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 start of December comes with a reduction in the average high-temperature, receding from a chilly 6.1°C (43°F) in November to a wintry 0.8°C (33.4°F). A consistent average low of -2.1°C (28.2°F) is noted in Haćki throughout December, only a small step down from its daytime high.Humidity
In Haćki, the average relative humidity in December is 90%.Rainfall
In Haćki, in December, during 11.7 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Haćki, during the entire year, the rain falls for 163.9 days and collects up to 512mm (20.16") of precipitation.Snowfall
Months with snowfall in Haćki are January through April, October through December. In Haćki, in December, snow falls for 15.2 days, with typically accumulated 121mm (4.76") of snow. In Haćki, during the entire year, snow falls for 70.6 days and aggregates up to 580mm (22.83") of snow.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:17 and sunset at 15:15. On the last day of the month, sunrise is at 07:39 and sunset at 15:21 CET.
Sunshine
In Haćki, the average sunshine in December is 2.8h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Haćki. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. 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 Haćki?
What is the average humidity in December in Haćki?
How much does it rain in Haćki in December?
How many days does it snow in December in Haćki?
What is the month with the shortest days in Haćki?
How many hours of daylight does Haćki have in December?
When are sunrise and sunset in December in Haćki?
How many hours of sunshine does Haćki have in December?
When is the lowest UV index in Haćki?
What is the UV index reading in December in Haćki?
Average temperature in December
Haćki, Poland
- Average high temperature in December: 0.8°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in December: -2.1°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in December
Haćki, Poland
- Average pressure in December: 1015.8mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Haćki, Poland
- Average wind speed in December: 14.2km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in December
Haćki, Poland
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in December
Haćki, Poland
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Haćki, Poland
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Haćki, Poland
- Average snowfall in December: 121mm
The month with the highest snowfall is January (187mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Haćki, Poland
- Average snowfall days in December: 15.2 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Haćki, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in December
Haćki, Poland
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in December
Haćki, 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, February, November and December (UV index 1).
Average cloud cover in December
Haćki, Poland
- Average cloud cover in December: 74
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Haćki, Poland
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
