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
The lowest temperatures are recorded in January, with averages reaching a high of 31.5°F (-0.3°C) and a low of 18.5°F (-7.5°C).Humidity
January is the most humid month, with an average relative humidity of 78%.Rainfall
January is the month with the least rainfall in White Horse. Rain falls for 2.4 days and accumulates 0.47" (12mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In White Horse, in January, during 9.7 snowfall days, 2.05" (52mm) of snow is typically accumulated. Throughout the year, in White Horse, there are 41.1 snowfall days, and 14.53" (369mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 25min.On the first day of January, sunrise is at 8:14 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 5:52 pm CST.
Sunshine
The month with the least sunshine in White Horse is January, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index in White Horse are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In January, a daily UV index of 2 turns into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in White Horse?
How cold is January in White Horse?
What is the most humid month in White Horse?
What is the average humidity in January in White Horse?
What is the driest month in White Horse?
How many days does it rain in January in White Horse?
How many days does it snow in January in White Horse?
What is the average length of the day in January in White Horse?
When are sunrise and sunset in January in White Horse?
What is the month with the least sunshine in White Horse?
How many hours of sunshine does White Horse have in January?
What are the months with the lowest UV index in White Horse?
What is the UV index reading in January in White Horse?
Average temperature in January
White Horse, SD
- Average high temperature in January: 31.5°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 (31.5°F).
- Average low temperature in January: 18.5°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in January
White Horse, SD
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
White Horse, SD
- Average wind speed in January: 12.2mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).
Average humidity in January
White Horse, SD
- Average humidity in January: 78%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).
Average rainfall in January
White Horse, SD
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in January
White Horse, SD
- Average rainfall days in January: 2.4 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in January
White Horse, SD
- Average snowfall in January: 2.05"
The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
White Horse, SD
- Average snowfall days in January: 9.7 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
White Horse, SD
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in January
White Horse, SD
- Average sunshine days in January: 18.8 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in January
White Horse, SD
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
White Horse, SD
- Average cloud cover in January: 43
The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).
Average visibility in January
White Horse, SD
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
White Horse, South Dakota, USA
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