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
Weather in December
Temperature
With December's onset, the average high-temperature recedes from November's chilly 6.1°C (43°F) to a wintry 0.8°C (33.4°F). During the nights of December, Spieszyn records an average low-temperature of -2.1°C (28.2°F), reflecting a modest decrease from daytime highs.Humidity
In December, the average relative humidity is 90%.Rainfall
In Spieszyn, in December, it is raining for 11.7 days, with typically 43mm (1.69") of accumulated precipitation. Throughout the year, in Spieszyn, there are 163.9 rainfall days, and 512mm (20.16") of precipitation is accumulated.Snowfall
Months with snowfall in Spieszyn, Poland, are January through April, October through December. In Spieszyn, in December, snow falls for 15.2 days, with typically accumulated 121mm (4.76") of snow. Throughout the year, in Spieszyn, there are 70.6 snowfall days, and 580mm (22.83") of snow is accumulated.Daylight
December has the shortest days of the year in Spieszyn, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 07:18 and sunset at 15:17. On the last day of December, in Spieszyn, sunrise is at 07:40 and sunset at 15:23 CET.
Sunshine
The average sunshine in December is 2.8h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Spieszyn. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Spieszyn in December?
What is the average humidity in December in Spieszyn?
How many days does it rain in December in Spieszyn?
How many days does it snow in December in Spieszyn?
What is the month with the shortest days in Spieszyn?
What is the average length of the day in December in Spieszyn?
When are sunrise and sunset in December in Spieszyn?
How long on average sun shines in December in Spieszyn?
What are the months with the lowest UV index in Spieszyn?
What is the UV index reading in December in Spieszyn?
Average temperature in December
Spieszyn, Poland
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in December: -2.1°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in December
Spieszyn, Poland
- Average pressure in December: 1015.8mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Spieszyn, Poland
- Average wind speed in December: 14.2km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in December
Spieszyn, Poland
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in December
Spieszyn, Poland
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Spieszyn, Poland
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Spieszyn, Poland
- Average snowfall in December: 121mm
The month with the highest snowfall is January (187mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Spieszyn, Poland
- Average snowfall days in December: 15.2 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spieszyn, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in December
Spieszyn, Poland
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in December
Spieszyn, 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, February, November and December (UV index 1).
Average cloud cover in December
Spieszyn, Poland
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Spieszyn, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
Spieszyn, Poland
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