January weather forecast
Mound City, SD

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Weather in January

January, the same as December, in Mound City, South Dakota, is another subzero cold winter month, with an average temperature fluctuating between 9°F (-12.8°C) and 23°F (-5°C).

Temperature

January is the month when Mound City sees the lowest average temperatures, with a high of 23°F (-5°C) and a low of 9°F (-12.8°C).

Humidity

With an average relative humidity of 87%, January is the most humid month in Mound City, South Dakota.

Rainfall

January is the month with the least rainfall. Rain falls for 2.3 days and accumulates 0.47" (12mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Mound City, during January, snow falls for 11.8 days and regularly aggregates up to 2.87" (73mm) of snow. In Mound City, South Dakota, during the entire year, snow falls for 49.4 days and aggregates up to 19.09" (485mm) of snow.

Daylight

In Mound City, South Dakota, the average length of the day in January is 9h and 10min.
On the first day of the month, sunrise is at 8:21 am and sunset at 5:06 pm. On the last day of January, sunrise is at 8:03 am and sunset at 5:44 pm CST.

Sunshine

January has the least sunshine of the year in Mound City, with an average of 4.1h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Mound City. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 during January translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What is the coldest time of year in Mound City?

January is the month that records the lowest temperatures in Mound City, South Dakota, with averages ranging from a high of 23°F (-5°C) to a low of 9°F (-12.8°C).

How cold is January in Mound City?

January temperatures in Mound City vary between a high-temperature of 23°F (-5°C) and a low-temperature of 9°F (-12.8°C).

What is the most humid month in Mound City?

The most humid month in Mound City, South Dakota, is January, with an average relative humidity of 87%.

What is the average humidity in January in Mound City?

The average relative humidity in January is 87%.

What is the driest month in Mound City?

January is the month with the least rainfall in Mound City, South Dakota. Rain falls for 2.3 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in January in Mound City?

In January, in Mound City, the rain falls for 2.3 days. Throughout January, 0.47" (12mm) of precipitation is accumulated.

How much does it snow in Mound City in January?

In Mound City, South Dakota, during January, snow falls for 11.8 days and regularly aggregates up to 2.87" (73mm) of snow.

How many hours of daylight does Mound City have in January?

In January, the average day length in Mound City, South Dakota, is 9h and 10min.

When is the sunrise / sunset in January in Mound City?

On the first day of January, sunrise is at 8:21 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:44 pm CST.

What is the month with the least sunshine in Mound City?

January has the least sunshine of the year, with an average of 4.1h of sunshine.

How long on average sun shines in January in Mound City?

In January, the average sunshine duration in Mound City is 4.1h.

What are the months with the lowest UV index in Mound City?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Mound City.

What is the UV index intensity in January in Mound City?

The average daily maximum UV index in January in Mound City is 1. 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
Mound City, SD

Average temperature in January - Mound City, SD
  • Average high temperature in January: 23°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in January: 9°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).

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Average pressure in January
Mound City, SD

Average pressure in January - Mound City, 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
Mound City, SD

Average wind speed in January - Mound City, SD
  • Average wind speed in January: 10mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).

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Average humidity in January
Mound City, SD

Average humidity in January - Mound City, SD
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in January
Mound City, SD

Average rainfall in January - Mound City, SD
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in January
Mound City, SD

Average rainfall days in January - Mound City, SD
  • Average rainfall days in January: 2.3 days

The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in January
Mound City, SD

Average snowfall in January - Mound City, SD
  • Average snowfall in January: 2.87"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Mound City, SD

Average snowfall days in January - Mound City, SD
  • Average snowfall days in January: 11.8 days

The month with the highest number of snowfall days is January (11.8 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
Mound City, SD

Average daylight in January / Average sunshine in January - Mound City, SD
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in January: 4h and 1min

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 6min).

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Average sunshine days in January
Mound City, SD

Average sunshine days in January - Mound City, SD
  • Average sunshine days in January: 18 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).

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Average UV index in January
Mound City, SD

Average UV index in January - Mound City, 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 December (UV index 1).

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Average cloud cover in January
Mound City, SD

Average cloud cover in January - Mound City, SD
  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).

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Average visibility in January
Mound City, SD

Average visibility in January - Mound City, 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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Mound City, South Dakota, USA

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