December weather forecast and climate
Olesno, Poland

Weather in December

The first month of the winter, December, is still a cold month in Olesno, Poland, with average temperature varying between -0.7°C (30.7°F) and 2.6°C (36.7°F).

Temperature

In December, the average high-temperature decreases, from a frosty 7.9°C (46.2°F) in November, to a cold 2.6°C (36.7°F). In Olesno, in December, the average low-temperature is -0.7°C (30.7°F).

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Olesno, in December, it is raining for 6.9 days, with typically 17mm (0.67") of accumulated precipitation. In Olesno, Poland, during the entire year, the rain falls for 121.3 days and collects up to 317mm (12.48") of precipitation.

Snowfall

Months with snowfall in Olesno are January through May, October through December. In December, in Olesno, it is snowing for 5.5 days. Throughout December, 30mm (1.18") of snow is accumulated. In Olesno, Poland, during the entire year, snow falls for 35.6 days, and aggregates up to 255mm (10.04") of snow.

Daylight

December has the shortest days of the year, with an average of 8h of daylight.

Sunshine

In December, the average sunshine in Olesno is 3.5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Olesno. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Olesno?

In Olesno, Poland, in December, the average high-temperature is 2.6°C (36.7°F), and the average low-temperature is -0.7°C (30.7°F).

What is the average humidity in December in Olesno?

In Olesno, the average relative humidity in December is 86%.

How much does it rain in Olesno in December?

In Olesno, in December, during 6.9 rainfall days, 17mm (0.67") of precipitation is typically accumulated.

How much does it snow in Olesno in December?

In Olesno, in December, during 5.5 snowfall days, 30mm (1.18") of snow is typically accumulated.

What is the month with the shortest days in Olesno?

December has the shortest days of the year in Olesno, Poland, with an average of 8h of daylight.

What is the average length of the day in December in Olesno?

In December, the average length of the day in Olesno, Poland, is 8h.

How many hours of sunshine does Olesno have in December?

In December, the average sunshine in Olesno, Poland, is 3.5h.

What is the month with the lowest UV index in Olesno?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Olesno.

How high is the UV index in December in Olesno?

In Olesno, Poland, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in December
Olesno, Poland

Average temperature in December - Olesno, Poland
  • Average high temperature in December: 2.6°C

The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.5°C).

  • Average low temperature in December: -0.7°C

The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

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Average pressure in December
Olesno, Poland

Average pressure in December - Olesno, Poland
  • Average pressure in December: 1017.2mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).

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Average wind speed in December
Olesno, Poland

Average wind speed in December - Olesno, Poland
  • Average wind speed in December: 14.9km/h

The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.1km/h).

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Average humidity in December
Olesno, Poland

Average humidity in December - Olesno, Poland
  • Average humidity in December: 86%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).

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Average rainfall in December
Olesno, Poland

Average rainfall in December - Olesno, Poland
  • Average rainfall in December: 17mm

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

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Average rainfall days in December
Olesno, Poland

Average rainfall days in December - Olesno, Poland
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Olesno, Poland

Average snowfall in December - Olesno, Poland
  • Average snowfall in December: 30mm

The month with the highest snowfall is January (75mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in December
Olesno, Poland

Average snowfall days in December - Olesno, Poland
  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is January (11.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Olesno, Poland
  • Average daylight in December: 8h

The month with the longest days is June (Average daylight: 16.4h).
The month with the shortest days is December (Average daylight: 8h).

  • Average sunshine in December: 3.5h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 3.2h).

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Average sunshine days in December
Olesno, Poland

Average sunshine days in December - Olesno, Poland
  • Average sunshine days in December: 19 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (13.3 days).

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Average UV index in December
Olesno, Poland

Average UV index in December - Olesno, Poland
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in December
Olesno, Poland

Average cloud cover in December - Olesno, Poland
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Olesno, Poland

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

Months with the highest visibility are June, August and September (10km).
The month with the lowest visibility is January (7km).

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