December weather forecastJarnuty, Poland
December
Weather in December
December, the first month of the winter in Jarnuty, is still a cold month, with an average temperature ranging between max 1.5°C (34.7°F) and min -1.8°C (28.8°F).Temperature
December reveals a small adjustment in temperature, transitioning from an average high of a chilly 6.3°C (43.3°F) in November to a wintry 1.5°C (34.7°F). Jarnuty records a consistent average nighttime temperature of -1.8°C (28.8°F) in December, slightly lower than the daytime high.Humidity
The average relative humidity in December is 89%.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 28mm (1.1") of precipitation is accumulated. Throughout the year, there are 148.8 rainfall days, and 426mm (16.77") of precipitation is accumulated.Snowfall
Months with snowfall in Jarnuty are January through May, October through December. In Jarnuty, during December, snow falls for 9.8 days and regularly aggregates up to 64mm (2.52") of snow. In Jarnuty, during the entire year, snow falls for 40.6 days and aggregates up to 274mm (10.79") of snow.Daylight
With an average of 7h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:24 and sunset at 15:20. On the last day of the month, sunrise is at 07:46 and sunset at 15:26 CET.
Sunshine
In December, the average sunshine in Jarnuty is 3h.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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jarnuty, Poland
- Average high temperature in December: 1.5°C
The warmest months (with the highest average high temperature) are July and August (24.3°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in December: -1.8°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in December
Jarnuty, Poland
- Average pressure in December: 1015.3mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in December
Jarnuty, Poland
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Jarnuty, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in December
Jarnuty, Poland
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is May (64mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in December
Jarnuty, Poland
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Jarnuty, Poland
- Average snowfall in December: 64mm
The month with the highest snowfall is January (79mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Jarnuty, Poland
- Average snowfall days in December: 9.8 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jarnuty, Poland
- Average daylight in December: 7h and 42min
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 months with the least sunshine are January and February (Average sunshine: 2h and 30min).
Average sunshine days in December
Jarnuty, Poland
- Average sunshine days in December: 12.5 days
The months with the most sunshine days are March and October (16.3 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in December
Jarnuty, Poland
- Average UV index in December: 1
The months with the highest UV index are 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
Jarnuty, Poland
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Jarnuty, Poland
- Average visibility in December: 8km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
