January weather forecastLennox, SD
January
Weather in January
January in Lennox, South Dakota, often starts off with cold and frosty weather patterns. Snowfall is an almost guaranteed part of the landscape, with around 2.44" (62mm) averaged over the month. It's the month with the least amount of daylight, making for short, often overcast, days. Wind speeds can be high, causing wind chill to reduce the apparent temperature further. Overall, January is all about wrapping up warm and preparing for potential snowfall.Temperature
In Lennox, January is the coldest month, with temperatures averaging a high of 24.3°F (-4.3°C) and a low of 10.8°F (-11.8°C).Humidity
With an average relative humidity of 87%, January is the most humid month.Rainfall
The months with the least rainfall are January, February and November Rain falls for 3.3 days and accumulates 0.47" (12mm) of rain.Snowfall
January through May, October through December are months with snowfall. In Lennox, during January, snow falls for 9.5 days and regularly aggregates up to 2.44" (62mm) of snow. Throughout the year, there are 38.7 snowfall days, and 12.76" (324mm) of snow is accumulated.Daylight
The average length of the day in January in Lennox is 9h and 25min.On the first day of the month, sunrise is at 7:59 am and sunset at 5:02 pm. On the last day of January, in Lennox, sunrise is at 7:44 am and sunset at 5:37 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.2h of sunshine.UV index
In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Lennox, SD
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in January: 10.8°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in January
Lennox, 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
Lennox, SD
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in January
Lennox, SD
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).
Average rainfall in January
Lennox, SD
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").
Average rainfall days in January
Lennox, SD
- Average rainfall days in January: 3.3 days
The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in January
Lennox, SD
- Average snowfall in January: 2.44"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Lennox, SD
- Average snowfall days in January: 9.5 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lennox, 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 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Lennox, SD
- Average sunshine days in January: 20.4 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in January
Lennox, SD
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in January
Lennox, SD
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in January
Lennox, 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).
