December weather forecastDell Rapids, SD
December
Weather in December
Finally, December in Dell Rapids, South Dakota is characteristic of its wintry conditions. The cold is expected, and residents are often prepared for this time of year, expecting temperatures to reach as low as 14.9°F (-9.5°C). With the frosty weather comes heavy snowfall, often blanketing the city, transforming it into a winter wonderland. Despite the decreased daylight hours, the city radiates a festive charm under the glow of holiday lights, offering a magical conclusion to the year.Temperature
With the onset of December, Dell Rapids's average high-temperature witnesses a clear drop, receding from November's wintry 42.3°F (5.7°C) to a subzero cold 26.4°F (-3.1°C). Dell Rapids, during the month of December, experiences an average low-temperature of 14.9°F (-9.5°C).Humidity
In Dell Rapids, South Dakota, the average relative humidity in December is 85%.Rainfall
In Dell Rapids, in December, it is raining for 3.5 days, with typically 1.02" (26mm) of accumulated precipitation. In Dell Rapids, during the entire year, the rain falls for 116.4 days and collects up to 21.38" (543mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Dell Rapids, in December, during 10.3 snowfall days, 4.17" (106mm) of snow is typically accumulated. In Dell Rapids, during the entire year, snow falls for 45.6 days and aggregates up to 19.49" (495mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:41 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 4:59 pm CST.
Sunshine
In Dell Rapids, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dell Rapids, SD
- Average high temperature in December: 26.4°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in December: 14.9°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 (8.2°F).
Average pressure in December
Dell Rapids, 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
Dell Rapids, SD
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).
Average humidity in December
Dell Rapids, SD
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Dell Rapids, SD
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Dell Rapids, SD
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in December
Dell Rapids, SD
- Average snowfall in December: 4.17"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dell Rapids, SD
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is December (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dell Rapids, SD
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Dell Rapids, SD
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (10.6 days).
Average UV index in December
Dell Rapids, 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
Dell Rapids, SD
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Dell Rapids, 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).
