January weather forecastDuxbury, SD
January
Weather in January
January, the same as December, in Duxbury, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 6.3°F (-14.3°C) and 20.7°F (-6.3°C).Temperature
The month of January, characterized by an average high of 20.7°F (-6.3°C) and a low of 6.3°F (-14.3°C), is recognized as the coldest.Humidity
With an average relative humidity of 88%, January is the most humid month.Rainfall
The month with the least rainfall in Duxbury, South Dakota, is January, when the rain falls for 3 days and typically collects 0.59" (15mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall. Snow falls for 13 days and accumulates 3.82" (97mm) of snow.Daylight
The average length of the day in January is 9h and 13min.On the first day of the month, sunrise is at 8:12 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:55 am and sunset at 5:39 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.9h of sunshine.UV index
January, February and November, with an average maximum UV index of 1, are months with the lowest UV index in Duxbury. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 1 in January translates into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Duxbury, SD
- Average high temperature in January: 20.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in January: 6.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in January
Duxbury, SD
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Duxbury, SD
- Average wind speed in January: 9.5mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in January
Duxbury, SD
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).
Average rainfall in January
Duxbury, SD
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in January
Duxbury, SD
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).
Average snowfall in January
Duxbury, SD
- Average snowfall in January: 3.82"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Duxbury, SD
- Average snowfall days in January: 13 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Duxbury, SD
- Average daylight in January: 9h and 12min
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 January: 3h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Duxbury, SD
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in January
Duxbury, SD
- Average UV index in January: 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 and November (UV index 1).
Average cloud cover in January
Duxbury, SD
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in January
Duxbury, SD
- Average visibility in January: 5mi
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).





