Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In South Yankton, the month of January registers the lowest temperatures, averaging 26.8°F (-2.9°C) at the peak and 12.9°F (-10.6°C) at the lowest.Humidity
With an average relative humidity of 85%, January is the most humid month in South Yankton.Rainfall
In South Yankton, in January, during 3.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In South Yankton, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 9.7 days. Throughout January, 2.6" (66mm) of snow is accumulated. Throughout the year, in South Yankton, there are 37.4 snowfall days, and 14.45" (367mm) of snow is accumulated.Daylight
In South Yankton, the average length of the day in January is 9h and 28min.On the first day of January, sunrise is at 8:00 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:40 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.4h of sunshine.UV index
The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 1 suggests these recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in South Yankton?
How cold is it in South Yankton in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January in South Yankton?
How much does it snow in South Yankton in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
South Yankton, NE
- Average high temperature in January: 26.8°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 January: 12.9°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 January
South Yankton, NE
- Average pressure in January: 30.16"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 January
South Yankton, NE
- Average wind speed in January: 10.6mph
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 January
South Yankton, NE
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in January
South Yankton, NE
- Average rainfall in January: 0.67"
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 January
South Yankton, NE
- Average rainfall days in January: 3.4 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 January
South Yankton, NE
- Average snowfall in January: 2.6"
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 January
South Yankton, NE
- Average snowfall days in January: 9.7 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 January /
Average sunshine in January
South Yankton, NE
- Average daylight in January: 9h and 3min
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 January: 4h and 2min
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 January
South Yankton, NE
- Average sunshine days in January: 19.3 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 January
South Yankton, NE
- Average UV index in January: 1
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 January
South Yankton, NE
- Average cloud cover in January: 52
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 January
South Yankton, NE
- 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).
South Yankton, Nebraska, USA
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