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 onset of December brings a distinct decrease in the average high-temperature, receding from an icy 41.9°F (5.5°C) in November to a freezing cold 25.5°F (-3.6°C). An average low-temperature of 14.2°F (-9.9°C) is common in Hosmer during the nights of December.Humidity
In Hosmer, the average relative humidity in December is 84%.Rainfall
In Hosmer, during December, the rain falls for 3.3 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Hosmer, during the entire year, the rain falls for 97.8 days and collects up to 16.65" (423mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Hosmer, in December, during 11.2 snowfall days, 2.91" (74mm) of snow is typically accumulated. Throughout the year, there are 59.7 snowfall days, and 19.96" (507mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of December in Hosmer, South Dakota, sunrise is at 7:58 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 5:04 pm CST.
Sunshine
In Hosmer, the average sunshine in December is 4.4h.UV index
The months with the lowest UV index in Hosmer are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Hosmer in December?
What is the average humidity in December in Hosmer?
How many days does it rain in December in Hosmer?
How much does it snow in Hosmer in December?
What is the month with the shortest days in Hosmer?
What is the average length of the day in December in Hosmer?
What time are sunrise and sunset in December in Hosmer?
How many hours of sunshine does Hosmer have in December?
What is the month with the lowest UV index in Hosmer?
What is the UV index intensity in December in Hosmer?
Average temperature in December
Hosmer, SD
- Average high temperature in December: 25.5°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 (22.6°F).
- Average low temperature in December: 14.2°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 (9.1°F).
Average pressure in December
Hosmer, SD
- Average pressure in December: 30.14"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
Hosmer, SD
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).
Average humidity in December
Hosmer, SD
- Average humidity in December: 84%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).
Average rainfall in December
Hosmer, SD
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Hosmer, SD
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in December
Hosmer, SD
- Average snowfall in December: 2.91"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hosmer, SD
- Average snowfall days in December: 11.2 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hosmer, SD
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Hosmer, SD
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in December
Hosmer, SD
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Hosmer, SD
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in December
Hosmer, 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).
Hosmer, South Dakota, USA
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