December weather forecastOstojów, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Ostojów, Poland, with an average temperature varying between -1.8°C (28.8°F) and 1.9°C (35.4°F).Temperature
The transition into December indicates a reduction in the average high-temperature, down to an icy 1.9°C (35.4°F) from November's chilly 7.1°C (44.8°F). Nights in December showcase an average temperature of -1.8°C (28.8°F), slightly cooler than the daytime.Humidity
The average relative humidity in December in Ostojów is 87%.Rainfall
In Ostojów, in December, during 8.9 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, there are 122.3 rainfall days, and 347mm (13.66") of precipitation is accumulated.Snowfall
Months with snowfall in Ostojów are January through April, October through December. In Ostojów, in December, snow falls for 8.5 days, with typically accumulated 59mm (2.32") of snow. In Ostojów, during the entire year, snow falls for 43.1 days and aggregates up to 336mm (13.23") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 0min of daylight.On the first day of the month, sunrise is at 07:18 and sunset at 15:33. On the last day of December, sunrise is at 07:39 and sunset at 15:39 CET.
Sunshine
The average sunshine in December is 3.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Ostojów. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ostojów, Poland
- Average high temperature in December: 1.9°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 (-0.5°C).
- Average low temperature in December: -1.8°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).
Average pressure in December
Ostojów, Poland
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in December
Ostojów, 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 (9.7km/h).
Average humidity in December
Ostojów, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Ostojów, Poland
- Average rainfall in December: 26mm
The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is November (19mm).
Average rainfall days in December
Ostojów, Poland
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in December
Ostojów, Poland
- Average snowfall in December: 59mm
The month with the highest snowfall is January (99mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Ostojów, Poland
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ostojów, Poland
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in December
Ostojów, Poland
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in December
Ostojów, 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 and December (UV index 1).
Average cloud cover in December
Ostojów, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Ostojów, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
