January weather forecastRapid Valley, SD
January
Weather in January
January, the same as December, is an icy winter month in Rapid Valley, South Dakota, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 32.7°F (0.4°C).Temperature
January brings a marginal elevation to a still wintry 32.7°F (0.4°C) from December's 32.5°F (0.3°C) in Rapid Valley's average high-temperatures. Rapid Valley's average low-temperature for the month of January records at a freezing cold 18°F (-7.8°C).Humidity
January is the most humid month, with an average relative humidity of 77%.Rainfall
The month with the least rainfall in Rapid Valley, South Dakota, is January, when the rain falls for 5.3 days and typically collects 0.43" (11mm) of precipitation.Snowfall
Months with snowfall in Rapid Valley are January through May, September through December. In January, it is snowing for 9.4 days. Throughout January, 2.4" (61mm) of snow is accumulated. Throughout the year, there are 50.4 snowfall days, and 24.41" (620mm) of snow is accumulated.Daylight
In Rapid Valley, the average length of the day in January is 9h and 20min.On the first day of the month, sunrise is at 7:27 am and sunset at 4:24 pm. On the last day of January, in Rapid Valley, South Dakota, sunrise is at 7:11 am and sunset at 5:00 pm MST.
Sunshine
The average sunshine in January is 6.2h.UV index
The months with the lowest UV index in Rapid Valley are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rapid Valley, SD
- Average high temperature in January: 32.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in January
Rapid Valley, 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
Rapid Valley, SD
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in January
Rapid Valley, SD
- Average humidity in January: 77%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (50%).
Average rainfall in January
Rapid Valley, SD
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (2.28").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Rapid Valley, SD
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is December (4.8 days).
Average snowfall in January
Rapid Valley, SD
- Average snowfall in January: 2.4"
The month with the highest snowfall is April (5.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Rapid Valley, SD
- Average snowfall days in January: 9.4 days
The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Rapid Valley, SD
- Average daylight in January: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 6h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in January
Rapid Valley, SD
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (11 days).
Average UV index in January
Rapid Valley, SD
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Rapid Valley, SD
- Average cloud cover in January: 36
The months with the most cloud cover are February and April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Rapid Valley, 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).
