December weather forecastOlszyn, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Olszyn, Poland, with an average temperature ranging between min -2.1°C (28.2°F) and max 1.2°C (34.2°F).Temperature
December's onset brings a slight change in high-temperatures, falling from a frosty 6.2°C (43.2°F) in November to an icy 1.2°C (34.2°F). An average temperature of -2.1°C (28.2°F) is logged during the nights of December, a small step down from daytime highs.Humidity
In December, the average relative humidity in Olszyn is 89%.Rainfall
In Olszyn, in December, during 8.9 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, in Olszyn, there are 143.7 rainfall days, and 388mm (15.28") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Olszyn, in December, during 12 snowfall days, 84mm (3.31") of snow is typically accumulated. Throughout the year, in Olszyn, there are 53.6 snowfall days, and 379mm (14.92") of snow is accumulated.Daylight
The month with the shortest days in Olszyn is December, with an average of 7h and 48min of daylight.On the first day of December, sunrise is at 07:13 and sunset at 15:18. On the last day of the month, sunrise is at 07:35 and sunset at 15:24 CET.
Sunshine
In Olszyn, the average sunshine in December is 2h.UV index
The months with the lowest UV index in Olszyn are January, February, 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Olszyn, Poland
- Average high temperature in December: 1.2°C
The warmest month (with the highest average high temperature) is August (24.8°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 (14.4°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in December
Olszyn, Poland
- Average pressure in December: 1016.4mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed in December
Olszyn, 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
Olszyn, 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 (68%).
Average rainfall in December
Olszyn, Poland
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is May (59mm).
The driest months (with the least rainfall) are February and November (21mm).
Average rainfall days in December
Olszyn, Poland
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6 days).
Average snowfall in December
Olszyn, Poland
- Average snowfall in December: 84mm
The month with the highest snowfall is January (114mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Olszyn, Poland
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (15.6 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
Olszyn, Poland
- Average daylight in December: 7h and 48min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in December
Olszyn, Poland
- Average sunshine days in December: 11.4 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Olszyn, 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
Olszyn, Poland
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Olszyn, 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).





