January weather forecastNorris, SD
January
Weather in January
January, the same as December, in Norris, South Dakota, is a freezing cold winter month, with an average temperature varying between 16.7°F (-8.5°C) and 29.8°F (-1.2°C).Temperature
With average temperatures fluctuating between a high of 29.8°F (-1.2°C) and a low of 16.7°F (-8.5°C), January stands out as the coldest month.Humidity
January is the most humid month, with an average relative humidity of 81%.Rainfall
The month with the least rainfall is January, when the rain falls for 2.8 days and typically collects 0.39" (10mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, in Norris, it is snowing for 8.4 days. Throughout January, 2.09" (53mm) of snow is accumulated. In Norris, during the entire year, snow falls for 38.8 days and aggregates up to 16.1" (409mm) of snow.Daylight
In Norris, South Dakota, the average length of the day in January is 9h and 24min.On the first day of the month, sunrise is at 8:17 am and sunset at 5:18 pm. On the last day of January, sunrise is at 8:01 am and sunset at 5:54 pm CST.
Sunshine
The months with the least sunshine in Norris are January and February, with an average of 5.2h of sunshine.UV index
In January, the average daily maximum UV index in Norris is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In January, a daily UV index of 2 turns into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Norris, SD
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in January: 16.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in January
Norris, SD
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Norris, SD
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).
Average humidity in January
Norris, SD
- Average humidity in January: 81%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).
Average rainfall in January
Norris, SD
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in January
Norris, SD
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in January
Norris, SD
- Average snowfall in January: 2.09"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Norris, SD
- Average snowfall days in January: 8.4 days
The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Norris, SD
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 5h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in January
Norris, SD
- Average sunshine days in January: 20.6 days
The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).
Average UV index in January
Norris, SD
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Norris, SD
- Average cloud cover in January: 46
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in January
Norris, 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).





