December weather forecastParker, SD
December
Weather in December
December, the first month of the winter in Parker, is still a freezing cold month, with temperature in the range of an average low of 16.3°F (-8.7°C) and an average high of 28.2°F (-2.1°C).Temperature
In Parker, the average high-temperature in December drops, from a chilly 44.2°F (6.8°C) in November, to a subzero cold 28.2°F (-2.1°C). During December, the average low-temperature is a still freezing cold 16.3°F (-8.7°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In Parker, in December, it is raining for 3.7 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 111.7 rainfall days, and 17.76" (451mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Parker, in December, during 8.7 snowfall days, 2.52" (64mm) of snow is typically accumulated. In Parker, during the entire year, snow falls for 38.7 days and aggregates up to 12.76" (324mm) 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 the month, sunrise is at 7:42 am and sunset at 4:53 pm. On the last day of December, sunrise is at 8:01 am and sunset at 5:02 pm CST.
Sunshine
In December, the average sunshine is 4.4h.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parker, SD
- Average high temperature in December: 28.2°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 16.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Parker, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Parker, SD
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Parker, SD
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Parker, SD
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").
Average rainfall days in December
Parker, SD
- Average rainfall days in December: 3.7 days
The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in December
Parker, SD
- Average snowfall in December: 2.52"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Parker, SD
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Parker, 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 24min
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 12min).
Average sunshine days in December
Parker, SD
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Parker, 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 November (UV index 1).
Average cloud cover in December
Parker, SD
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Parker, SD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





