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.

Frequently asked questions

The high-temperature, in December, in Perná, records 3.2°C (37.8°F), while the low-temperature is -1.5°C (29.3°F).

The average relative humidity in December in Perná, Czech Republic, is 84%.

In Perná, in December, it is raining for 9.3 days, with typically 31mm (1.22") of accumulated precipitation.

In Perná, during December, snow falls for 4.9 days and regularly aggregates up to 46mm (1.81") of snow.

December has the shortest days of the year, with an average of 8h and 18min of daylight.

The average day length in December in Perná is 8h and 20min.

On the first day of December, sunrise is at 07:26 and sunset at 15:59. On the last day of the month, sunrise is at 07:46 and sunset at 16:06 CET.

In December, the average sunshine duration in Perná, Czech Republic, is 4.5h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Perná.

The average daily maximum UV index in December in Perná is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).