January weather forecastHerrick, SD
January
Weather in January
January, like December, is a freezing cold winter month in Herrick, South Dakota, with an average temperature varying between 15.6°F (-9.1°C) and 28.8°F (-1.8°C).Temperature
January stands out as Herrick's coldest month, with an average high-temperature of 28.8°F (-1.8°C) and a low-temperature of 15.6°F (-9.1°C).Humidity
The most humid month is January, with an average relative humidity of 82%.Rainfall
The month with the least rainfall is January, when the rain falls for 2.7 days and typically collects 0.47" (12mm) of precipitation.Snowfall
Months with snowfall in Herrick are January through May, October through December. In Herrick, in January, during 9.6 snowfall days, 2.64" (67mm) of snow is typically accumulated. Throughout the year, there are 39.7 snowfall days, and 14.45" (367mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 26min.On the first day of January, sunrise is at 8:08 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:47 pm CST.
Sunshine
The month with the least sunshine in Herrick is January, with an average of 4.9h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 in January translates into this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Herrick, 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
Herrick, 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
Herrick, 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
Herrick, 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
Herrick, 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
Herrick, 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
Herrick, 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
Herrick, 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
Herrick, SD
- Average daylight in January: 9h and 24min
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 54min
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
Herrick, 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
Herrick, 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
Herrick, 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
Herrick, 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).





