January weather forecast
Lead, SD

Weather in January

January, the same as December, in Lead, South Dakota, is another subzero cold winter month, with average temperature varying between 30.6°F (-0.8°C) and 17.1°F (-8.3°C).

Temperature

In Lead, the average high-temperature is essentially the same as in December - a still freezing cold 30.6°F (-0.8°C). In January, the average low-temperature is 17.1°F (-8.3°C).

Humidity

January and February, with an average relative humidity of 79%, are most humid months.

Rainfall

The month with the least rainfall is January when the rain falls for 3.7 days and typically collects 0.55" (14mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Lead, during January, snow falls for 11.7 days and regularly aggregates up to 2.87" (73mm) of snow. In Lead, during the entire year, snow falls for 66.6 days, and aggregates up to 34.53" (877mm) of snow.

Daylight

In January, the average length of the day is 9.3h.

Sunshine

The average sunshine in Lead is 6h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Lead. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What are the most humid months in Lead?

Months with the highest humidity in Lead, South Dakota, are January and February, with an average relative humidity of 79%.

What is the average humidity in January in Lead?

In January, the average relative humidity in Lead is 79%.

What is the driest month in Lead?

January is the month with the least rainfall in Lead, South Dakota. Rain falls for 3.7 days and accumulates 0.55" (14mm) of precipitation.

How many days does it rain in January in Lead?

In January, in Lead, South Dakota, the rain falls for 3.7 days. Throughout January, 0.55" (14mm) of precipitation is accumulated.

How many days does it snow in January in Lead?

In Lead, South Dakota, during January, snow falls for 11.7 days and regularly aggregates up to 2.87" (73mm) of snow.

How many hours of daylight does Lead have in January?

The average length of the day in January in Lead, South Dakota, is 9.3h.

How many hours of sunshine does Lead have in January?

In Lead, the average sunshine in January is 6h.

When is the lowest UV index in Lead?

Months with the lowest UV index in Lead, South Dakota, are January through March, October through December, with an average maximum UV index of 2.

What is the UV index intensity in January in Lead?

In January, the average daily maximum UV index in Lead is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV radiation.

Average temperature in January
Lead, SD

Average temperature in January - Lead, SD
  • Average high temperature in January: -0.8°C

The warmest month (with the highest average high temperature) is July (27.7°C).
The month with the lowest average high temperature is December (-1.3°C).

  • Average low temperature in January: -8.3°C

The month with the highest average low temperature is July (15.8°C).
The coldest month (with the lowest average low temperature) is February (-9.2°C).

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Average pressure in January
Lead, SD

Average pressure in January - Lead, SD
  • Average pressure in January: 1020.5mbar

The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1010.6mbar).

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Average wind speed in January
Lead, SD

Average wind speed in January - Lead, SD
  • Average wind speed in January: 15.8km/h

The windiest month (with the highest average wind speed) is October (16km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).

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Average humidity in January
Lead, SD

Average humidity in January - Lead, SD
  • Average humidity in January: 79%

The months with the highest relative humidity are January and February (79%).
The months with the lowest relative humidity are August and September (51%).

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Average rainfall in January
Lead, SD

Average rainfall in January - Lead, SD
  • Average rainfall in January: 14mm

The wettest month (with the highest rainfall) is May (49mm).
The driest month (with the least rainfall) is January (14mm).

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Average rainfall days in January
Lead, SD

Average rainfall days in January - Lead, SD
  • Average rainfall days in January: 3.7 days

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall in January
Lead, SD

Average snowfall in January - Lead, SD
  • Average snowfall in January: 73mm

The month with the highest snowfall is April (166mm).
The months with the least snowfall are July and August (0mm).

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Average snowfall days in January
Lead, SD

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

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in January / Average sunshine in January - Lead, SD
  • Average daylight in January: 9.3h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in January: 6h

The month with the most sunshine is August (Average sunshine: 11.7h).
The month with the least sunshine is February (Average sunshine: 5.9h).

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Average sunshine days in January
Lead, SD

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

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in January
Lead, SD

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in January
Lead, SD

Average cloud cover in January - Lead, SD
  • Average cloud cover in January: 38

The months with the most cloud cover are February and April (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in January
Lead, SD

Average visibility in January - Lead, SD
  • Average visibility in January: 8km

The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).

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