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 signals a slight drop in average high-temperature, sliding from November's frosty 45.5°F to an icy 37.6°F. During December, Grzęzno's nights hold steady with an average temperature of 31.3°F, barely dropping from the daytime highs.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 89%.Rainfall
In December, the rain falls for 15.1 days. Throughout December, 1.77" of precipitation is accumulated. Throughout the year, in Grzęzno, there are 161.6 rainfall days, and 16.65" of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Grzęzno. In Grzęzno, during December, snow falls for 9.1 days and regularly aggregates up to 2.4" of snow. Throughout the year, there are 40.2 snowfall days, and 10.55" of snow is accumulated.Daylight
The month with the shortest days in Grzęzno, Poland, is December, with an average of 7h and 36min of daylight.On the first day of December in Grzęzno, Poland, sunrise is at 07:52 and sunset at 15:43. On the last day of the month, sunrise is at 08:15 and sunset at 15:49 CET.
Sunshine
In Grzęzno, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Grzęzno?
What are the most humid months in Grzęzno?
What is the average humidity in December in Grzęzno?
How many days does it rain in December in Grzęzno?
How many days does it snow in December in Grzęzno?
What is the month with the shortest days in Grzęzno?
What is the average length of the day in December in Grzęzno?
When are sunrise and sunset in December in Grzęzno?
How many hours of sunshine does Grzęzno have in December?
What is the month with the lowest UV index in Grzęzno?
What is the UV index reading in December in Grzęzno?
Average temperature in December
Grzęzno, Poland
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is August (57.6°F).
The coldest month (with the lowest average low temperature) is January (28°F).
Average pressure in December
Grzęzno, Poland
- Average pressure in December: 29.93"Hg
The months with the highest atmospheric pressure are September and October (30.02"Hg).
The month with the lowest atmospheric pressure is November (29.92"Hg).
Average wind speed in December
Grzęzno, Poland
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is December (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in December
Grzęzno, 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 (71%).
Average rainfall in December
Grzęzno, Poland
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is January (1.89").
The driest month (with the least rainfall) is April (0.71").
Average rainfall days in December
Grzęzno, Poland
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in December
Grzęzno, Poland
- Average snowfall in December: 2.4"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Grzęzno, Poland
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grzęzno, 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: 2h and 5min
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 48min).
Average sunshine days in December
Grzęzno, Poland
- Average sunshine days in December: 8.3 days
The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is December (8.3 days).
Average UV index in December
Grzęzno, 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 January, November and December (UV index 1).
Average cloud cover in December
Grzęzno, Poland
- Average cloud cover in December: 73
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Grzęzno, Poland
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
