January weather forecast
Academy, SD

Share

Weather in January

January, the same as December, in Academy, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 26.1°F (-3.3°C) and 12.6°F (-10.8°C).

Temperature

January is the coldest month, with the temperature often reaching an average high of 26.1°F (-3.3°C) and an average low of 12.6°F (-10.8°C).

Humidity

With an average relative humidity of 86%, January is the most humid month.

Rainfall

In Academy, South Dakota, in January, during 4.8 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Academy, during the entire year, the rain falls for 107.6 days and collects up to 17.83" (453mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In January, it is snowing for 11.7 days. Throughout January, 3.35" (85mm) of snow is accumulated. In Academy, during the entire year, snow falls for 50.9 days and aggregates up to 17.87" (454mm) of snow.

Daylight

The average length of the day in January is 9h and 24min.
On the first day of January, sunrise is at 8:09 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:45 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.7h of sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's recommended to limit sun exposure when its radiation is at its peak during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January is Academy's coldest month, registering average high temperatures of 26.1°F (-3.3°C) and lows of 12.6°F (-10.8°C).

How cold is it in January?

The high-temperature, in January, in Academy, is 26.1°F (-3.3°C), while the low-temperature averages to 12.6°F (-10.8°C).

What is the most humid month in Academy?

January is the most humid month, with an average relative humidity of 86%.

What is the average humidity in January?

The average relative humidity in January is 86%.

How many days does it rain in January?

In Academy, in January, during 4.8 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Academy, in January, during 11.7 snowfall days, 3.35" (85mm) of snow is typically accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 24min.

What time are sunrise and sunset in January in Academy?

On the first day of January in Academy, South Dakota, sunrise is at 8:09 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:45 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.7h of sunshine.

How long on average sun shines in January?

In Academy, the average sunshine duration in January is 4.7h.

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Academy, SD

Average temperature in January - Academy, SD
  • Average high temperature in January: 26.1°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in January: 12.6°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in January
Academy, SD

Average pressure in January - Academy, 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 (29.84"Hg).

Average wind speed in January
Academy, SD

Average wind speed in January - Academy, SD
  • Average wind speed in January: 10.3mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).

Average humidity in January
Academy, SD

Average humidity in January - Academy, SD
  • Average humidity in January: 86%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is September (58%).

Average rainfall in January
Academy, SD

Average rainfall in January - Academy, SD
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is November (0.55").

Average rainfall days in January
Academy, SD

Average rainfall days in January - Academy, SD
  • Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in January
Academy, SD

Average snowfall in January - Academy, SD
  • Average snowfall in January: 3.35"

The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Academy, SD

Average snowfall days in January - Academy, SD
  • Average snowfall days in January: 11.7 days

The months with the highest number of snowfall days are January and February (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in January /
Average sunshine in January
Academy, SD

Average daylight in January / Average sunshine in January - Academy, SD
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 4h and 4min

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 42min).

Average sunshine days in January
Academy, SD

Average sunshine days in January - Academy, SD
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is April (11.8 days).

Average UV index in January
Academy, SD

Average UV index in January - Academy, SD
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in January
Academy, SD

Average cloud cover in January - Academy, SD
  • Average cloud cover in January: 49

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).

Average visibility in January
Academy, SD

Average visibility in January - Academy, 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).

Academy, South Dakota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location