December weather forecastOpole, Poland

December

Weather in December

As winter claims its reign in December, Opole transforms into a chilly wonderland. Snowfall significantly increases to 62mm (2.44") making this month one of the most festive times in the city. While the cold can be biting, the city takes on a picturesque charm with twinkling holiday lights adorning the frosty landscape. Despite the cold weather, the festive ambiance provides warmth and cheer to the city's residents and tourists.

Temperature

In December, the average high-temperature in Opole decreases from a chilly 8.7°C (47.7°F) in November to an icy 3.3°C (37.9°F). Nighttime in Opole, during December, brings an average low of -0.8°C (30.6°F), a modest reduction from the day's peak.

Humidity

The average relative humidity in December in Opole is 84%.

Rainfall

In December, in Opole, Poland, the rain falls for 12.5 days. Throughout December, 33mm (1.3") of precipitation is accumulated. In Opole, during the entire year, the rain falls for 160.4 days and collects up to 450mm (17.72") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Opole, Poland, in December, snow falls for 8 days, with typically accumulated 62mm (2.44") of snow. In Opole, during the entire year, snow falls for 40.6 days and aggregates up to 290mm (11.42") of snow.

Daylight

December has the shortest days of the year in Opole, with an average of 8h and 6min of daylight.
On the first day of the month, sunrise is at 07:28 and sunset at 15:46. On the last day of December, sunrise is at 07:49 and sunset at 15:53 CET.

Sunshine

In December, the average sunshine is 4.1h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

In Opole, 3.3°C (37.9°F) is the average high-temperature and -0.8°C (30.6°F) is the average low-temperature during December.

In Opole, the average relative humidity in December is 84%.

In Opole, Poland, during December, the rain falls for 12.5 days and regularly aggregates up to 33mm (1.3") of precipitation.

In December, in Opole, Poland, it is snowing for 8 days. Throughout December, 62mm (2.44") of snow is accumulated.

The month with the shortest days is December, with an average of 8h and 6min of daylight.

In December, the average day length in Opole, Poland, is 8h and 4min.

On the first day of December in Opole, Poland, sunrise is at 07:28 and sunset at 15:46. On the last day of the month, sunrise is at 07:49 and sunset at 15:53 CET.

In Opole, Poland, the average sunshine duration in December is 4.1h.

With an average maximum UV index of 1, December is the month with the lowest UV index in Opole.

In December, the average daily maximum UV index in Opole is 1. A UV Index estimate of 2, and below, represents a low health risk 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
Opole, Poland

  • Average high temperature in December: 3.3°C

The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (1°C).

  • Average low temperature in December: -0.8°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 (-2.8°C).

Average pressure in December
Opole, Poland

  • Average pressure in December: 1017.8mbar

The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).

Average wind speed in December
Opole, Poland

  • Average wind speed in December: 13.5km/h

The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in December
Opole, Poland

  • Average humidity in December: 84%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).

Average rainfall in December
Opole, Poland

  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (24mm).

Average rainfall days in December
Opole, Poland

  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in December
Opole, Poland

  • Average snowfall in December: 62mm

The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Opole, Poland

  • Average snowfall days in December: 8 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 6min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in December: 4h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).

Average sunshine days in December
Opole, Poland

  • Average sunshine days in December: 11.7 days

The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in December
Opole, Poland

  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Opole, Poland

  • Average cloud cover in December: 59

The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Opole, Poland

  • Average visibility in December: 9km

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