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
Grochy, Poland, in December undergoes a mild reduction in the average high-temperature, shifting from November's 5.9°C (42.6°F) to a still wintry 0.8°C (33.4°F). Grochy notes a consistent average low-temperature of -2°C (28.4°F) during December nights.Humidity
In December, the average relative humidity in Grochy is 90%.Rainfall
In Grochy, during December, the rain falls for 11.4 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 164.4 rainfall days, and 515mm (20.28") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Grochy, in December, snow falls for 15.5 days, with typically accumulated 126mm (4.96") of snow. In Grochy, during the entire year, snow falls for 71.5 days and aggregates up to 596mm (23.46") of snow.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year in Grochy.On the first day of the month, sunrise is at 07:19 and sunset at 15:16. On the last day of December, sunrise is at 07:41 and sunset at 15:22 CET.
Sunshine
The average sunshine in December is 2.6h.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
How cold is it in Grochy in December?
What is the average humidity in December in Grochy?
How many days does it rain in December in Grochy?
How much does it snow in Grochy in December?
What is the month with the shortest days in Grochy?
How many hours of daylight does Grochy have in December?
When is the sunrise / sunset in December in Grochy?
How long on average sun shines in December in Grochy?
When is the lowest UV index in Grochy?
How high is the UV index in December in Grochy?
Average temperature in December
Grochy, Poland
- Average high temperature in December: 0.8°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 (-1.5°C).
- Average low temperature in December: -2°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in December
Grochy, Poland
- Average pressure in December: 1015.5mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in December
Grochy, Poland
- Average wind speed in December: 13.2km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in December
Grochy, Poland
- Average humidity in December: 90%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in December
Grochy, Poland
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in December
Grochy, Poland
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Grochy, Poland
- Average snowfall in December: 126mm
The month with the highest snowfall is January (192mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Grochy, Poland
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grochy, 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: 2h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 12min).
Average sunshine days in December
Grochy, Poland
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are January and February (6.8 days).
Average UV index in December
Grochy, Poland
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Grochy, Poland
- Average cloud cover in December: 75
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Grochy, Poland
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).
Grochy, Poland
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