December weather forecastGrajów, Poland
December
Weather in December
The first month of the winter, December, is also an icy month in Grajów, Poland, with an average temperature varying between 2.6°C (36.7°F) and -1.5°C (29.3°F).Temperature
The average high-temperature decreases in December, shifting from a frosty 8.6°C (47.5°F) in November to a wintry 2.6°C (36.7°F). In December, Grajów's nights cool slightly to a consistent average temperature of -1.5°C (29.3°F).Humidity
In December, the average relative humidity in Grajów is 83%.Rainfall
In December, the rain falls for 6 days. Throughout December, 16mm (0.63") of precipitation is accumulated. Throughout the year, there are 123.2 rainfall days, and 368mm (14.49") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Grajów. In Grajów, Poland, in December, snow falls for 5.5 days, with typically accumulated 35mm (1.38") of snow. Throughout the year, there are 24.6 snowfall days, and 153mm (6.02") of snow is accumulated.Daylight
The month with the shortest days in Grajów is December, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 07:16 and sunset at 15:40. On the last day of the month, sunrise is at 07:37 and sunset at 15:47 CET.
Sunshine
In Grajów, Poland, the average sunshine in December is 4.3h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grajów, Poland
- Average high temperature in December: 2.6°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in December: -1.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in December
Grajów, Poland
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The months with the lowest atmospheric pressure are June and July (1014.5mbar).
Average wind speed in December
Grajów, Poland
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is March (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in December
Grajów, Poland
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Grajów, Poland
- Average rainfall in December: 16mm
The wettest month (with the highest rainfall) is May (65mm).
The driest months (with the least rainfall) are January and March (14mm).
Average rainfall days in December
Grajów, Poland
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in December
Grajów, Poland
- Average snowfall in December: 35mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Grajów, Poland
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Grajów, Poland
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in December
Grajów, Poland
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in December
Grajów, Poland
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Grajów, Poland
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Grajów, Poland
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
