January weather forecastSaint Onge, SD
January
Weather in January
January, like December, is another subzero cold winter month in Saint Onge, South Dakota, with an average temperature ranging between min 18.5°F (-7.5°C) and max 31.5°F (-0.3°C).Temperature
With the transition into January, Saint Onge notes an average high-temperature of a still subzero cold 31.5°F (-0.3°C), closely resembling December. Saint Onge reports an average low-temperature of 18.5°F (-7.5°C) during the nights of January.Humidity
January is the most humid month, with an average relative humidity of 79%.Rainfall
January is the month with the least rainfall. Rain falls for 3 days and accumulates 0.59" (15mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In January, it is snowing for 9.7 days. Throughout January, 3.31" (84mm) of snow is accumulated. Throughout the year, there are 56.8 snowfall days, and 36.3" (922mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 17min.On the first day of January, sunrise is at 7:31 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:01 pm MST.
Sunshine
In Saint Onge, the average sunshine in January is 5.8h.UV index
January, February, April, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Saint Onge, SD
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in January: 18.5°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).
Average pressure in January
Saint Onge, 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
Saint Onge, SD
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in January
Saint Onge, SD
- Average humidity in January: 79%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (49%).
Average rainfall in January
Saint Onge, SD
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in January
Saint Onge, SD
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in January
Saint Onge, SD
- Average snowfall in January: 3.31"
The month with the highest snowfall is April (7.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Saint Onge, SD
- Average snowfall days in January: 9.7 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Saint Onge, 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 48min
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 42min).
Average sunshine days in January
Saint Onge, SD
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in January
Saint Onge, SD
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, April, November and December (UV index 2).
Average cloud cover in January
Saint Onge, SD
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Saint Onge, 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).
