December weather forecastEmery, SD
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Emery, South Dakota, with temperature in the range of an average high of 28.6°F (-1.9°C) and an average low of 16°F (-8.9°C).Temperature
As Emery transitions into December, a marked decrease in the average high-temperature is observed, dropping from a chilly 45°F (7.2°C) in November to a freezing cold 28.6°F (-1.9°C). During December, the temperature tends to dip to an average of 16°F (-8.9°C) at night.Humidity
The average relative humidity in December is 83%.Rainfall
In Emery, in December, during 2.9 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Emery, South Dakota, during the entire year, the rain falls for 93.2 days and collects up to 11.3" (287mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Emery, in December, snow falls for 7.5 days, with typically accumulated 1.1" (28mm) of snow. In Emery, South Dakota, during the entire year, snow falls for 35.3 days and aggregates up to 7.17" (182mm) of snow.Daylight
The month with the shortest days in Emery is December, with an average of 9h and 0min of daylight.On the first day of December in Emery, sunrise is at 7:44 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:03 pm CST.
Sunshine
In December, the average sunshine is 4.7h.UV index
The average daily maximum UV index in December in Emery is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Emery, SD
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in December: 16°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in December
Emery, 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 (29.85"Hg).
Average wind speed in December
Emery, SD
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in December
Emery, SD
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are September and October (63%).
Average rainfall in December
Emery, SD
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February and November (0.28").
Average rainfall days in December
Emery, SD
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Emery, SD
- Average snowfall in December: 1.1"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Emery, SD
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Emery, 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 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Emery, SD
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in December
Emery, SD
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Emery, SD
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in December
Emery, 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).
