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
December ushers in a minute temperature change, with average high-temperatures reducing from November's chilly 6.4°C (43.5°F) to a wintry 2°C (35.6°F). Stare Gronowo observes a minimal variance in temperature, with a consistent average low of -1.5°C (29.3°F) during the nights of December.Humidity
The months with the highest humidity in Stare Gronowo are January and December, with an average relative humidity of 89%.Rainfall
In December, in Stare Gronowo, the rain falls for 10.4 days. Throughout December, 25mm (0.98") of precipitation is accumulated. In Stare Gronowo, during the entire year, the rain falls for 129.1 days and collects up to 321mm (12.64") of precipitation.Snowfall
January through May, October through December are months with snowfall in Stare Gronowo. In Stare Gronowo, in December, snow falls for 8.6 days, with typically accumulated 42mm (1.65") of snow. Throughout the year, in Stare Gronowo, there are 41.3 snowfall days, and 212mm (8.35") of snow is accumulated.Daylight
December has the shortest days of the year in Stare Gronowo, with an average of 7h and 36min of daylight.On the first day of December in Stare Gronowo, sunrise is at 07:44 and sunset at 15:35. On the last day of the month, sunrise is at 08:06 and sunset at 15:40 CET.
Sunshine
In December, the average sunshine in Stare Gronowo is 3h.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Stare Gronowo in December?
What is the most humid month in Stare Gronowo?
What is the average humidity in December in Stare Gronowo?
How many days does it rain in December in Stare Gronowo?
How much does it snow in Stare Gronowo in December?
What is the month with the shortest days in Stare Gronowo?
How many hours of daylight does Stare Gronowo have in December?
When is the sunrise / sunset in December in Stare Gronowo?
How many hours of sunshine does Stare Gronowo have in December?
What is the UV index intensity in December in Stare Gronowo?
Average temperature in December
Stare Gronowo, Poland
- Average high temperature in December: 2°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in December
Stare Gronowo, Poland
- Average pressure in December: 1014mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in December
Stare Gronowo, Poland
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in December
Stare Gronowo, Poland
- Average humidity in December: 89%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is April (69%).
Average rainfall in December
Stare Gronowo, Poland
- Average rainfall in December: 25mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Stare Gronowo, Poland
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Stare Gronowo, Poland
- Average snowfall in December: 42mm
The month with the highest snowfall is January (76mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Stare Gronowo, Poland
- Average snowfall days in December: 8.6 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Stare Gronowo, Poland
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Stare Gronowo, Poland
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is February (12 days).
Average UV index in December
Stare Gronowo, Poland
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in December
Stare Gronowo, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Stare Gronowo, Poland
- Average visibility in December: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and December (8km).
