December weather forecast and climate
Sulejewo, Poland

The first month of the winter, December, is still a cold month in Sulejewo, Poland, with temperature in the range of an average high of 3.5°C (38.3°F) and an average low of -0.9°C (30.4°F).

Temperature

In Sulejewo, the average high-temperature drops, from a chilly 8.7°C (47.7°F) in November, to a cold 3.5°C (38.3°F). In December, in Sulejewo, Poland, the average low-temperature is -0.9°C (30.4°F).

Humidity

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

Rainfall

In Sulejewo, during December, the rain falls for 12.6 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, in Sulejewo, there are 166.7 rainfall days, and 444mm (17.48") of precipitation is accumulated.

Snowfall

Months with snowfall in Sulejewo are January through May, October through December. In Sulejewo, during 7.7 snowfall days, 54mm (2.13") of snow is typically accumulated. Throughout the year, in Sulejewo, there are 42.1 snowfall days, and 322mm (12.68") of snow is accumulated.

Daylight

With an average of 7.8h of daylight, December has the shortest days of the year in Sulejewo.

Sunshine

The average sunshine in Sulejewo is 3.8h.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Sulejewo?

The average high-temperature, in December, is 3.5°C (38.3°F), while the average low-temperature is -0.9°C (30.4°F).

What is the average humidity in December in Sulejewo?

The average relative humidity in December is 86%.

How much does it rain in Sulejewo in December?

In Sulejewo, Poland, in December, it is raining for 12.6 days, with typically 29mm (1.14") of accumulated precipitation.

How many days does it snow in December in Sulejewo?

In December, in Sulejewo, it is snowing for 7.7 days. Throughout December, 54mm (2.13") of snow is accumulated.

What is the month with the shortest days in Sulejewo?

With an average of 7.8h of daylight, December has the shortest days of the year in Sulejewo.

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

In Sulejewo, Poland, the average length of the day in December is 7.8h.

How many hours of sunshine does Sulejewo have in December?

In December, the average sunshine in Sulejewo is 3.8h.

When is the lowest UV index in Sulejewo?

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

How high is the UV index in December in Sulejewo?

The average daily maximum UV index in December in Sulejewo is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to the Sun's UV rays.
Average temperature in December - Sulejewo, Poland
  • Average high temperature in December: 3.5°C

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in December: -0.9°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 (-3.1°C).

Average humidity in December - Sulejewo, 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 (65%).

Average rainfall in December - Sulejewo, Poland
  • Average rainfall in December: 29mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (18mm).

Average rainfall days in December - Sulejewo, Poland
  • Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in December - Sulejewo, Poland
  • Average snowfall in December: 54mm

The month with the highest snowfall is January (118mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December - Sulejewo, Poland
  • Average snowfall days in December: 7.7 days

The month with the highest number of snowfall days is January (14.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Sulejewo, Poland
  • Average daylight in December: 7.8h

The month with the longest days is June (Average daylight: 16.7h).
The month with the shortest days is December (Average daylight: 7.8h).

  • Average sunshine in December: 3.8h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 3.4h).

Average UV index in December - Sulejewo, 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).