January weather forecastThunder Hawk, SD
January
Weather in January
January, the same as December, in Thunder Hawk, South Dakota, is a freezing cold winter month, with temperature in the range of an average high of 25.2°F (-3.8°C) and an average low of 11.7°F (-11.3°C).Temperature
January is the coldest month of the year, registering average temperatures as high as 25.2°F (-3.8°C) and as low as 11.7°F (-11.3°C).Humidity
January is the most humid month, with an average relative humidity of 85%.Rainfall
January is the month with the least rainfall in Thunder Hawk. Rain falls for 2.9 days and accumulates 0.47" (12mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Thunder Hawk. In Thunder Hawk, in January, snow falls for 12.8 days, with typically accumulated 2.95" (75mm) of snow. Throughout the year, there are 65.8 snowfall days, and 21.42" (544mm) of snow is accumulated.Daylight
The average length of the day in January in Thunder Hawk is 9h and 8min.On the first day of the month, sunrise is at 7:29 am and sunset at 4:13 pm. On the last day of January, in Thunder Hawk, South Dakota, sunrise is at 7:11 am and sunset at 4:51 pm MST.
Sunshine
With an average of 4.6h of sunshine, January has the least sunshine of the year.UV index
In Thunder Hawk, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 2 in January suggests the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Thunder Hawk, SD
- Average high temperature in January: 25.2°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 (25.2°F).
- Average low temperature in January: 11.7°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 (11.7°F).
Average pressure in January
Thunder Hawk, SD
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Thunder Hawk, SD
- Average wind speed in January: 11.4mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in January
Thunder Hawk, SD
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in January
Thunder Hawk, SD
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in January
Thunder Hawk, SD
- Average rainfall days in January: 2.9 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in January
Thunder Hawk, SD
- Average snowfall in January: 2.95"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Thunder Hawk, SD
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Thunder Hawk, SD
- Average daylight in January: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 4h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in January
Thunder Hawk, SD
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in January
Thunder Hawk, SD
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Thunder Hawk, SD
- Average cloud cover in January: 52
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in January
Thunder Hawk, 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).





