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
With the onset of December, Arlington's average high-temperature witnesses a clear drop, receding from November's icy 41.2°F (5.1°C) to a freezing cold 25.7°F (-3.5°C). During December, Arlington sees a mean low-temperature of 13.6°F (-10.2°C).Humidity
In Arlington, the average relative humidity in December is 86%.Rainfall
In Arlington, during December, the rain falls for 5.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Arlington, there are 125.5 rainfall days, and 21.65" (550mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Arlington, in December, snow falls for 13.3 days, with typically accumulated 4.65" (118mm) of snow. Throughout the year, in Arlington, there are 61.5 snowfall days, and 21.38" (543mm) of snow is accumulated.Daylight
The month with the shortest days in Arlington is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:45 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 4:59 pm CST.
Sunshine
In December, the average sunshine in Arlington is 4.2h.UV index
In December, the average daily maximum UV index in Arlington is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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 Arlington?
What is the average humidity in December in Arlington?
How many days does it rain in December in Arlington?
How many days does it snow in December in Arlington?
What is the month with the shortest days in Arlington?
How many hours of daylight does Arlington have in December?
What time are sunrise and sunset in December in Arlington?
How many hours of sunshine does Arlington have in December?
How high is the UV index in December in Arlington?
Average temperature in December
Arlington, SD
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 13.6°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 (7°F).
Average pressure in December
Arlington, 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
Arlington, SD
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in December
Arlington, 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 (68%).
Average rainfall in December
Arlington, SD
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in December
Arlington, SD
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in December
Arlington, SD
- Average snowfall in December: 4.65"
The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Arlington, SD
- Average snowfall days in December: 13.3 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arlington, 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 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
Arlington, SD
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in December
Arlington, SD
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Arlington, SD
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Arlington, 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).
Arlington, South Dakota, USA
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