Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
As January takes hold, the average high-temperature is a still freezing cold 30.6°F (-0.8°C), nearly mirroring that of the previous month. During January, the nighttime temperature averages to a still subzero cold 17.1°F (-8.3°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 79%.Rainfall
The month with the least rainfall is January, when the rain falls for 3.7 days and typically collects 0.55" (14mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Lead, during January, snow falls for 11.7 days and regularly aggregates up to 2.87" (73mm) of snow. In Lead, during the entire year, snow falls for 66.6 days and aggregates up to 34.53" (877mm) of snow.Daylight
In January, the average length of the day in Lead is 9h and 19min.On the first day of the month, sunrise is at 7:30 am and sunset at 4:26 pm. On the last day of January, in Lead, South Dakota, sunrise is at 7:14 am and sunset at 5:02 pm MST.
Sunshine
In Lead, the average sunshine in January is 6h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 during January translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Lead in January?
What is the most humid month in Lead?
What is the average humidity in January in Lead?
What is the driest month in Lead?
How many days does it rain in January in Lead?
How many days does it snow in January in Lead?
How many hours of daylight does Lead have in January?
What time are sunrise and sunset in January in Lead?
How long on average sun shines in January in Lead?
What is the month with the lowest UV index in Lead?
What is the UV index reading in January in Lead?
Average temperature in January
Lead, SD
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (15.4°F).
Average pressure in January
Lead, 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
Lead, SD
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.6mph).
Average humidity in January
Lead, SD
- Average humidity in January: 79%
The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in January
Lead, SD
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in January
Lead, SD
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in January
Lead, SD
- Average snowfall in January: 2.87"
The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Lead, SD
- Average snowfall days in January: 11.7 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Lead, SD
- Average daylight in January: 9h and 2min
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: 6h and 0min
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 54min).
Average sunshine days in January
Lead, SD
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in January
Lead, 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, March, October, November and December (UV index 2).
Average cloud cover in January
Lead, SD
- Average cloud cover in January: 38
The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
Lead, 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).