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
Weather in January
Temperature
January, with average temperatures reaching a high of 21.6°F (-5.8°C) and a low of 7.7°F (-13.5°C), is the coldest month.Humidity
The most humid month is January, with an average relative humidity of 89%.Rainfall
January and November are months with the least rain when the rain falls for 2.7 days and typically aggregates up to 0.63" (16mm) of rain.Snowfall
January through May, October through December are months with snowfall. In Flandreau, in January, snow falls for 11.8 days, with typically accumulated 3.54" (90mm) of snow. In Flandreau, during the entire year, snow falls for 53.1 days and aggregates up to 20.04" (509mm) of snow.Daylight
In Flandreau, the average length of the day in January is 9h and 20min.On the first day of January, sunrise is at 8:01 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:34 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 Flandreau, South Dakota. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 1 during January translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To guard against the harmful effects of the Sun, minimize exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in January?
What is the most humid month in Flandreau?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January in Flandreau?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Flandreau, SD
- Average high temperature in January: 21.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in January: 7.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).
Average pressure in January
Flandreau, 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 (29.86"Hg).
Average wind speed in January
Flandreau, SD
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in January
Flandreau, SD
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall in January
Flandreau, SD
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is June (3.15").
The driest months (with the least rainfall) are January and November (0.63").
Average rainfall days in January
Flandreau, SD
- Average rainfall days in January: 2.7 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in January
Flandreau, SD
- Average snowfall in January: 3.54"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Flandreau, SD
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (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
Flandreau, SD
- Average daylight in January: 9h and 2min
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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Flandreau, SD
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in January
Flandreau, 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
Flandreau, SD
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Flandreau, 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).
Flandreau, South Dakota, USA
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