Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December is marked by a subtle drop in average high-temperatures, transitioning from a chilly 7.2°C (45°F) in November to a wintry 2.5°C (36.5°F). Nights in Wiejca during December maintain a steady temperature, averaging at a freezing cold -1.1°C (30°F).Humidity
The average relative humidity in December is 87%.Rainfall
In Wiejca, during December, the rain falls for 12.2 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 156 rainfall days, and 403mm (15.87") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Wiejca, in December, snow falls for 8.9 days, with typically accumulated 52mm (2.05") of snow. In Wiejca, during the entire year, snow falls for 45.6 days and aggregates up to 336mm (13.23") of snow.Daylight
With an average of 7h and 48min of daylight, December has the shortest days of the year in Wiejca.On the first day of December, sunrise is at 07:25 and sunset at 15:28. On the last day of the month, sunrise is at 07:47 and sunset at 15:35 CET.
Sunshine
The average sunshine in December is 3.4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 1 during December leads to these advisories:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Wiejca?
What is the average humidity in December in Wiejca?
How many days does it rain in December in Wiejca?
How much does it snow in Wiejca in December?
What is the month with the shortest days in Wiejca?
What is the average length of the day in December in Wiejca?
When are sunrise and sunset in December in Wiejca?
How long on average sun shines in December in Wiejca?
What is the month with the lowest UV index in Wiejca?
What is the UV index reading in December in Wiejca?
Average temperature in December
Wiejca, Poland
- Average high temperature in December: 2.5°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 (-0.3°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Wiejca, Poland
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in December
Wiejca, Poland
- Average wind speed in December: 14.3km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in December
Wiejca, 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
Wiejca, Poland
- Average rainfall in December: 30mm
The wettest months (with the highest rainfall) are May and June (50mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Wiejca, Poland
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Wiejca, Poland
- Average snowfall in December: 52mm
The month with the highest snowfall is January (121mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Wiejca, Poland
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wiejca, Poland
- Average daylight in December: 7h and 5min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Wiejca, Poland
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in December
Wiejca, 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
Wiejca, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Wiejca, 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).
