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 entails a subtle temperature shift, as the average high-temperature eases from a chilly 7.5°C (45.5°F) in November to a cold 2.7°C (36.9°F). December introduces a small decrease to a nighttime average of -1°C (30.2°F).Humidity
The average relative humidity in December is 88%.Rainfall
In December, the rain falls for 11.5 days. Throughout December, 31mm (1.22") of precipitation is accumulated. Throughout the year, in Gruntowice, there are 130.5 rainfall days, and 345mm (13.58") of precipitation is accumulated.Snowfall
Months with snowfall in Gruntowice are January through May, October through December. In Gruntowice, during December, snow falls for 8.8 days and regularly aggregates up to 53mm (2.09") of snow. In Gruntowice, during the entire year, snow falls for 44.2 days and aggregates up to 269mm (10.59") of snow.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year in Gruntowice.On the first day of the month, sunrise is at 07:40 and sunset at 15:38. On the last day of December, sunrise is at 08:02 and sunset at 15:44 CET.
Sunshine
The average sunshine in December is 3h.UV index
The months with the lowest UV index in Gruntowice are November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Consider this! The reflection from 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 December in Gruntowice?
What is the average humidity in December in Gruntowice?
How many days does it rain in December in Gruntowice?
How much does it snow in Gruntowice in December?
What is the month with the shortest days in Gruntowice?
What is the average length of the day in December in Gruntowice?
What time are sunrise and sunset in December in Gruntowice?
How long on average sun shines in December in Gruntowice?
What are the months with the lowest UV index in Gruntowice?
How high is the UV index in December in Gruntowice?
Average temperature in December
Gruntowice, Poland
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (0.5°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 (-3.1°C).
Average pressure in December
Gruntowice, Poland
- Average pressure in December: 1015.6mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Gruntowice, 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 (12km/h).
Average humidity in December
Gruntowice, Poland
- Average humidity in December: 88%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Gruntowice, Poland
- Average rainfall in December: 31mm
The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in December
Gruntowice, Poland
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is September (7.2 days).
Average snowfall in December
Gruntowice, Poland
- Average snowfall in December: 53mm
The month with the highest snowfall is January (99mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Gruntowice, Poland
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gruntowice, 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 month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Gruntowice, Poland
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is September (21.7 days).
The month with the least sunshine days is January (9.8 days).
Average UV index in December
Gruntowice, Poland
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in December
Gruntowice, Poland
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Gruntowice, Poland
- Average visibility in December: 8km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).
