December weather forecastPerná, Czech Republic
December
Weather in December
December, the first month of the winter in Perná, is also an icy month, with an average temperature ranging between min -1.5°C (29.3°F) and max 3.2°C (37.8°F).Temperature
The onset of December is marked by a decrease in temperature, transitioning from a frosty 8.5°C (47.3°F) in November to an icy 3.2°C (37.8°F). December nights reflect a consistent temperature dip to a subzero cold -1.5°C (29.3°F), a slight descent from daytime peaks.Humidity
In December, the average relative humidity is 84%.Rainfall
In December, the rain falls for 9.3 days. Throughout December, 31mm (1.22") of precipitation is accumulated. In Perná, during the entire year, the rain falls for 137.9 days and collects up to 400mm (15.75") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Perná, Czech Republic, in December, during 4.9 snowfall days, 46mm (1.81") of snow is typically accumulated. Throughout the year, there are 24.6 snowfall days, and 202mm (7.95") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 07:26 and sunset at 15:59. On the last day of December, in Perná, sunrise is at 07:46 and sunset at 16:06 CET.
Sunshine
The average sunshine in December in Perná is 4.5h.UV index
The months with the lowest UV index in Perná are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Perná, Czech Republic
- Average high temperature in December: 3.2°C
The warmest months (with the highest average high temperature) are July and August (26.3°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).
Average pressure in December
Perná, Czech Republic
- Average pressure in December: 1019.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is June (1015.1mbar).
Average wind speed in December
Perná, Czech Republic
- Average wind speed in December: 12.9km/h
The windiest month (with the highest average wind speed) is February (14.6km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Perná, Czech Republic
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Perná, Czech Republic
- Average rainfall in December: 31mm
The wettest months (with the highest rainfall) are May and June (61mm).
The driest months (with the least rainfall) are February and April (22mm).
Average rainfall days in December
Perná, Czech Republic
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Perná, Czech Republic
- Average snowfall in December: 46mm
The month with the highest snowfall is January (73mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Perná, Czech Republic
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (8.8 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
Perná, Czech Republic
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Perná, Czech Republic
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Perná, Czech Republic
- Average UV index in December: 2
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 2).
Average cloud cover in December
Perná, Czech Republic
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Perná, Czech Republic
- Average visibility in December: 9km
The months with the highest visibility are July, August and September (10km).
The month with the lowest visibility is January (8km).





