December weather forecast and climate
Szastały, Poland

The first month of the winter, December, is also a wintry month in Szastały, Poland, with average temperature ranging between max 0.8°C (33.4°F) and min -2.1°C (28.2°F).

Temperature

In December, the average high-temperature drops, from a chilly 6.1°C (43°F) in November, to a cold 0.8°C (33.4°F). In December, in Szastały, the average low-temperature is -2.1°C (28.2°F).

Humidity

The average relative humidity is 90%.

Rainfall

In December, the rain falls for 11.7 days. Throughout December, 43mm (1.69") of precipitation is accumulated. Throughout the year, in Szastały, there are 163.9 rainfall days, and 512mm (20.16") of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 15.2 days. Throughout December, 121mm (4.76") of snow is accumulated. Throughout the year, there are 70.6 snowfall days, and 580mm (22.83") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 7.7h of daylight.

Sunshine

In December, the average sunshine is 2.8h.

UV index

January, February, November 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 low health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 1 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Szastały?

In December, in Szastały, the average high-temperature is 0.8°C (33.4°F), and the average low-temperature is -2.1°C (28.2°F).

What is the average humidity in December in Szastały?

The average relative humidity in December is 90%.

How many days does it rain in December in Szastały?

In Szastały, in December, it is raining for 11.7 days, with typically 43mm (1.69") of accumulated precipitation.

How many days does it snow in December in Szastały?

In Szastały, in December, snow falls for 15.2 days, with typically accumulated 121mm (4.76") of snow.

What is the month with the shortest days in Szastały?

With an average of 7.7h of daylight, December has the shortest days of the year in Szastały.

How many hours of daylight does Szastały have in December?

In December, the average length of the day in Szastały is 7.7h.

How long on average sun shines in December in Szastały?

In December, the average sunshine in Szastały, Poland, is 2.8h.

When is the lowest UV index in Szastały?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in December in Szastały?

In December, the average daily maximum UV index in Szastały is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in December - Szastały, Poland
  • Average high temperature in December: 0.8°C

The warmest month (with the highest average high temperature) is August (24.1°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 (13.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in December - Szastały, Poland
  • Average pressure in December: 1015.8mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).

Average wind speed in December - Szastały, 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 - Szastały, Poland
  • Average humidity in December: 90%

The month with the highest relative humidity is January (92%).
Months with the lowest relative humidity are April and August (70%).

Average rainfall in December - Szastały, Poland
  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in December - Szastały, Poland
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December - Szastały, Poland
  • Average snowfall in December: 121mm

The month with the highest snowfall is January (187mm).
Months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December - Szastały, Poland
  • Average snowfall days in December: 15.2 days

The month with the highest number of snowfall days is January (20.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Szastały, Poland
  • Average daylight in December: 7.7h

The month with the longest days is June (Average daylight: 16.8h).
The month with the shortest days is December (Average daylight: 7.7h).

  • Average sunshine in December: 2.8h

The month with the most sunshine is August (Average sunshine: 10.4h).
Months with the least sunshine are January and February (Average sunshine: 2.3).

Average sunshine days in December - Szastały, Poland
  • Average sunshine days in December: 7.6 days

The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is January (6.4 days).

Average UV index in December - Szastały, Poland
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December - Szastały, Poland
  • Average cloud cover in December: 74

The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 33).

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

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