Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December brings a decrease in the average high-temperature, falling from November's frosty 8.1°C (46.6°F) to a wintry 2.2°C (36°F). A modest decline from daytime high temperatures in Grzawa is noticed in December, marking the average low at a subzero cold -2.2°C (28°F).Humidity
In December, the average relative humidity is 86%.Rainfall
In Grzawa, in December, during 8.6 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, there are 128.8 rainfall days, and 410mm (16.14") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Grzawa, in December, during 8.6 snowfall days, 111mm (4.37") of snow is typically accumulated. Throughout the year, there are 43.9 snowfall days, and 480mm (18.9") of snow is accumulated.Daylight
December has the shortest days of the year in Grzawa, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 07:20 and sunset at 15:45. On the last day of December, sunrise is at 07:41 and sunset at 15:51 CET.
Sunshine
In Grzawa, the average sunshine in December is 4.2h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
How cold is it in Grzawa in December?
What is the average humidity in December in Grzawa?
How much does it rain in Grzawa in December?
How many days does it snow in December in Grzawa?
What is the month with the shortest days in Grzawa?
What is the average length of the day in December in Grzawa?
What time are sunrise and sunset in December in Grzawa?
How long on average sun shines in December in Grzawa?
What is the month with the lowest UV index in Grzawa?
What is the UV index intensity in December in Grzawa?
Average temperature in December
Grzawa, Poland
- Average high temperature in December: 2.2°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -2.2°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).
Average pressure in December
Grzawa, Poland
- Average pressure in December: 1018.7mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).
Average wind speed in December
Grzawa, Poland
- Average wind speed in December: 12.6km/h
The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in December
Grzawa, Poland
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Grzawa, Poland
- Average rainfall in December: 36mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is November (20mm).
Average rainfall days in December
Grzawa, Poland
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Grzawa, Poland
- Average snowfall in December: 111mm
The month with the highest snowfall is January (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grzawa, Poland
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grzawa, Poland
- Average daylight in December: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in December
Grzawa, Poland
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in December
Grzawa, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Grzawa, Poland
- Average cloud cover in December: 59
The months with the most cloud cover are January and February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Grzawa, Poland
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
Grzawa, Poland
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