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
Weather in December
Temperature
The onset of December entails a subtle temperature shift, as the average high-temperature eases from a frosty 6.9°C (44.4°F) in November to a cold 2.5°C (36.5°F). A mean low-temperature of -0.4°C (31.3°F) is a distinguishing feature of December, indicating a slight dip from daytime highs.Humidity
The months with the highest humidity in Jankowo Gdańskie, Poland, are January, February and December, with an average relative humidity of 87%.Rainfall
In Jankowo Gdańskie, in December, it is raining for 13.6 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, there are 172.5 rainfall days, and 497mm (19.57") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Jankowo Gdańskie, in December, snow falls for 11 days, with typically accumulated 110mm (4.33") of snow. In Jankowo Gdańskie, Poland, during the entire year, snow falls for 58 days and aggregates up to 437mm (17.2") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 24min of daylight.On the first day of December in Jankowo Gdańskie, sunrise is at 07:43 and sunset at 15:26. On the last day of the month, sunrise is at 08:06 and sunset at 15:31 CET.
Sunshine
In December, the average sunshine in Jankowo Gdańskie, Poland, is 3.1h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is it in Jankowo Gdańskie in December?
What are the most humid months in Jankowo Gdańskie?
What is the average humidity in December in Jankowo Gdańskie?
How much does it rain in Jankowo Gdańskie in December?
How many days does it snow in December in Jankowo Gdańskie?
What is the month with the shortest days in Jankowo Gdańskie?
What is the average length of the day in December in Jankowo Gdańskie?
When is the sunrise / sunset in December in Jankowo Gdańskie?
How many hours of sunshine does Jankowo Gdańskie have in December?
What is the month with the lowest UV index in Jankowo Gdańskie?
What is the UV index reading in December in Jankowo Gdańskie?
Average temperature in December
Jankowo Gdańskie, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in December: -0.4°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 (-2.4°C).
Average pressure in December
Jankowo Gdańskie, Poland
- Average pressure in December: 1013.2mbar
The month with the highest atmospheric pressure is October (1016.6mbar).
The months with the lowest atmospheric pressure are July and December (1013.2mbar).
Average wind speed in December
Jankowo Gdańskie, Poland
- Average wind speed in December: 16.8km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in December
Jankowo Gdańskie, Poland
- Average humidity in December: 87%
The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Jankowo Gdańskie, Poland
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Jankowo Gdańskie, Poland
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in December
Jankowo Gdańskie, Poland
- Average snowfall in December: 110mm
The month with the highest snowfall is January (128mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jankowo Gdańskie, Poland
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jankowo Gdańskie, Poland
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Jankowo Gdańskie, Poland
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in December
Jankowo Gdańskie, Poland
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Jankowo Gdańskie, Poland
- Average cloud cover in December: 69
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
Jankowo Gdańskie, Poland
- Average visibility in December: 9km
The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January and February (8km).
Jankowo Gdańskie, Poland
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