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
As December arrives, Aurora's weather displays a notable decrease in high-temperatures, falling from November's wintry 41.2°F (5.1°C) to a freezing cold 25.7°F (-3.5°C). Aurora sees an average low-temperature of 13.6°F (-10.2°C) during December.Humidity
In Aurora, the average relative humidity in December is 86%.Rainfall
In December, the rain falls for 5.1 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in Aurora, South Dakota, there are 125.5 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
Months with snowfall in Aurora are January through May, October through December. In Aurora, during December, snow falls for 13.3 days and regularly aggregates up to 4.65" (118mm) of snow. Throughout the year, there are 61.5 snowfall days, and 21.38" (543mm) of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:43 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 4:57 pm CST.
Sunshine
In Aurora, the average sunshine in December is 4.2h.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Aurora have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Aurora?
What is the UV index reading in December?
Average temperature in December
Aurora, SD
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 13.6°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in December
Aurora, SD
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Aurora, SD
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in December
Aurora, SD
- Average humidity in December: 86%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Aurora, SD
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in December
Aurora, SD
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in December
Aurora, SD
- Average snowfall in December: 4.65"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Aurora, SD
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is January (14.4 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, SD
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Aurora, SD
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Aurora, SD
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Aurora, SD
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Aurora, SD
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Aurora, South Dakota, USA
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