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 arrival of December brings a significant change in Frankfort's weather, with average high-temperatures dropping from November's chilly 43.5°F (6.4°C) to a subzero cold 26.4°F (-3.1°C). The average temperature during December nights is registered at 14.2°F (-9.9°C).Humidity
In Frankfort, the average relative humidity in December is 84%.Rainfall
In December, in Frankfort, the rain falls for 2.7 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Frankfort, during the entire year, the rain falls for 97.6 days and collects up to 17.83" (453mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Frankfort. In Frankfort, in December, snow falls for 9 days, with typically accumulated 3.23" (82mm) of snow. Throughout the year, there are 43.7 snowfall days, and 18.66" (474mm) 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 the month, sunrise is at 7:51 am and sunset at 4:53 pm. On the last day of December, sunrise is at 8:10 am and sunset at 5:02 pm CST.
Sunshine
In December, the average sunshine is 4.6h.UV index
In Frankfort, South Dakota, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is it in Frankfort in December?
What is the average humidity in December in Frankfort?
How much does it rain in Frankfort in December?
How many days does it snow in December in Frankfort?
What is the month with the shortest days in Frankfort?
How many hours of daylight does Frankfort have in December?
When is the sunrise / sunset in December in Frankfort?
How many hours of sunshine does Frankfort have in December?
What is the UV index reading in December in Frankfort?
Average temperature in December
Frankfort, SD
- Average high temperature in December: 26.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in December: 14.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in December
Frankfort, 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
Frankfort, SD
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity in December
Frankfort, SD
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).
Average rainfall in December
Frankfort, SD
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Frankfort, SD
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Frankfort, SD
- Average snowfall in December: 3.23"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Frankfort, SD
- Average snowfall days in December: 9 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Frankfort, 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 4min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Frankfort, SD
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in December
Frankfort, SD
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in December
Frankfort, SD
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in December
Frankfort, 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).
Frankfort, South Dakota, USA
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