December weather forecastOak Hills Addition, SD
December
Weather in December
December, the first month of the winter in Oak Hills Addition, is still a freezing cold month, with an average temperature varying between 29.8°F (-1.2°C) and 18°F (-7.8°C).Temperature
As December arrives, Oak Hills Addition's weather displays a notable decrease in high-temperatures, falling from November's frosty 45.9°F (7.7°C) to a freezing cold 29.8°F (-1.2°C). During December, the average low-temperature is a still subzero cold 18°F (-7.8°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In December, the rain falls for 3.7 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Oak Hills Addition, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. December is the month with the most snowfall in Oak Hills Addition. Snow falls for 8.1 days and accumulates 2.95" (75mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:41 am and sunset at 4:56 pm. On the last day of December, sunrise is at 8:00 am and sunset at 5:06 pm CST.
Sunshine
In Oak Hills Addition, the average sunshine in December is 4.7h.UV index
The average daily maximum UV index in December in Oak Hills Addition is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December leads to these advisories:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oak Hills Addition, SD
- Average high temperature in December: 29.8°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 18°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in December
Oak Hills Addition, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Oak Hills Addition, SD
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Oak Hills Addition, SD
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in December
Oak Hills Addition, SD
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in December
Oak Hills Addition, SD
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Oak Hills Addition, SD
- Average snowfall in December: 2.95"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Oak Hills Addition, SD
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Oak Hills Addition, SD
- Average daylight in December: 9h and 6min
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: 4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Oak Hills Addition, SD
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Oak Hills Addition, SD
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Oak Hills Addition, SD
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Oak Hills Addition, SD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
