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
Whitehorse, South Dakota, records the coldest temperatures in January, averaging a high of 23°F (-5°C) and a low of 9°F (-12.8°C).Humidity
January is the most humid month, with an average relative humidity of 87%.Rainfall
January is the month with the least rainfall. Rain falls for 2.3 days and accumulates 0.47" (12mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 11.8 days. Throughout January, 2.87" (73mm) of snow is accumulated. Throughout the year, there are 49.4 snowfall days, and 19.09" (485mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 13min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:11 pm. On the last day of January, in Whitehorse, South Dakota, sunrise is at 7:05 am and sunset at 4:48 pm MST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year in Whitehorse, South Dakota.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 low health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 1 in January leads to these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What month is the coldest in Whitehorse?
How cold is it in Whitehorse in January?
What is the most humid month in Whitehorse?
What is the average humidity in January in Whitehorse?
What is the driest month in Whitehorse?
How much does it rain in Whitehorse in January?
How many days does it snow in January in Whitehorse?
What is the average length of the day in January in Whitehorse?
What time are sunrise and sunset in January in Whitehorse?
What is the month with the least sunshine in Whitehorse?
How long on average sun shines in January in Whitehorse?
When is the lowest UV index in Whitehorse?
How high is the UV index in January in Whitehorse?
Average temperature in January
Whitehorse, SD
- Average high temperature in January: 23°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in January: 9°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in January
Whitehorse, 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 (29.84"Hg).
Average wind speed in January
Whitehorse, SD
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).
Average humidity in January
Whitehorse, SD
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).
Average rainfall in January
Whitehorse, SD
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in January
Whitehorse, SD
- Average rainfall days in January: 2.3 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in January
Whitehorse, SD
- Average snowfall in January: 2.87"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Whitehorse, 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
Whitehorse, SD
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Whitehorse, 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 (13.6 days).
Average UV index in January
Whitehorse, SD
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Whitehorse, SD
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in January
Whitehorse, 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).
Whitehorse, South Dakota, USA
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