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
The average high-temperature shows a slight dip in December, from November's frosty 7.9°C (46.2°F) to a wintry 3.4°C (38.1°F). Chvaly indicates a consistently low-temperature of -1°C (30.2°F) during the nights of December.Humidity
The average relative humidity in December is 84%.Rainfall
In Chvaly, during December, the rain falls for 12.2 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 167.3 rainfall days, and 536mm (21.1") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 8.9 days. Throughout December, 89mm (3.5") of snow is accumulated. In Chvaly, Czech Republic, during the entire year, snow falls for 44.5 days and aggregates up to 393mm (15.47") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 6min of daylight.On the first day of December, sunrise is at 07:39 and sunset at 16:02. On the last day of the month, sunrise is at 08:00 and sunset at 16:09 CET.
Sunshine
The average sunshine in December in Chvaly is 3.9h.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Enhance your sun protection with tightly woven, yet airy clothing. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Chvaly?
When are sunrise and sunset in December?
How many hours of sunshine does Chvaly have in December?
What is the UV index intensity in December?
Average temperature in December
Chvaly, Czech Republic
- Average high temperature in December: 3.4°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in December
Chvaly, Czech Republic
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1015.2mbar).
Average wind speed in December
Chvaly, Czech Republic
- 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 (9.1km/h).
Average humidity in December
Chvaly, Czech Republic
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Chvaly, Czech Republic
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is June (77mm).
The driest month (with the least rainfall) is November (24mm).
Average rainfall days in December
Chvaly, Czech Republic
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (8.7 days).
Average snowfall in December
Chvaly, Czech Republic
- Average snowfall in December: 89mm
The month with the highest snowfall is January (122mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Chvaly, Czech Republic
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chvaly, Czech Republic
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Chvaly, Czech Republic
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is May (7.8 days).
Average UV index in December
Chvaly, Czech Republic
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Chvaly, Czech Republic
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Chvaly, Czech Republic
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
