December weather forecastGrywałd, Poland
December
Weather in December
December, the first month of the winter in Grywałd, is still a freezing cold month, with temperature in the range of an average low of -5.1°C (22.8°F) and an average high of -0.3°C (31.5°F).Temperature
Grywałd in December demonstrates a small temperature transition, adjusting from an average high of a cold 5.8°C (42.4°F) in November to a subzero cold -0.3°C (31.5°F). December nights in Grywałd reflect a consistent temperature dip to a still freezing cold -5.1°C (22.8°F), a slight descent from daytime peaks.Humidity
In December, the average relative humidity is 89%.Rainfall
In Grywałd, Poland, in December, during 4.4 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 149.2 rainfall days, and 665mm (26.18") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. December is the month with the most snowfall. Snow falls for 13.5 days and accumulates 248mm (9.76") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 12min of daylight.On the first day of December, sunrise is at 07:13 and sunset at 15:41. On the last day of the month, sunrise is at 07:34 and sunset at 15:49 CET.
Sunshine
The average sunshine in December in Grywałd is 4.4h.UV index
The month with the lowest UV index in Grywałd is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 1 in December transforms into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grywałd, Poland
- Average high temperature in December: -0.3°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in December: -5.1°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is January (-7.1°C).
Average pressure in December
Grywałd, Poland
- Average pressure in December: 1019.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is June (1014.3mbar).
Average wind speed in December
Grywałd, Poland
- Average wind speed in December: 9.7km/h
The windiest month (with the highest average wind speed) is March (9.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in December
Grywałd, Poland
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Grywałd, Poland
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is May (109mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in December
Grywałd, Poland
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is June (24.5 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in December
Grywałd, Poland
- Average snowfall in December: 248mm
The month with the highest snowfall is December (248mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Grywałd, Poland
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Grywałd, Poland
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 24min
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 48min).
Average sunshine days in December
Grywałd, Poland
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (4.1 days).
Average UV index in December
Grywałd, 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
Grywałd, Poland
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Grywałd, Poland
- Average visibility in December: 7km
The months with the highest visibility are April, June, July, August and September (9km).
The months with the lowest visibility are January and February (6km).
