January weather forecastRavinia, SD
January
Weather in January
January, the same as December, in Ravinia, South Dakota, is a freezing cold winter month, with an average temperature fluctuating between 27.3°F (-2.6°C) and 13.6°F (-10.2°C).Temperature
January is the month when Ravinia sees the lowest average temperatures, with a high of 27.3°F (-2.6°C) and a low of 13.6°F (-10.2°C).Humidity
The most humid month is January, with an average relative humidity of 84%.Rainfall
In Ravinia, in January, during 2.9 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Ravinia, during the entire year, the rain falls for 104.1 days and collects up to 14.29" (363mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The months with the most snowfall are January and March, with an average 1.93" (49mm) of accumulated snow.Daylight
In January, the average length of the day in Ravinia, South Dakota, is 9h and 26min.On the first day of the month, sunrise is at 8:05 am and sunset at 5:08 pm. On the last day of January, sunrise is at 7:50 am and sunset at 5:44 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.7h of sunshine.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 suggests this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Ravinia, SD
- Average high temperature in January: 27.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in January: 13.6°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in January
Ravinia, 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 (29.85"Hg).
Average wind speed in January
Ravinia, SD
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in January
Ravinia, SD
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).
Average rainfall in January
Ravinia, SD
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").
Average rainfall days in January
Ravinia, SD
- Average rainfall days in January: 2.9 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in January
Ravinia, SD
- Average snowfall in January: 1.93"
The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Ravinia, SD
- Average snowfall days in January: 8.2 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Ravinia, SD
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 4h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Ravinia, SD
- Average sunshine days in January: 20.9 days
The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in January
Ravinia, 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
Ravinia, 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 July (Cloud cover 23).
Average visibility in January
Ravinia, 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).
