January weather forecastNisland, SD
January
Weather in January
January, the same as December, in Nisland, South Dakota, is a freezing cold winter month, with an average temperature varying between 17.6°F (-8°C) and 30.7°F (-0.7°C).Temperature
With January's advent, Nisland sees an average high-temperature of a still freezing cold 30.7°F (-0.7°C), subtly shifted from December's 30.4°F (-0.9°C). During January, Nisland records an average temperature of 17.6°F (-8°C) at night.Humidity
The most humid month in Nisland is January, with an average relative humidity of 80%.Rainfall
The month with the least rainfall is January, when the rain falls for 2.8 days and typically collects 0.43" (11mm) of precipitation.Snowfall
Months with snowfall in Nisland are January through May, September through December. In Nisland, South Dakota, in January, snow falls for 9 days, with typically accumulated 2.32" (59mm) of snow. In Nisland, during the entire year, snow falls for 52.1 days and aggregates up to 23.54" (598mm) of snow.Daylight
The average length of the day in January is 9h and 17min.On the first day of the month, sunrise is at 7:31 am and sunset at 4:24 pm. On the last day of January, in Nisland, South Dakota, sunrise is at 7:14 am and sunset at 5:00 pm MST.
Sunshine
In January, the average sunshine is 5.7h.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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Nisland, SD
- Average high temperature in January: 30.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in January: 17.6°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is February (17.1°F).
Average pressure in January
Nisland, 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
Nisland, SD
- Average wind speed in January: 10.4mph
The windiest months (with the highest average wind speed) are January and October (10.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in January
Nisland, SD
- Average humidity in January: 80%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (47%).
Average rainfall in January
Nisland, SD
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Nisland, SD
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in January
Nisland, SD
- Average snowfall in January: 2.32"
The month with the highest snowfall is April (4.88").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Nisland, SD
- Average snowfall days in January: 9 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Nisland, 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: 5h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in January
Nisland, SD
- Average sunshine days in January: 19.1 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is April (12.6 days).
Average UV index in January
Nisland, 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
Nisland, SD
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in January
Nisland, 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).
