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
The coldest period tends to be January, when average temperatures fluctuate between a high of 28.8°F (-1.8°C) and a low of 15.6°F (-9.1°C).Humidity
With an average relative humidity of 82%, January is the most humid month.Rainfall
January is the month with the least rainfall in White River, South Dakota. Rain falls for 2.7 days and accumulates 0.47" (12mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In White River, in January, snow falls for 9.6 days, with typically accumulated 2.64" (67mm) of snow. In White River, South Dakota, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.Daylight
In January, the average length of the day in White River is 9h and 23min.On the first day of January, sunrise is at 8:16 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:52 pm CST.
Sunshine
January has the least sunshine of the year in White River, South Dakota, with an average of 4.9h of sunshine.UV index
The average daily maximum UV index in January in White River is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 2 in January suggests the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the coldest time of year in White River?
How cold is it in White River in January?
What is the most humid month in White River?
What is the average humidity in January in White River?
What is the driest month in White River?
How much does it rain in White River in January?
How much does it snow in White River in January?
How many hours of daylight does White River have in January?
What time are sunrise and sunset in January in White River?
What is the month with the least sunshine in White River?
How long on average sun shines in January in White River?
How high is the UV index in January in White River?
Average temperature in January
White River, SD
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 15.6°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in January
White River, SD
- 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 (29.84"Hg).
Average wind speed in January
White River, SD
- Average wind speed in January: 11.1mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in January
White River, SD
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).
Average rainfall in January
White River, SD
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in January
White River, SD
- Average rainfall days in January: 2.7 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in January
White River, SD
- Average snowfall in January: 2.64"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
White River, SD
- Average snowfall days in January: 9.6 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
White River, SD
- Average daylight in January: 9h and 2min
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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in January
White River, SD
- Average sunshine days in January: 19.7 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in January
White River, SD
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
White River, SD
- Average cloud cover in January: 47
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in January
White River, 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).
White River, South Dakota, USA
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