January weather forecastLong Lake, SD
January
Weather in January
January, the same as December, in Long Lake, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 5.4°F (-14.8°C) and 19.8°F (-6.8°C).Temperature
Long Lake reaches its lowest average temperatures in January, measuring 19.8°F (-6.8°C) at the peak and 5.4°F (-14.8°C) at the lowest.Humidity
With an average relative humidity of 89%, January is the most humid month in Long Lake, South Dakota.Rainfall
The month with the least rainfall is January, when the rain falls for 1.7 days and typically collects 0.39" (10mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The months with the most snowfall in Long Lake are January and December, with an average 2.76" (70mm) of accumulated snow.Daylight
In Long Lake, the average length of the day in January is 9h and 9min.On the first day of the month, sunrise is at 8:18 am and sunset at 5:02 pm. On the last day of January, in Long Lake, sunrise is at 7:59 am and sunset at 5:40 pm CST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Long Lake. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 1 in January translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Long Lake, SD
- Average high temperature in January: 19.8°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in January: 5.4°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in January
Long Lake, SD
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Long Lake, SD
- Average wind speed in January: 10.3mph
The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in January
Long Lake, SD
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are August and September (61%).
Average rainfall in January
Long Lake, SD
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in January
Long Lake, SD
- Average rainfall days in January: 1.7 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is January (1.7 days).
Average snowfall in January
Long Lake, SD
- Average snowfall in January: 2.76"
The months with the highest snowfall are January and December (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Long Lake, SD
- Average snowfall days in January: 11.5 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Long Lake, SD
- Average daylight in January: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 3h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Long Lake, SD
- Average sunshine days in January: 18 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in January
Long Lake, 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, November and December (UV index 1).
Average cloud cover in January
Long Lake, SD
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in January
Long Lake, SD
- Average visibility in January: 5mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
