December weather forecastJachowo, Poland

December

Weather in December

December, the first month of the winter in Jachowo, is also an icy month, with an average temperature ranging between min -0.6°C (30.9°F) and max 2.5°C (36.5°F).

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.

Frequently asked questions

In Jachowo, in December, the average high-temperature is 2.5°C (36.5°F), and the average low-temperature is -0.6°C (30.9°F).

The average relative humidity in December is 87%.

In December, the rain falls for 15.1 days. Throughout December, 43mm (1.69") of precipitation is accumulated.

In Jachowo, during December, snow falls for 9.2 days and regularly aggregates up to 82mm (3.23") of snow.

December has the shortest days of the year, with an average of 7h and 24min of daylight.

The average day length in December is 7h and 25min.

On the first day of December, sunrise is at 07:37 and sunset at 15:19. On the last day of the month, sunrise is at 08:00 and sunset at 15:24 CET.

The month with the least sunshine is December, with an average of 2.7h of sunshine.

In December, the average sunshine duration is 2.7h.

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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 24min

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 42min

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).