January weather forecast
Agar, SD

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Weather in January

January, the same as December, in Agar, South Dakota, is another subzero cold winter month, with an average temperature ranging between max 22.6°F (-5.2°C) and min 9.1°F (-12.7°C).

Temperature

January is the month when Agar sees the lowest average temperatures, with a high of 22.6°F (-5.2°C) and a low of 9.1°F (-12.7°C).

Humidity

With an average relative humidity of 88%, January is the most humid month in Agar.

Rainfall

The month with the least rainfall is January, when the rain falls for 2.8 days and typically collects 0.55" (14mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Agar, in January, during 12.8 snowfall days, 3.19" (81mm) of snow is typically accumulated. Throughout the year, in Agar, there are 59.7 snowfall days, and 19.96" (507mm) of snow is accumulated.

Daylight

In Agar, the average length of the day in January is 9h and 16min.
On the first day of the month, sunrise is at 8:17 am and sunset at 5:09 pm. On the last day of January, in Agar, sunrise is at 8:00 am and sunset at 5:46 pm CST.

Sunshine

With an average of 3.9h of sunshine, January has the least sunshine of the year.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 1 during January translates into the following directions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To protect against the Sun's most potent rays, avoid direct exposure around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the coldest month in Agar?

Temperature readings in Agar reach their annual highs in January, averaging 22.6°F (-5.2°C) and a minimum average of 9.1°F (-12.7°C).

How cold is it in Agar in January?

January temperatures in Agar, South Dakota, vary between a high-temperature of 22.6°F (-5.2°C) and a low-temperature of 9.1°F (-12.7°C).

What is the most humid month in Agar?

The most humid month is January, with an average relative humidity of 88%.

What is the average humidity in January in Agar?

The average relative humidity in January is 88%.

What is the driest month in Agar?

The month with the least rainfall in Agar, South Dakota, is January, when the rain falls for 2.8 days and typically collects 0.55" (14mm) of precipitation.

How many days does it rain in January in Agar?

In Agar, South Dakota, in January, during 2.8 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How many days does it snow in January in Agar?

In January, it is snowing for 12.8 days. Throughout January, 3.19" (81mm) of snow is accumulated.

What is the average length of the day in January in Agar?

In January, the average day length is 9h and 16min.

When is the sunrise / sunset in January in Agar?

On the first day of January in Agar, South Dakota, sunrise is at 8:17 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:46 pm CST.

What is the month with the least sunshine in Agar?

With an average of 3.9h of sunshine, January has the least sunshine of the year in Agar.

How many hours of sunshine does Agar have in January?

In Agar, South Dakota, the average sunshine duration in January is 3.9h.

What are the months with the lowest UV index in Agar?

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Agar.

How high is the UV index in January in Agar?

The average daily maximum UV index in January in Agar, South Dakota, is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
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
Agar, SD

Average temperature in January - Agar, SD
  • Average high temperature in January: 22.6°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in January: 9.1°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 (9.1°F).

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Average pressure in January
Agar, SD

Average pressure in January - Agar, 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).

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Average wind speed in January
Agar, SD

Average wind speed in January - Agar, SD
  • Average wind speed in January: 10.6mph

The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (9.7mph).

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Average humidity in January
Agar, SD

Average humidity in January - Agar, SD
  • Average humidity in January: 88%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (56%).

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Average rainfall in January
Agar, SD

Average rainfall in January - Agar, 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").

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Average rainfall days in January
Agar, SD

Average rainfall days in January - Agar, SD
  • Average rainfall days in January: 2.8 days

The month with the highest number of rainy days is June (14.4 days).
The month with the least rainy days is February (1.9 days).

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Average snowfall in January
Agar, SD

Average snowfall in January - Agar, SD
  • Average snowfall in January: 3.19"

The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Agar, SD

Average snowfall days in January - Agar, SD
  • Average snowfall days in January: 12.8 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Agar, 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in January
Agar, SD

Average sunshine days in January - Agar, SD
  • Average sunshine days in January: 16.6 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is June (13.1 days).

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Average UV index in January
Agar, SD

Average UV index in January - Agar, 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, February, November and December (UV index 1).

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Average cloud cover in January
Agar, SD

Average cloud cover in January - Agar, SD
  • Average cloud cover in January: 58

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 22).

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Average visibility in January
Agar, SD

Average visibility in January - Agar, 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).

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Agar, South Dakota, USA

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