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
As December arrives, Dell Rapids's weather displays a notable decrease in high-temperatures, falling from November's cold 42.3°F (5.7°C) to a freezing cold 26.4°F (-3.1°C). Dell Rapids sees an average low-temperature of 14.9°F (-9.5°C) during December.Humidity
In December, the average relative humidity in Dell Rapids 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, South Dakota, in December, during 10.3 snowfall days, 4.17" (106mm) of snow is typically accumulated. Throughout the year, in Dell Rapids, there are 45.6 snowfall days, and 19.49" (495mm) of snow is accumulated.Daylight
December has the shortest days of the year in Dell Rapids, with an average of 9h and 0min of daylight.On the first day of December in Dell Rapids, 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, South Dakota, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Dell Rapids 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 unsafe exposure to UV radiation for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Dell Rapids in December?
What is the average humidity in December in Dell Rapids?
How many days does it rain in December in Dell Rapids?
How much does it snow in Dell Rapids in December?
What is the month with the shortest days in Dell Rapids?
What is the average length of the day in December in Dell Rapids?
When are sunrise and sunset in December in Dell Rapids?
How long on average sun shines in December in Dell Rapids?
What are the months with the lowest UV index in Dell Rapids?
What is the UV index reading in December in Dell Rapids?
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 2min
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).
Dell Rapids, South Dakota, USA
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