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's arrival comes with a mild decrease in the average high-temperature, moving subtly from a frosty 7°C (44.6°F) in November to a cold 2.5°C (36.5°F). December records a small disparity from daytime temperatures, marking an average low-temperature of -1°C (30.2°F) in Jarki.Humidity
The average relative humidity in December in Jarki is 87%.Rainfall
In Jarki, during December, the rain falls for 9.4 days and regularly aggregates up to 22mm (0.87") of precipitation. In Jarki, during the entire year, the rain falls for 126.1 days and collects up to 320mm (12.6") of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 5.7 days. Throughout December, 28mm (1.1") of snow is accumulated. In Jarki, Poland, during the entire year, snow falls for 30.5 days and aggregates up to 196mm (7.72") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 07:37 and sunset at 15:33. On the last day of December, in Jarki, sunrise is at 07:59 and sunset at 15:39 CET.
Sunshine
In Jarki, the average sunshine in December is 3.2h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. 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: The maximum UV index of 1 during December leads to these instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Jarki in December?
What is the average humidity in December in Jarki?
How many days does it rain in December in Jarki?
How much does it snow in Jarki in December?
What is the month with the shortest days in Jarki?
How many hours of daylight does Jarki have in December?
When are sunrise and sunset in December in Jarki?
How many hours of sunshine does Jarki have in December?
When is the lowest UV index in Jarki?
How high is the UV index in December in Jarki?
Average temperature in December
Jarki, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in December
Jarki, Poland
- Average pressure in December: 1015mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Jarki, 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 (10.7km/h).
Average humidity in December
Jarki, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Jarki, Poland
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in December
Jarki, Poland
- Average rainfall days in December: 9.4 days
The months with the highest number of rainy days are May and July (14.8 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Jarki, Poland
- Average snowfall in December: 28mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jarki, Poland
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jarki, 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: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Jarki, Poland
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in December
Jarki, Poland
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Jarki, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Jarki, Poland
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, November and December (8km).
