January weather forecast
Mount Rushmore National Memorial, SD

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The Black Hills on Mount Rushmore Memorial National Park in South Dakota
The Black Hills on Mount Rushmore Memorial National Park in South Dakota

Weather in January

Snowfall serves as a dominant feature of the January landscape in Mount Rushmore National Memorial, with an average of 5.8" (147mm) recorded throughout the month. Notably, this is a month of extreme temperatures with thermometers showing mercury levels dipping as low as 18.7°F (-7.4°C) on some nights. Despite this, daylight is limited to roughly one-third of the day, thus providing a restricted window for outdoor activities. The month is characterised by a relatively dry weather, apart from a few days of rainfall. The severe weather conditions make this month less favorable for outdoor tourists.

Temperature

The arrival of January denotes a barely perceptible change in the average high-temperatures to a still icy 36.3°F (2.4°C) from December's 35.2°F (1.8°C). Mount Rushmore National Memorial in January anticipates an average nighttime temperature of 18.7°F (-7.4°C).

Rainfall

January is the month with the least rainfall in Mount Rushmore National Memorial. Rain falls for 4.3 days and accumulates 0.39" (10mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. In Mount Rushmore National Memorial, during January, snow falls for 3.9 days and regularly aggregates up to 5.79" (147mm) of snow. Throughout the year, there are 23.1 snowfall days, and 52.4" (1331mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 22min.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:26 pm. On the last day of January, in Mount Rushmore National Memorial, sunrise is at 7:12 am and sunset at 5:02 pm MST.
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Frequently asked questions

How cold is it in Mount Rushmore National Memorial in January?

An average high-temperature, in January, in Mount Rushmore National Memorial, is 36.3°F (2.4°C) and the average low-temperature is 18.7°F (-7.4°C).

What is the driest month in Mount Rushmore National Memorial?

January is the month with the least rainfall in Mount Rushmore National Memorial. Rain falls for 4.3 days and accumulates 0.39" (10mm) of precipitation.

How many days does it rain in January in Mount Rushmore National Memorial?

In Mount Rushmore National Memorial, South Dakota, in January, it is raining for 4.3 days, with typically 0.39" (10mm) of accumulated precipitation.

How much does it snow in Mount Rushmore National Memorial in January?

In Mount Rushmore National Memorial, South Dakota, during January, snow falls for 3.9 days and regularly aggregates up to 5.79" (147mm) of snow.

What is the average length of the day in January in Mount Rushmore National Memorial?

In Mount Rushmore National Memorial, South Dakota, the average day length in January is 9h and 22min.

When is the sunrise / sunset in January in Mount Rushmore National Memorial?

In January, on the first day of the month, sunrise is at 7:28 am and sunset at 4:26 pm. On the last day of the month, in Mount Rushmore National Memorial, South Dakota, sunrise is at 7:12 am and sunset at 5:02 pm MST.
Average rainfall days
Average snowfall days
Average daylight

Average temperature in January
Mount Rushmore National Memorial, SD

Average temperature in January - Mount Rushmore National Memorial, SD
  • Average high temperature in January: 36.3°F

The warmest month (with the highest average high temperature) is July (79.1°F).
The month with the lowest average high temperature is December (35.3°F).

  • Average low temperature in January: 18.7°F

The month with the highest average low temperature is July (58.9°F).
The coldest month (with the lowest average low temperature) is December (18.1°F).

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Average rainfall in January
Mount Rushmore National Memorial, SD

Average rainfall in January - Mount Rushmore National Memorial, SD
  • Average rainfall in January: 0.4"

The wettest month (with the highest rainfall) is May (4.2").
The driest months (with the least rainfall) are January and December (0.4").

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Average rainfall days in January
Mount Rushmore National Memorial, SD

Average rainfall days in January - Mount Rushmore National Memorial, SD
  • Average rainfall days in January: 4.3 days

The month with the highest number of rainy days is June (12.6 days).
The month with the least rainy days is December (4.2 days).

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Average snowfall in January
Mount Rushmore National Memorial, SD

Average snowfall in January - Mount Rushmore National Memorial, SD
  • Average snowfall in January: 5.8"

The month with the highest snowfall is April (10.8").
The months with the least snowfall are July and August (0").

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Average snowfall days in January
Mount Rushmore National Memorial, SD

Average snowfall days in January - Mount Rushmore National Memorial, SD
  • Average snowfall days in January: 3.9 days

The months with the highest number of snowfall days are January and March (3.9 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in January
Mount Rushmore National Memorial, SD

Average daylight in January - Mount Rushmore National Memorial, 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).

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Mount Rushmore National Memorial, South Dakota, USA

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