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
Mission Hill's December weather is characterized by a distinct downswing in high-temperatures, falling from November's frosty 45.9°F (7.7°C) to a subzero cold 29.8°F (-1.2°C). Mission Hill's nighttime temperature in December falls to an average of 18°F (-7.8°C).Humidity
In Mission Hill, the average relative humidity in December is 82%.Rainfall
In Mission Hill, in December, during 3.7 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Mission Hill, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Mission Hill. December is the month with the most snowfall in Mission Hill. Snow falls for 8.1 days and accumulates 2.95" (75mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Mission Hill.On the first day of December, sunrise is at 7:41 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:04 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
In December, the average daily maximum UV index in Mission Hill is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
How cold is it in Mission Hill in December?
What is the average humidity in December in Mission Hill?
How many days does it rain in December in Mission Hill?
When does it snow the most in Mission Hill?
How much does it snow in Mission Hill in December?
What is the month with the shortest days in Mission Hill?
What is the average length of the day in December in Mission Hill?
When are sunrise and sunset in December in Mission Hill?
How many hours of sunshine does Mission Hill have in December?
What is the UV index reading in December in Mission Hill?
Average temperature in December
Mission Hill, SD
- Average high temperature in December: 29.8°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 18°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in December
Mission Hill, 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
Mission Hill, SD
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Mission Hill, SD
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in December
Mission Hill, SD
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in December
Mission Hill, SD
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Mission Hill, SD
- Average snowfall in December: 2.95"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mission Hill, SD
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mission Hill, SD
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Mission Hill, SD
- Average sunshine days in December: 21.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Mission Hill, 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
Mission Hill, SD
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Mission Hill, 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).
Mission Hill, South Dakota, USA
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