January weather forecastReliance, SD
January
Weather in January
January, like December, is a freezing cold winter month in Reliance, South Dakota, with an average temperature varying between 12.6°F (-10.8°C) and 26.1°F (-3.3°C).Temperature
During the coldest month, January, temperatures average a high of 26.1°F (-3.3°C) and a low of 12.6°F (-10.8°C).Humidity
With an average relative humidity of 86%, January is the most humid month in Reliance.Rainfall
In Reliance, during January, the rain falls for 4.8 days and regularly aggregates up to 0.59" (15mm) of precipitation. Throughout the year, there are 107.6 rainfall days, and 17.83" (453mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Reliance. In January, in Reliance, South Dakota, it is snowing for 11.7 days. Throughout January, 3.35" (85mm) of snow is accumulated. Throughout the year, there are 50.9 snowfall days, and 17.87" (454mm) of snow is accumulated.Daylight
The average length of the day in January in Reliance is 9h and 22min.On the first day of January, sunrise is at 8:12 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:46 pm CST.
Sunshine
The month with the least sunshine in Reliance, South Dakota, is January, with an average of 4.7h of sunshine.UV index
The average daily maximum UV index in January in Reliance is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Reliance, SD
- Average high temperature in January: 26.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in January: 12.6°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in January
Reliance, SD
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Reliance, SD
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).
Average humidity in January
Reliance, SD
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).
Average rainfall in January
Reliance, SD
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days in January
Reliance, SD
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in January
Reliance, SD
- Average snowfall in January: 3.35"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Reliance, SD
- Average snowfall days in January: 11.7 days
The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Reliance, 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: 4h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Reliance, SD
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).
Average UV index in January
Reliance, 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 February (UV index 1).
Average cloud cover in January
Reliance, SD
- Average cloud cover in January: 49
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in January
Reliance, 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).
