January weather forecastOwanka, SD
January
Weather in January
January, the same as December, is another cold winter month in Owanka, South Dakota, with an average temperature fluctuating between 18°F (-7.8°C) and 32.7°F (0.4°C).Temperature
January's advent denotes a minor fluctuation in the average high-temperature to a still wintry 32.7°F (0.4°C) from December's 32.5°F (0.3°C). In January, the average low-temperature is a subzero cold 18°F (-7.8°C).Humidity
With an average relative humidity of 77%, January is the most humid month.Rainfall
The month with the least rainfall in Owanka is January, when the rain falls for 5.3 days and typically collects 0.43" (11mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Owanka, in January, during 9.4 snowfall days, 2.4" (61mm) of snow is typically accumulated. Throughout the year, there are 50.4 snowfall days, and 24.41" (620mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 20min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:22 pm. On the last day of January, sunrise is at 7:08 am and sunset at 4:58 pm MST.
Sunshine
In January, the average sunshine is 6.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In January, the UV index of 2 transforms into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Owanka, SD
- Average high temperature in January: 32.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in January
Owanka, SD
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Owanka, SD
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in January
Owanka, SD
- Average humidity in January: 77%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).
Average rainfall in January
Owanka, SD
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Owanka, SD
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).
Average snowfall in January
Owanka, SD
- Average snowfall in January: 2.4"
The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Owanka, SD
- Average snowfall days in January: 9.4 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Owanka, SD
- Average daylight in January: 9h and 18min
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 January: 6h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in January
Owanka, SD
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).
Average UV index in January
Owanka, SD
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Owanka, SD
- Average cloud cover in January: 36
The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Owanka, SD
- Average visibility in January: 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).





