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
The average high-temperature shows a slight dip in December, from November's chilly 6.2°C (43.2°F) to an icy 1.4°C (34.5°F). During the December nights, Jonne's temperature maintains an average close to the daytime highs, settling at a freezing cold -1.9°C (28.6°F).Humidity
In December, the average relative humidity in Jonne is 89%.Rainfall
In December, in Jonne, Poland, the rain falls for 9.1 days. Throughout December, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 126.8 rainfall days, and 277mm (10.91") of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Jonne, Poland. In Jonne, Poland, during December, snow falls for 10.2 days and regularly aggregates up to 56mm (2.2") of snow. In Jonne, during the entire year, snow falls for 46.4 days and aggregates up to 230mm (9.06") of snow.Daylight
The month with the shortest days in Jonne is December, with an average of 7h and 42min of daylight.On the first day of the month, sunrise is at 07:31 and sunset at 15:28. On the last day of December, sunrise is at 07:53 and sunset at 15:34 CET.
Sunshine
In December, the average sunshine in Jonne, Poland, is 2.8h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Jonne. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Jonne?
What is the average humidity in December in Jonne?
How many days does it rain in December in Jonne?
How much does it snow in Jonne in December?
What is the month with the shortest days in Jonne?
How many hours of daylight does Jonne have in December?
What time are sunrise and sunset in December in Jonne?
How many hours of sunshine does Jonne have in December?
What is the month with the lowest UV index in Jonne?
How high is the UV index in December in Jonne?
Average temperature in December
Jonne, Poland
- Average high temperature in December: 1.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in December
Jonne, Poland
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in December
Jonne, Poland
- Average wind speed in December: 13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in December
Jonne, Poland
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Jonne, Poland
- Average rainfall in December: 20mm
The wettest month (with the highest rainfall) is May (40mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Jonne, Poland
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Jonne, Poland
- Average snowfall in December: 56mm
The month with the highest snowfall is January (86mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in December
Jonne, Poland
- Average snowfall days in December: 10.2 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jonne, Poland
- Average daylight in December: 7h and 4min
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: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Jonne, Poland
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Jonne, 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
Jonne, Poland
- Average cloud cover in December: 73
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
Jonne, 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).
