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 month of January, characterized by an average high of 23.2°F (-4.9°C) and a low of 8.2°F (-13.2°C), is recognized as the coldest.Humidity
With an average relative humidity of 88%, January is the most humid month.Rainfall
January is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.55" (14mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Alpena. In Alpena, South Dakota, during January, snow falls for 9.2 days and regularly aggregates up to 3.11" (79mm) of snow. In Alpena, during the entire year, snow falls for 42.3 days and aggregates up to 16.54" (420mm) of snow.Daylight
In Alpena, the average length of the day in January is 9h and 20min.On the first day of January, sunrise is at 8:08 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:41 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4.2h of sunshine.UV index
The months with the lowest UV index are January and November, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 1 in January leads to these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
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 in Alpena?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Alpena, SD
- Average high temperature in January: 23.2°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in January: 8.2°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 (8.2°F).
Average pressure in January
Alpena, 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
Alpena, SD
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).
Average humidity in January
Alpena, SD
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is September (62%).
Average rainfall in January
Alpena, SD
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in January
Alpena, SD
- Average rainfall days in January: 2.7 days
The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in January
Alpena, SD
- Average snowfall in January: 3.11"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Alpena, SD
- Average snowfall days in January: 9.2 days
The month with the highest number of snowfall days is December (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Alpena, SD
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Alpena, SD
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in January
Alpena, 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 November (UV index 1).
Average cloud cover in January
Alpena, SD
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 22).
Average visibility in January
Alpena, 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).
Alpena, South Dakota, USA
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