December weather forecastCiasna, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Ciasna, Poland, with an average temperature varying between -1°C (30.2°F) and 2.3°C (36.1°F).Temperature
As November transitions into December, Ciasna sees a drop in the average high-temperature, transitioning from a frosty 7.7°C (45.9°F) to a wintry 2.3°C (36.1°F). Ciasna experiences an average nighttime temperature of -1°C (30.2°F) in December, reflecting a minor difference from the day's peak.Humidity
The average relative humidity in December is 85%.Rainfall
In Ciasna, during December, the rain falls for 12.2 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 172.5 rainfall days, and 537mm (21.14") of precipitation is accumulated.Snowfall
Months with snowfall in Ciasna are January through May, October through December. In December, in Ciasna, Poland, it is snowing for 11.5 days. Throughout December, 114mm (4.49") of snow is accumulated. Throughout the year, there are 54.9 snowfall days, and 498mm (19.61") of snow is accumulated.Daylight
The month with the shortest days in Ciasna is December, with an average of 8h and 0min of daylight.On the first day of December in Ciasna, sunrise is at 07:26 and sunset at 15:43. On the last day of the month, sunrise is at 07:47 and sunset at 15:50 CET.
Sunshine
The average sunshine in December is 3.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 1 during December leads to these advisories:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ciasna, Poland
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in December
Ciasna, Poland
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in December
Ciasna, Poland
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in December
Ciasna, Poland
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Ciasna, Poland
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is November (28mm).
Average rainfall days in December
Ciasna, Poland
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is June (21.1 days).
The month with the least rainy days is January (8 days).
Average snowfall in December
Ciasna, Poland
- Average snowfall in December: 114mm
The month with the highest snowfall is January (152mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Ciasna, Poland
- Average snowfall days in December: 11.5 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
Ciasna, Poland
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 36min
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 6min).
Average sunshine days in December
Ciasna, Poland
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (6.6 days).
Average UV index in December
Ciasna, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Ciasna, Poland
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Ciasna, Poland
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
