December weather forecastOpacz, Poland
December
Weather in December
The first month of the winter, December, is also a wintry month in Opacz, Poland, with an average temperature varying between -1.4°C (29.5°F) and 2°C (35.6°F).Temperature
December comes with a decrease in the average high-temperature, falling from a chilly 7°C (44.6°F) in November to a wintry 2°C (35.6°F). Night temperatures during December experience a slight downturn, averaging a freezing cold -1.4°C (29.5°F).Humidity
The average relative humidity in December is 87%.Rainfall
In Opacz, in December, it is raining for 7.9 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, there are 109.6 rainfall days, and 283mm (11.14") of precipitation is accumulated.Snowfall
Months with snowfall in Opacz are January through April, October through December. In Opacz, in December, snow falls for 6.6 days, with typically accumulated 36mm (1.42") of snow. In Opacz, Poland, during the entire year, snow falls for 30.9 days and aggregates up to 231mm (9.09") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 48min of daylight.On the first day of the month, sunrise is at 07:22 and sunset at 15:27. On the last day of December, in Opacz, sunrise is at 07:43 and sunset at 15:33 CET.
Sunshine
In Opacz, the average sunshine in December is 3.2h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Opacz, Poland
- Average high temperature in December: 2°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in December: -1.4°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-4°C).
Average pressure in December
Opacz, Poland
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Opacz, Poland
- Average wind speed in December: 14km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in December
Opacz, 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 (67%).
Average rainfall in December
Opacz, Poland
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is May (41mm).
The driest months (with the least rainfall) are April and November (14mm).
Average rainfall days in December
Opacz, Poland
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Opacz, Poland
- Average snowfall in December: 36mm
The month with the highest snowfall is January (80mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Opacz, Poland
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is January (10.2 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
Opacz, 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: 3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Opacz, Poland
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in December
Opacz, 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, November and December (UV index 1).
Average cloud cover in December
Opacz, 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 31).
Average visibility in December
Opacz, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January and February (7km).
