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
December
Weather in December
Temperature
The onset of December brings a small shift in high-temperatures, falling from a frosty 6.3°C (43.3°F) in November to a wintry 1.5°C (34.7°F). Prostyń's nighttime temperatures in December reveal a minimal variation from the daytime highs, averaging at a freezing cold -1.8°C (28.8°F).Humidity
The average relative humidity in December is 89%.Rainfall
In Prostyń, in December, it is raining for 10.5 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, in Prostyń, Poland, there are 148.8 rainfall days, and 426mm (16.77") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Prostyń. In December, in Prostyń, it is snowing for 9.8 days. Throughout December, 64mm (2.52") of snow is accumulated. Throughout the year, there are 40.6 snowfall days, and 274mm (10.79") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of December, sunrise is at 07:21 and sunset at 15:21. On the last day of the month, sunrise is at 07:43 and sunset at 15:27 CET.
Sunshine
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. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Prostyń in December?
What is the average humidity in December in Prostyń?
How many days does it rain in December in Prostyń?
How much does it snow in Prostyń in December?
What is the month with the shortest days in Prostyń?
How many hours of daylight does Prostyń have in December?
When are sunrise and sunset in December in Prostyń?
How long on average sun shines in December in Prostyń?
What is the month with the lowest UV index in Prostyń?
What is the UV index reading in December in Prostyń?
Average temperature in December
Prostyń, Poland
- Average high temperature in December: 1.5°C
The warmest months (with the highest average high temperature) are July and August (24.3°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in December: -1.8°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in December
Prostyń, Poland
- Average pressure in December: 1015.3mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Prostyń, 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 (10.1km/h).
Average humidity in December
Prostyń, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in December
Prostyń, Poland
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is May (64mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in December
Prostyń, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Prostyń, Poland
- Average snowfall in December: 64mm
The month with the highest snowfall is January (79mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Prostyń, Poland
- Average snowfall days in December: 9.8 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Prostyń, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
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 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).
Average sunshine days in December
Prostyń, Poland
- Average sunshine days in December: 12.5 days
The months with the most sunshine days are March and October (16.3 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in December
Prostyń, 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
Prostyń, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Prostyń, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
