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 is the coldest month, with an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 12.9°F (-10.6°C).Humidity
The most humid month is January, with an average relative humidity of 85%.Rainfall
In Yankton, in January, during 3.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, in Yankton, South Dakota, there are 117.9 rainfall days, and 21.93" (557mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 9.7 days. Throughout January, 2.6" (66mm) of snow is accumulated. In Yankton, during the entire year, snow falls for 37.4 days and aggregates up to 14.45" (367mm) of snow.Daylight
In January, the average length of the day in Yankton, South Dakota, is 9h and 27min.On the first day of January, sunrise is at 8:00 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:40 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.4h of sunshine.UV index
January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In January, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the coldest month in Yankton?
What is the temperature in January in Yankton?
What is the most humid month in Yankton?
What is the average humidity in January in Yankton?
How many days does it rain in January in Yankton?
How much does it snow in Yankton in January?
How many hours of daylight does Yankton have in January?
What time are sunrise and sunset in January in Yankton?
What is the month with the least sunshine in Yankton?
How long on average sun shines in January in Yankton?
When is the lowest UV index in Yankton?
What is the UV index intensity in January in Yankton?
Average temperature in January
Yankton, SD
- Average high temperature in January: 26.8°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in January: 12.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in January
Yankton, SD
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Yankton, SD
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in January
Yankton, SD
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall in January
Yankton, SD
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in January
Yankton, SD
- Average rainfall days in January: 3.4 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in January
Yankton, SD
- Average snowfall in January: 2.6"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Yankton, 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, August and September (0 days).
Average daylight in January /
Average sunshine in January
Yankton, SD
- Average daylight in January: 9h and 27min
The month with the longest days is June (Average daylight: 15h and 17min).
The month with the shortest days is December (Average daylight: 9h and 5min).
- Average sunshine in January: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in January
Yankton, SD
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Yankton, SD
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Yankton, SD
- Average cloud cover in January: 52
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in January
Yankton, 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).
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