January weather forecastNewell, SD
January
Weather in January
Newell, South Dakota sees a chilly start to the year in January. The weather is recognized by the everpresent relative humidity of 77% and temperatures that can descend to 18.7°F (-7.4°C). Although the days are short, with just 9.3 hours of daylight, the winter sun manages to shine for 6 hours per day. Comparatively, the weather in January becomes cooler than in February, with lower temperatures and increased snowfall. These winter months are ideal for enjoying snowy activities, despite the cold.Temperature
The shift into January records an average high-temperature of a still wintry 32.4°F (0.2°C), subtly varied from December's 32.2°F (0.1°C). Throughout January, Newell's nights cool down to an average of 18.7°F (-7.4°C).Humidity
The most humid month is January, with an average relative humidity of 77%.Rainfall
The month with the least rainfall in Newell is January, when the rain falls for 6.5 days and typically collects 0.59" (15mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In January, it is snowing for 11.4 days. Throughout January, 3.19" (81mm) of snow is accumulated. Throughout the year, there are 62.1 snowfall days, and 36.26" (921mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 16min.On the first day of January, sunrise is at 7:30 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:00 pm MST.
Sunshine
In Newell, the average sunshine in January is 6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Newell, SD
- Average high temperature in January: 32.4°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 (32.2°F).
- Average low temperature in January: 18.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in January
Newell, 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
Newell, SD
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in January
Newell, 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 (49%).
Average rainfall in January
Newell, SD
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in January
Newell, SD
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).
Average snowfall in January
Newell, SD
- Average snowfall in January: 3.19"
The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Newell, SD
- Average snowfall days in January: 11.4 days
The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Newell, SD
- Average daylight in January: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 6h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in January
Newell, SD
- Average sunshine days in January: 17.1 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in January
Newell, SD
- Average UV index in January: 2
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, November and December (UV index 2).
Average cloud cover in January
Newell, SD
- Average cloud cover in January: 37
The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Newell, 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).





