January weather forecastLyons, SD
January
Weather in January
January, like December, is a freezing cold winter month in Lyons, South Dakota, with an average temperature fluctuating between 22.8°F (-5.1°C) and 9.3°F (-12.6°C).Temperature
In Lyons, the lowest average temperatures are observed in January, with a high of 22.8°F (-5.1°C) and a low of 9.3°F (-12.6°C).Humidity
January is the most humid month in Lyons, with an average relative humidity of 88%.Rainfall
In Lyons, in January, during 2.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, in Lyons, there are 118.3 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Lyons, in January, snow falls for 10.8 days, with typically accumulated 3.31" (84mm) of snow. In Lyons, during the entire year, snow falls for 45.4 days and aggregates up to 19.33" (491mm) of snow.Daylight
In Lyons, the average length of the day in January is 9h and 22min.On the first day of January in Lyons, sunrise is at 8:01 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:36 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 1 during January translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Lyons, SD
- Average high temperature in January: 22.8°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in January: 9.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in January
Lyons, SD
- Average pressure in January: 30.16"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Lyons, SD
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in January
Lyons, SD
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in January
Lyons, SD
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in January
Lyons, SD
- Average rainfall days in January: 2.9 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in January
Lyons, SD
- Average snowfall in January: 3.31"
The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Lyons, SD
- Average snowfall days in January: 10.8 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lyons, 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 0min
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 0min).
Average sunshine days in January
Lyons, SD
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in January
Lyons, SD
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Lyons, SD
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in January
Lyons, 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).
