day of December, sunrise is at 07:04 and sunset at 15:35. On the last day of the month, sunrise is at 07:25 and sunset at 15:42 CET.
Sunshine
In Cisna, the average sunshine in December is 3.6h.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index in Cisna. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Cisna?
What is the average humidity in December in Cisna?
How much does it rain in Cisna in December?
When does it snow the most in Cisna?
How many days does it snow in December in Cisna?
What is the month with the shortest days in Cisna?
How many hours of daylight does Cisna have in December?
When are sunrise and sunset in December in Cisna?
How long on average sun shines in December in Cisna?
When is the lowest UV index in Cisna?
How high is the UV index in December in Cisna?
Average temperature in December
Cisna, Poland
- Average high temperature in December: 0.7°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in December: -3.5°C
The month with the highest average low temperature is July (11.9°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in December
Cisna, Poland
- Average pressure in December: 1019.2mbar
The months with the highest atmospheric pressure are October and December (1019.2mbar).
The month with the lowest atmospheric pressure is June (1014.3mbar).
Average wind speed in December
Cisna, Poland
- Average wind speed in December: 13.6km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in December
Cisna, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Cisna, Poland
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is May (76mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in December
Cisna, Poland
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (7 days).
Average snowfall in December
Cisna, Poland
- Average snowfall in December: 220mm
The month with the highest snowfall is December (220mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Cisna, Poland
- Average snowfall days in December: 13.6 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cisna, Poland
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Cisna, Poland
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in December
Cisna, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Cisna, Poland
- Average cloud cover in December: 67
The months with the most cloud cover are January and February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Cisna, Poland
- Average visibility in December: 7km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, February and December (7km).
