December weather forecast
Derło, Poland

December

Weather in December

December, the first month of the winter in Derło, is also an icy month, with an average temperature varying between 1.2°C (34.2°F) and -2.1°C (28.2°F).

Temperature

December's arrival comes with a decrease in the average high-temperature, moving from a frosty 6.2°C (43.2°F) in November to an icy 1.2°C (34.2°F). Derło experiences an average nighttime temperature of -2.1°C (28.2°F) in December, reflecting a minor difference from the day's peak.

Humidity

The average relative humidity in December in Derło is 89%.

Rainfall

In Derło, Poland, during December, the rain falls for 8.9 days and regularly aggregates up to 31mm (1.22") of precipitation. In Derło, during the entire year, the rain falls for 143.7 days and collects up to 388mm (15.28") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Derło, during December, snow falls for 12 days and regularly aggregates up to 84mm (3.31") of snow. Throughout the year, there are 53.6 snowfall days, and 379mm (14.92") of snow is accumulated.

Daylight

The month with the shortest days in Derło, Poland, is December, with an average of 7h and 48min of daylight.
On the first day of December, sunrise is at 07:13 and sunset at 15:17. On the last day of the month, sunrise is at 07:35 and sunset at 15:23 CET.

Sunshine

In December, the average sunshine in Derło is 2h.

UV index

The months with the lowest UV index in Derło are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

How cold is it in Derło in December?
The high-temperature, in December, in Derło, is 1.2°C (34.2°F), while the low-temperature averages to -2.1°C (28.2°F).
What is the average humidity in December in Derło?
In December, the average relative humidity in Derło is 89%.
How many days does it rain in December in Derło?
In December, the rain falls for 8.9 days. Throughout December, 31mm (1.22") of precipitation is accumulated.
How much does it snow in Derło in December?
In Derło, Poland, during December, snow falls for 12 days and regularly aggregates up to 84mm (3.31") of snow.
What is the month with the shortest days in Derło?
With an average of 7h and 48min of daylight, December has the shortest days of the year in Derło.
How many hours of daylight does Derło have in December?
In December, the average day length in Derło is 7h and 49min.
What time are sunrise and sunset in December in Derło?
On the first day of December in Derło, Poland, sunrise is at 07:13 and sunset at 15:17. On the last day of the month, sunrise is at 07:35 and sunset at 15:23 CET.
How many hours of sunshine does Derło have in December?
In December, the average sunshine duration is 2h.
When is the lowest UV index in Derło?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.
What is the UV index intensity in December in Derło?
The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
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 - Derło, Poland
Average temperature in December
Derło, Poland
  • Average high temperature in December: 1.2°C

The warmest month (with the highest average high temperature) is August (24.8°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 (14.4°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).

Average pressure in December - Derło, Poland
Average pressure in December
Derło, Poland
  • Average pressure in December: 1016.4mbar

The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).

Average wind speed in December - Derło, Poland
Average wind speed in December
Derło, 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 - Derło, Poland
Average humidity in December
Derło, Poland
  • Average humidity in December: 89%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December - Derło, Poland
Average rainfall in December
Derło, Poland
  • Average rainfall in December: 31mm

The wettest month (with the highest rainfall) is May (59mm).
The driest months (with the least rainfall) are February and November (21mm).

Average rainfall days in December - Derło, Poland
Average rainfall days in December
Derło, Poland
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6 days).

Average snowfall in December - Derło, Poland
Average snowfall in December
Derło, Poland
  • Average snowfall in December: 84mm

The month with the highest snowfall is January (114mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December - Derło, Poland
Average snowfall days in December
Derło, Poland
  • Average snowfall days in December: 12 days

The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Derło, Poland
Average daylight in December /
Average sunshine in December
Derło, Poland
  • Average daylight in December: 7h and 5min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in December: 2h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).

Average sunshine days in December - Derło, Poland
Average sunshine days in December
Derło, Poland
  • Average sunshine days in December: 11.4 days

The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in December - Derło, Poland
Average UV index in December
Derło, 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 - Derło, Poland
Average cloud cover in December
Derło, Poland
  • Average cloud cover in December: 73

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December - Derło, Poland
Average visibility in December
Derło, Poland
  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).

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