December weather forecastOpalenie, Poland
December
Weather in December
December, the first month of the winter in Opalenie, is also an icy month, with temperature in the range of an average low of -1.1°C (30°F) and an average high of 2.3°C (36.1°F).Temperature
A mild drop in Opalenie's average high-temperature is observed in December, transitioning from a frosty 7°C (44.6°F) in November to a cold 2.3°C (36.1°F). Opalenie maintains a consistent average nighttime low-temperature of -1.1°C (30°F) throughout December.Humidity
In Opalenie, Poland, the average relative humidity in December is 88%.Rainfall
In Opalenie, in December, it is raining for 10.5 days, with typically 25mm (0.98") of accumulated precipitation. In Opalenie, during the entire year, the rain falls for 124.3 days and collects up to 298mm (11.73") of precipitation.Snowfall
January through May, November and December are months with snowfall in Opalenie. In Opalenie, in December, during 6.7 snowfall days, 37mm (1.46") of snow is typically accumulated. In Opalenie, during the entire year, snow falls for 35.9 days and aggregates up to 206mm (8.11") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 30min of daylight.On the first day of December in Opalenie, sunrise is at 07:39 and sunset at 15:28. On the last day of the month, sunrise is at 08:02 and sunset at 15:33 CET.
Sunshine
The average sunshine in December in Opalenie, Poland, is 3.3h.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Opalenie, Poland
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in December
Opalenie, Poland
- Average pressure in December: 1014.2mbar
The month with the highest atmospheric pressure is October (1017.1mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Opalenie, 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 (10.9km/h).
Average humidity in December
Opalenie, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Opalenie, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in December
Opalenie, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Opalenie, Poland
- Average snowfall in December: 37mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Opalenie, Poland
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Opalenie, Poland
- Average daylight in December: 7h and 30min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Opalenie, Poland
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is February (13 days).
Average UV index in December
Opalenie, Poland
- Average UV index in December: 2
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 and November (UV index 1).
Average cloud cover in December
Opalenie, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Opalenie, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
