December weather forecastRochnia, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Rochnia, Poland, with an average temperature ranging between max 1.4°C (34.5°F) and min -1.9°C (28.6°F).Temperature
The arrival of December is marked by a minor reduction in average high-temperature, sliding from a chilly 6.2°C (43.2°F) in November to a cold 1.4°C (34.5°F). In December, Rochnia's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of -1.9°C (28.6°F).Humidity
In Rochnia, Poland, the average relative humidity in December is 89%.Rainfall
In Rochnia, during December, the rain falls for 9.1 days and regularly aggregates up to 20mm (0.79") of precipitation. In Rochnia, during the entire year, the rain falls for 126.8 days and collects up to 277mm (10.91") of precipitation.Snowfall
Months with snowfall in Rochnia, Poland, are January through April, October through December. In Rochnia, in December, snow falls for 10.2 days, with typically accumulated 56mm (2.2") of snow. In Rochnia, Poland, during the entire year, snow falls for 46.4 days and aggregates up to 230mm (9.06") of snow.Daylight
The month with the shortest days in Rochnia, Poland, is December, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 07:30 and sunset at 15:26. On the last day of December, sunrise is at 07:52 and sunset at 15:32 CET.
Sunshine
The average sunshine in December in Rochnia is 2.8h.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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rochnia, Poland
- Average high temperature in December: 1.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Rochnia, Poland
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Rochnia, Poland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Rochnia, 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 (69%).
Average rainfall in December
Rochnia, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Rochnia, Poland
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Rochnia, Poland
- Average snowfall in December: 56mm
The month with the highest snowfall is January (86mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Rochnia, Poland
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rochnia, Poland
- Average daylight in December: 7h and 42min
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 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Rochnia, Poland
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Rochnia, Poland
- Average UV index in December: 1
The months with the highest UV index are 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
Rochnia, Poland
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Rochnia, 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).





