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 brings a small shift in high-temperatures, falling from a chilly 7.1°C (44.8°F) in November to a cold 2.7°C (36.9°F). Glesno, in December, logs an average low-temperature of -1°C (30.2°F), a subtle step down from daytime readings.Humidity
The months with the highest humidity in Glesno are January and December, with an average relative humidity of 89%.Rainfall
In December, in Glesno, the rain falls for 9.5 days. Throughout December, 25mm (0.98") of precipitation is accumulated. In Glesno, during the entire year, the rain falls for 132.9 days and collects up to 343mm (13.5") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Glesno, during December, snow falls for 5.1 days and regularly aggregates up to 28mm (1.1") of snow. Throughout the year, there are 27.7 snowfall days, and 177mm (6.97") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 36min of daylight.On the first day of December in Glesno, sunrise is at 07:42 and sunset at 15:37. On the last day of the month, sunrise is at 08:04 and sunset at 15:42 CET.
Sunshine
The average sunshine in December is 3.1h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 1 in December transforms into this advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Glesno have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Glesno, Poland
- Average high temperature in December: 2.7°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 (0.6°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in December
Glesno, Poland
- Average pressure in December: 1014.7mbar
The month with the highest atmospheric pressure is October (1017.1mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Glesno, Poland
- Average wind speed in December: 14.5km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in December
Glesno, Poland
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and August (68%).
Average rainfall in December
Glesno, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in December
Glesno, Poland
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Glesno, Poland
- Average snowfall in December: 28mm
The month with the highest snowfall is January (65mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Glesno, Poland
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glesno, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Glesno, Poland
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in December
Glesno, Poland
- Average UV index in December: 1
The months with the highest UV index are May, 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
Glesno, Poland
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Glesno, Poland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, November and December (8km).
