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
Weather in December
Temperature
The start of December involves a temperature drop, moving from a chilly 45.1°F (7.3°C) in November to an icy 34.7°F (1.5°C). Aurora, in December, experiences an average temperature of 25.5°F (-3.6°C) at night.Humidity
In December, the average relative humidity in Aurora is 85%.Rainfall
In Aurora, during December, the rain falls for 8 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Aurora, during the entire year, the rain falls for 130.6 days and collects up to 11.46" (291mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 11.6 days. Throughout December, 1.46" (37mm) of snow is accumulated. Throughout the year, in Aurora, there are 58.2 snowfall days, and 7.6" (193mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:43 pm EST.
Sunshine
In December, the average sunshine is 3.2h.UV index
The months with the lowest UV index are January and 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: In December, the maximum UV index of 1 translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December in Aurora?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Aurora, NY
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Aurora, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Aurora, NY
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in December
Aurora, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
Aurora, NY
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (1.38").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Aurora, NY
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Aurora, NY
- Average snowfall in December: 1.46"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Aurora, NY
- Average snowfall days in December: 11.6 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Aurora, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in December
Aurora, NY
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (11.2 days).
Average UV index in December
Aurora, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Aurora, NY
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Aurora, NY
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February, March and September (5mi).
Aurora, New York, USA
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