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 shift from November to December sees a distinct decrease in the average high-temperature, dropping from a frosty 43.7°F (6.5°C) to a subzero cold 26.8°F (-2.9°C). During December, Ree Heights records a consistent average nighttime temperature of 14.9°F (-9.5°C).Humidity
The average relative humidity in December in Ree Heights is 83%.Rainfall
In Ree Heights, during December, the rain falls for 2.5 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 97.3 rainfall days, and 16.73" (425mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Ree Heights, South Dakota. In Ree Heights, in December, snow falls for 10 days, with typically accumulated 2.4" (61mm) of snow. In Ree Heights, during the entire year, snow falls for 47.1 days and aggregates up to 16.06" (408mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Ree Heights, South Dakota.On the first day of December in Ree Heights, South Dakota, sunrise is at 7:53 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 8:13 am and sunset at 5:07 pm CST.
Sunshine
The average sunshine in December is 4.4h.UV index
In Ree Heights, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is December in Ree Heights?
What is the average humidity in December in Ree Heights?
How many days does it rain in December in Ree Heights?
How much does it snow in Ree Heights in December?
What is the month with the shortest days in Ree Heights?
What is the average length of the day in December in Ree Heights?
When is the sunrise / sunset in December in Ree Heights?
How long on average sun shines in December in Ree Heights?
How high is the UV index in December in Ree Heights?
Average temperature in December
Ree Heights, SD
- Average high temperature in December: 26.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in December
Ree Heights, 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 (29.84"Hg).
Average wind speed in December
Ree Heights, SD
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in December
Ree Heights, SD
- Average humidity in December: 83%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).
Average rainfall in December
Ree Heights, SD
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Ree Heights, SD
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in December
Ree Heights, SD
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ree Heights, SD
- Average snowfall days in December: 10 days
The months with the highest number of snowfall days are January and February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ree Heights, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Ree Heights, SD
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Ree Heights, 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 February (UV index 1).
Average cloud cover in December
Ree Heights, SD
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in December
Ree Heights, 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).
Ree Heights, South Dakota, USA
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