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 start of December involves a subtle temperature drop, shifting from a chilly 7.2°C (45°F) in November to a wintry 2.5°C (36.5°F). A consistent average low-temperature of -1°C (30.2°F), with a minor variance from the daytime highs, is noted during the nights of December.Humidity
The average relative humidity in December in Grochowalsk, Poland, is 87%.Rainfall
In Grochowalsk, Poland, during December, the rain falls for 11.4 days and regularly aggregates up to 24mm (0.94") of precipitation. Throughout the year, in Grochowalsk, there are 142.7 rainfall days, and 343mm (13.5") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 6.8 days. Throughout December, 30mm (1.18") of snow is accumulated. Throughout the year, in Grochowalsk, there are 35.6 snowfall days, and 217mm (8.54") 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 the month, sunrise is at 07:32 and sunset at 15:31. On the last day of December, sunrise is at 07:54 and sunset at 15:37 CET.
Sunshine
The average sunshine in December in Grochowalsk is 3.2h.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 minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Grochowalsk in December?
What is the average humidity in December in Grochowalsk?
How many days does it rain in December in Grochowalsk?
How much does it snow in Grochowalsk in December?
What is the month with the shortest days in Grochowalsk?
What is the average length of the day in December in Grochowalsk?
What time are sunrise and sunset in December in Grochowalsk?
How long on average sun shines in December in Grochowalsk?
When is the lowest UV index in Grochowalsk?
What is the UV index reading in December in Grochowalsk?
Average temperature in December
Grochowalsk, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -1°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in December
Grochowalsk, Poland
- Average pressure in December: 1015.5mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in December
Grochowalsk, Poland
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is December (15.4km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in December
Grochowalsk, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Grochowalsk, Poland
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Grochowalsk, Poland
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Grochowalsk, Poland
- Average snowfall in December: 30mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grochowalsk, Poland
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grochowalsk, 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 1min
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 54min).
Average sunshine days in December
Grochowalsk, Poland
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Grochowalsk, 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
Grochowalsk, Poland
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Grochowalsk, Poland
- Average visibility in December: 8km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).
