December weather forecastOstrowąż, Poland

December

Weather in December

December, the first month of the winter in Ostrowąż, is also a wintry month, with temperature in the range of an average low of -0.4°C (31.3°F) and an average high of 2.7°C (36.9°F).

Temperature

With December's onset, the weather reveals a slight temperature decrease, transitioning from a frosty 7.6°C (45.7°F) in November to a wintry 2.7°C (36.9°F). Ostrowąż sustains a near constant temperature throughout December, with nighttime averages of -0.4°C (31.3°F).

Humidity

In December, the average relative humidity is 87%.

Rainfall

In Ostrowąż, in December, during 11.4 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, in Ostrowąż, there are 140.2 rainfall days, and 307mm (12.09") of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 8.2 days. Throughout December, 40mm (1.57") of snow is accumulated. In Ostrowąż, during the entire year, snow falls for 36.7 days and aggregates up to 188mm (7.4") of snow.

Daylight

With an average of 7h and 48min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 07:35 and sunset at 15:37. On the last day of December, sunrise is at 07:57 and sunset at 15:43 CET.

Sunshine

The average sunshine in December in Ostrowąż is 3.4h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 1 in December leads to these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

The average high-temperature and low-temperature in Ostrowąż during December are 2.7°C (36.9°F) and -0.4°C (31.3°F) respectively.

In December, the average relative humidity is 87%.

In Ostrowąż, Poland, in December, during 11.4 rainfall days, 21mm (0.83") of precipitation is typically accumulated.

In Ostrowąż, Poland, in December, snow falls for 8.2 days, with typically accumulated 40mm (1.57") of snow.

The month with the shortest days in Ostrowąż, Poland, is December, with an average of 7h and 48min of daylight.

In December, the average day length is 7h and 47min.

In December, on the first day of the month, sunrise is at 07:35 and sunset at 15:37. On the last day of the month, in Ostrowąż, Poland, sunrise is at 07:57 and sunset at 15:43 CET.

In Ostrowąż, Poland, the average sunshine duration in December is 3.4h.

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

In Ostrowąż, Poland, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health threat 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
Ostrowąż, Poland

  • Average high temperature in December: 2.7°C

The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.5°C).

  • Average low temperature in December: -0.4°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).

Average pressure in December
Ostrowąż, Poland

  • Average pressure in December: 1016mbar

The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).

Average wind speed in December
Ostrowąż, Poland

  • Average wind speed in December: 15.2km/h

The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).

Average humidity in December
Ostrowąż, 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 (65%).

Average rainfall in December
Ostrowąż, Poland

  • Average rainfall in December: 21mm

The wettest month (with the highest rainfall) is June (42mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in December
Ostrowąż, Poland

  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (7.6 days).

Average snowfall in December
Ostrowąż, Poland

  • Average snowfall in December: 40mm

The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Ostrowąż, Poland

  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Ostrowąż, Poland

  • Average daylight in December: 7h and 48min

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: 3h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Ostrowąż, Poland

  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in December
Ostrowąż, 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 and December (UV index 1).

Average cloud cover in December
Ostrowąż, Poland

  • Average cloud cover in December: 67

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Ostrowąż, Poland

  • Average visibility in December: 8km

The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).