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 slightly decreases in December, shifting from a chilly 7.7°C (45.9°F) in November to a wintry 3.9°C (39°F). December nighttime temperatures hover close to the daytime peak with an average of 1.3°C (34.3°F).Humidity
January, February and December, with an average relative humidity of 85%, are the most humid months in Stary Jarosław.Rainfall
In Stary Jarosław, in December, it is raining for 15.2 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, there are 141 rainfall days, and 379mm (14.92") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Stary Jarosław, Poland, in December, snow falls for 5.9 days, with typically accumulated 27mm (1.06") of snow. In Stary Jarosław, Poland, during the entire year, snow falls for 29.2 days and aggregates up to 146mm (5.75") of snow.Daylight
The month with the shortest days is December, with an average of 7h and 24min of daylight.On the first day of December in Stary Jarosław, sunrise is at 07:52 and sunset at 15:33. On the last day of the month, sunrise is at 08:14 and sunset at 15:39 CET.
Sunshine
January and December, with an average of 3h of sunshine, are months with the least sunshine.UV index
The month with the lowest UV index in Stary Jarosław is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Enhance your sun protection with tightly woven, yet airy clothing. 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
How cold does it get in Stary Jarosław in December?
What is the most humid month in Stary Jarosław?
What is the average humidity in December in Stary Jarosław?
How many days does it rain in December in Stary Jarosław?
How many days does it snow in December in Stary Jarosław?
What is the month with the shortest days in Stary Jarosław?
What is the average length of the day in December in Stary Jarosław?
When are sunrise and sunset in December in Stary Jarosław?
What are the months with the least sunshine in Stary Jarosław?
How long on average sun shines in December in Stary Jarosław?
What is the month with the lowest UV index in Stary Jarosław?
What is the UV index reading in December in Stary Jarosław?
Average temperature in December
Stary Jarosław, Poland
- Average high temperature in December: 3.9°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.7°C).
- Average low temperature in December: 1.3°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in December
Stary Jarosław, Poland
- Average pressure in December: 1012.7mbar
The month with the highest atmospheric pressure is October (1016.2mbar).
The month with the lowest atmospheric pressure is December (1012.7mbar).
Average wind speed in December
Stary Jarosław, Poland
- Average wind speed in December: 23.7km/h
The windiest month (with the highest average wind speed) is December (23.7km/h).
The calmest month (with the lowest average wind speed) is June (16.3km/h).
Average humidity in December
Stary Jarosław, Poland
- Average humidity in December: 85%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Stary Jarosław, Poland
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is July (41mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in December
Stary Jarosław, Poland
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is December (15.2 days).
The month with the least rainy days is April (8.9 days).
Average snowfall in December
Stary Jarosław, Poland
- Average snowfall in December: 27mm
The month with the highest snowfall is January (54mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Stary Jarosław, Poland
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Stary Jarosław, Poland
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- 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 December (Average sunshine: 3h and 0min).
Average sunshine days in December
Stary Jarosław, Poland
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is April (18.8 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in December
Stary Jarosław, 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
Stary Jarosław, Poland
- Average cloud cover in December: 71
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Stary Jarosław, Poland
- Average visibility in December: 9km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
