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
Jachowo observes a small decrease in the average high-temperature with the arrival of December, falling from November's frosty 6.9°C (44.4°F) to an icy 2.5°C (36.5°F). Jachowo, in December, registers a nighttime average temperature of -0.6°C (30.9°F).Humidity
In Jachowo, the average relative humidity in December is 87%.Rainfall
In December, the rain falls for 15.1 days. Throughout December, 43mm (1.69") of precipitation is accumulated. In Jachowo, during the entire year, the rain falls for 177.1 days and collects up to 532mm (20.94") of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 9.2 days. Throughout December, 82mm (3.23") of snow is accumulated. Throughout the year, there are 43.4 snowfall days, and 365mm (14.37") of snow is accumulated.Daylight
With an average of 7h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:37 and sunset at 15:19. On the last day of December, sunrise is at 08:00 and sunset at 15:24 CET.
Sunshine
With an average of 2.7h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties 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 in Jachowo?
What is the average length of the day in December?
When is the sunrise / sunset in December in Jachowo?
What is the month with the least sunshine?
How many hours of sunshine does Jachowo have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Jachowo, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in December: -0.6°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 (-3.5°C).
Average pressure in December
Jachowo, Poland
- Average pressure in December: 1013.3mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in December
Jachowo, Poland
- Average wind speed in December: 20km/h
The windiest month (with the highest average wind speed) is December (20km/h).
The calmest month (with the lowest average wind speed) is August (13.4km/h).
Average humidity in December
Jachowo, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Jachowo, Poland
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is July (73mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in December
Jachowo, Poland
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Jachowo, Poland
- Average snowfall in December: 82mm
The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jachowo, Poland
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jachowo, 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: 2h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in December
Jachowo, Poland
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is April (15.2 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Jachowo, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Jachowo, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Jachowo, Poland
- Average visibility in December: 9km
The months with the highest visibility are June, August and September (10km).
The month with the lowest visibility is January (8km).
