December weather forecastSłonne, Poland
December
Weather in December
December, the first month of the winter in Słonne, is still a cold month, with temperature in the range of an average high of 0.9°C (33.6°F) and an average low of -3.2°C (26.2°F).Temperature
The onset of December coincides with a reduction in the average high-temperature, falling from a frosty 7.3°C (45.1°F) in November to a wintry 0.9°C (33.6°F). Słonne registers a steady nighttime temperature averaging a subzero cold -3.2°C (26.2°F) throughout December.Humidity
In Słonne, Poland, the average relative humidity in December is 89%.Rainfall
In Słonne, during December, the rain falls for 8.1 days and regularly aggregates up to 32mm (1.26") of precipitation. In Słonne, during the entire year, the rain falls for 146.8 days and collects up to 453mm (17.83") of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall in Słonne. Snow falls for 13.4 days and accumulates 142mm (5.59") of snow.Daylight
December has the shortest days of the year in Słonne, with an average of 8h and 12min of daylight.On the first day of December in Słonne, Poland, sunrise is at 07:06 and sunset at 15:32. On the last day of the month, sunrise is at 07:27 and sunset at 15:39 CET.
Sunshine
In Słonne, the average sunshine in December is 3.6h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Słonne. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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
Average temperature in December
Słonne, Poland
- Average high temperature in December: 0.9°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in December: -3.2°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in December
Słonne, Poland
- Average pressure in December: 1019.1mbar
The month with the highest atmospheric pressure is October (1019.2mbar).
The months with the lowest atmospheric pressure are June and July (1014.3mbar).
Average wind speed in December
Słonne, Poland
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in December
Słonne, 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
Słonne, Poland
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in December
Słonne, Poland
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Słonne, Poland
- Average snowfall in December: 142mm
The month with the highest snowfall is December (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Słonne, Poland
- Average snowfall days in December: 13.4 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Słonne, Poland
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- 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 0min).
Average sunshine days in December
Słonne, Poland
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Słonne, 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 January, November and December (UV index 1).
Average cloud cover in December
Słonne, Poland
- Average cloud cover in December: 66
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 31).
Average visibility in December
Słonne, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, August and September (9km).
The months with the lowest visibility are January and February (7km).
