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 shift from November to December sees a distinct decrease in the average high-temperature, dropping from a frosty 44.2°F (6.8°C) to a subzero cold 28.2°F (-2.1°C). Throughout the month of December, Parker witnesses an average temperature of 16.3°F (-8.7°C).Humidity
In Parker, the average relative humidity in December is 84%.Rainfall
In Parker, during December, the rain falls for 3.7 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Parker, during the entire year, the rain falls for 111.7 days and collects up to 17.76" (451mm) of precipitation.Snowfall
Months with snowfall in Parker are January through May, October through December. In Parker, South Dakota, during December, snow falls for 8.7 days and regularly aggregates up to 2.52" (64mm) of snow. Throughout the year, in Parker, there are 38.7 snowfall days, and 12.76" (324mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:42 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:02 pm CST.
Sunshine
The average sunshine in December in Parker is 4.4h.UV index
The average daily maximum UV index in December in Parker, South Dakota, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold is it in Parker in December?
What is the average humidity in December in Parker?
How much does it rain in Parker in December?
How much does it snow in Parker in December?
What is the month with the shortest days in Parker?
What is the average length of the day in December in Parker?
When are sunrise and sunset in December in Parker?
How many hours of sunshine does Parker have in December?
What is the UV index intensity in December in Parker?
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 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 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).
Parker, South Dakota, USA
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