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
With average high temperatures of 25.2°F (-3.8°C) and lows of 11.5°F (-11.4°C), January is the coldest month.Humidity
The most humid month is January, with an average relative humidity of 85%.Rainfall
In Alcester, South Dakota, during January, the rain falls for 2.6 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Alcester, during the entire year, the rain falls for 97.4 days and collects up to 11.89" (302mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Alcester, South Dakota, in January, during 8.1 snowfall days, 1.34" (34mm) of snow is typically accumulated. In Alcester, during the entire year, snow falls for 31.8 days and aggregates up to 7.76" (197mm) of snow.Daylight
The average length of the day in January is 9h and 26min.On the first day of January in Alcester, sunrise is at 7:57 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:37 pm CST.
Sunshine
January has the least sunshine of the year in Alcester, South Dakota, with an average of 4.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Alcester?
How cold is January in Alcester?
What is the most humid month in Alcester?
What is the average humidity in January in Alcester?
How many days does it rain in January in Alcester?
How many days does it snow in January in Alcester?
What is the average length of the day in January in Alcester?
When are sunrise and sunset in January in Alcester?
What is the month with the least sunshine in Alcester?
How long on average sun shines in January in Alcester?
What is the month with the lowest UV index in Alcester?
What is the UV index reading in January in Alcester?
Average temperature in January
Alcester, SD
- Average high temperature in January: 25.2°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in January: 11.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in January
Alcester, 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 (29.86"Hg).
Average wind speed in January
Alcester, SD
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in January
Alcester, 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 (66%).
Average rainfall in January
Alcester, SD
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are February and November (0.31").
Average rainfall days in January
Alcester, SD
- Average rainfall days in January: 2.6 days
The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in January
Alcester, SD
- Average snowfall in January: 1.34"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Alcester, SD
- Average snowfall days in January: 8.1 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Alcester, 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 6min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Alcester, SD
- Average sunshine days in January: 22.8 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in January
Alcester, 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
Alcester, SD
- Average cloud cover in January: 53
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in January
Alcester, 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).
Alcester, South Dakota, USA
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