January weather forecastNew Underwood, SD
January
Weather in January
January, the same as December, is another cold winter month in New Underwood, South Dakota, with an average temperature varying between 18°F (-7.8°C) and 32.7°F (0.4°C).Temperature
As New Underwood steps into January, the average high-temperature holds at a still icy 32.7°F (0.4°C), hinting at a minor fluctuation from the prior month. In January, New Underwood reports a consistent average low-temperature of 18°F (-7.8°C) during the nights.Humidity
January is the most humid month, with an average relative humidity of 77%.Rainfall
January is the month with the least rainfall. Rain falls for 5.3 days and accumulates 0.43" (11mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In New Underwood, during January, snow falls for 9.4 days and regularly aggregates up to 2.4" (61mm) of snow. In New Underwood, during the entire year, snow falls for 50.4 days and aggregates up to 24.41" (620mm) of snow.Daylight
The average length of the day in January is 9h and 20min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:23 pm. On the last day of January, sunrise is at 7:10 am and sunset at 4:59 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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: 8h and 54min).
- 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
New Underwood, 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
New Underwood, 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
New Underwood, 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
New Underwood, 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).
