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 average high-temperature exhibits a considerable decrease in December, dropping from a wintry 41.9°F (5.5°C) in November to a freezing cold 25.7°F (-3.5°C). Rutland's nights in December experience an average temperature drop to a still subzero cold 14.2°F (-9.9°C).Humidity
In December, the average relative humidity in Rutland is 86%.Rainfall
In December, in Rutland, the rain falls for 3.3 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Rutland, during the entire year, the rain falls for 111.2 days and collects up to 21.14" (537mm) of precipitation.Snowfall
Months with snowfall in Rutland, South Dakota, are January through May, October through December. In December, in Rutland, South Dakota, it is snowing for 10.3 days. Throughout December, 4.21" (107mm) of snow is accumulated. Throughout the year, in Rutland, there are 49.4 snowfall days, and 20.04" (509mm) 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 4:50 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 4:59 pm CST.
Sunshine
In Rutland, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index in Rutland, South Dakota, are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is December in Rutland?
What is the average humidity in December in Rutland?
How many days does it rain in December in Rutland?
How many days does it snow in December in Rutland?
What is the month with the shortest days in Rutland?
How many hours of daylight does Rutland have in December?
When is the sunrise / sunset in December in Rutland?
How many hours of sunshine does Rutland have in December?
When is the lowest UV index in Rutland?
What is the UV index reading in December in Rutland?
Average temperature in December
Rutland, SD
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in December: 14.2°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in December
Rutland, 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 (29.85"Hg).
Average wind speed in December
Rutland, SD
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in December
Rutland, 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 (67%).
Average rainfall in December
Rutland, SD
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (0.59").
Average rainfall days in December
Rutland, SD
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in December
Rutland, SD
- Average snowfall in December: 4.21"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rutland, SD
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rutland, SD
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 24min).
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
Rutland, SD
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in December
Rutland, SD
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Rutland, SD
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Rutland, 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).
Rutland, South Dakota, USA
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