December weather forecastHighmore, SD
December
Weather in December
December, the first month of the winter in Highmore, is also a subzero cold month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 14.9°F (-9.5°C).Temperature
With the onset of December, Highmore's weather experiences a distinct temperature drop, moving from a chilly 43.7°F (6.5°C) in November to a subzero cold 26.8°F (-2.9°C). The low-temperature average for Highmore during December stands at a still freezing cold 14.9°F (-9.5°C).Humidity
The average relative humidity in December in Highmore is 83%.Rainfall
In December, in Highmore, the rain falls for 2.5 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. Throughout the year, in Highmore, there are 97.3 rainfall days, and 16.73" (425mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Highmore, during December, snow falls for 10 days and regularly aggregates up to 2.4" (61mm) of snow. In Highmore, during the entire year, snow falls for 47.1 days and aggregates up to 16.06" (408mm) of snow.Daylight
December has the shortest days of the year in Highmore, with an average of 8h and 54min of daylight.On the first day of December in Highmore, sunrise is at 7:54 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:08 pm CST.
Sunshine
The average sunshine in December is 4.4h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Highmore, SD
- Average high temperature in December: 26.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 14.9°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 (9.1°F).
Average pressure in December
Highmore, 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 (29.84"Hg).
Average wind speed in December
Highmore, SD
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in December
Highmore, SD
- Average humidity in December: 83%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (60%).
Average rainfall in December
Highmore, SD
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Highmore, SD
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in December
Highmore, SD
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Highmore, SD
- Average snowfall days in December: 10 days
The months with the highest number of snowfall days are January and February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Highmore, SD
- Average daylight in December: 8h and 54min
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 24min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Highmore, SD
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Highmore, 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 February (UV index 1).
Average cloud cover in December
Highmore, SD
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in December
Highmore, 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).
