December weather forecastSzla, Poland

December

Weather in December

December, the first month of the winter in Szla, is still a cold month, with an average temperature varying between 1.6°C (34.9°F) and -1.6°C (29.1°F).

Temperature

December heralds a minor drop in average high-temperature, sliding from November's frosty 6.5°C (43.7°F) to an icy 1.6°C (34.9°F). Szla's December nights demonstrate minimal variation from the daytime temperatures, with an average of -1.6°C (29.1°F).

Humidity

The average relative humidity in December is 89%.

Rainfall

In Szla, in December, during 9.4 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Szla, during the entire year, the rain falls for 135.2 days and collects up to 349mm (13.74") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 8.7 days. Throughout December, 51mm (2.01") of snow is accumulated. Throughout the year, in Szla, Poland, there are 43.2 snowfall days, and 291mm (11.46") of snow is accumulated.

Daylight

With an average of 7h and 42min of daylight, December has the shortest days of the year in Szla.
On the first day of December, sunrise is at 07:27 and sunset at 15:22. On the last day of the month, sunrise is at 07:49 and sunset at 15:28 CET.

Sunshine

In Szla, the average sunshine in December is 3h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Szla, Poland. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 1 during December translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

In December, in Szla, the average high-temperature is 1.6°C (34.9°F), and the average low-temperature is -1.6°C (29.1°F).

In December, the average relative humidity in Szla, Poland, is 89%.

In Szla, in December, it is raining for 9.4 days, with typically 24mm (0.94") of accumulated precipitation.

In Szla, Poland, in December, during 8.7 snowfall days, 51mm (2.01") of snow is typically accumulated.

December has the shortest days of the year, with an average of 7h and 42min of daylight.

The average day length in December in Szla is 7h and 39min.

In December, on the first day of the month, sunrise is at 07:27 and sunset at 15:22. On the last day of the month, sunrise is at 07:49 and sunset at 15:28 CET.

In December, the average sunshine duration is 3h.

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

In December, the average daily maximum UV index in Szla, Poland, is 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
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
Szla, Poland

  • Average high temperature in December: 1.6°C

The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in December: -1.6°C

The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).

Average pressure in December
Szla, Poland

  • Average pressure in December: 1015.4mbar

The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).

Average wind speed in December
Szla, Poland

  • Average wind speed in December: 13.4km/h

The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in December
Szla, Poland

  • Average humidity in December: 89%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).

Average rainfall in December
Szla, Poland

  • Average rainfall in December: 24mm

The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in December
Szla, Poland

  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
Szla, Poland

  • Average snowfall in December: 51mm

The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Szla, Poland

  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 7h and 42min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in December: 3h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Szla, Poland

  • Average sunshine days in December: 14.1 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in December
Szla, Poland

  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Szla, Poland

  • Average cloud cover in December: 72

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Szla, Poland

  • Average visibility in December: 8km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).