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
A moderate decline in average high-temperatures is noted in December, moving from a chilly 7.1°C (44.8°F) in November to a wintry 2.5°C (36.5°F). Grużajny indicates a consistently low-temperature of -0.6°C (30.9°F) during the nights of December.Humidity
In Grużajny, the average relative humidity in December is 87%.Rainfall
In Grużajny, during December, the rain falls for 14.4 days and regularly aggregates up to 38mm (1.5") of precipitation. In Grużajny, Poland, during the entire year, the rain falls for 157.3 days and collects up to 407mm (16.02") of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Grużajny, in December, during 9 snowfall days, 61mm (2.4") of snow is typically accumulated. Throughout the year, in Grużajny, there are 47 snowfall days, and 293mm (11.54") of snow is accumulated.Daylight
With an average of 7h and 30min of daylight, December has the shortest days of the year in Grużajny.On the first day of the month, sunrise is at 07:37 and sunset at 15:22. On the last day of December, in Grużajny, sunrise is at 07:59 and sunset at 15:27 CET.
Sunshine
The average sunshine in December in Grużajny is 3.3h.UV index
In Grużajny, 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 unsafe exposure to UV radiation for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
How cold is December in Grużajny?
What is the average humidity in December in Grużajny?
How much does it rain in Grużajny in December?
How much does it snow in Grużajny in December?
What is the month with the shortest days in Grużajny?
How many hours of daylight does Grużajny have in December?
When are sunrise and sunset in December in Grużajny?
How long on average sun shines in December in Grużajny?
What is the UV index intensity in December in Grużajny?
Average temperature in December
Grużajny, Poland
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in December: -0.6°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in December
Grużajny, Poland
- Average pressure in December: 1013.7mbar
The month with the highest atmospheric pressure is October (1016.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Grużajny, Poland
- Average wind speed in December: 17.8km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest months (with the lowest average wind speed) are June and August (12.4km/h).
Average humidity in December
Grużajny, Poland
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Grużajny, Poland
- Average rainfall in December: 38mm
The wettest months (with the highest rainfall) are May and July (45mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
Grużajny, Poland
- Average rainfall days in December: 14.4 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (10 days).
Average snowfall in December
Grużajny, Poland
- Average snowfall in December: 61mm
The month with the highest snowfall is January (106mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Grużajny, Poland
- Average snowfall days in December: 9 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, September and October (0 days).
Average daylight in December /
Average sunshine in December
Grużajny, Poland
- Average daylight in December: 7h and 3min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Grużajny, Poland
- Average sunshine days in December: 9 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in December
Grużajny, Poland
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Grużajny, Poland
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Grużajny, Poland
- Average visibility in December: 9km
The months with the highest visibility are June, August, September and October (10km).
The month with the lowest visibility is January (8km).
Grużajny, Poland
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