January weather forecast
Lennox, SD

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Weather in January

January in Lennox, South Dakota, often starts off with cold and frosty weather patterns. Snowfall is an almost guaranteed part of the landscape, with around 2.44" (62mm) averaged over the month. It's the month with the least amount of daylight, making for short, often overcast, days. Wind speeds can be high, causing wind chill to reduce the apparent temperature further. Overall, January is all about wrapping up warm and preparing for potential snowfall.

Temperature

With an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 10.8°F (-11.8°C), January is the coldest month in Lennox, South Dakota.

Humidity

January is the most humid month in Lennox, with an average relative humidity of 87%.

Rainfall

The months with the least rainfall are January, February and November Rain falls for 3.3 days and accumulates 0.47" (12mm) of rain.

Snowfall

Months with snowfall are January through May, October through December. In Lennox, South Dakota, during January, snow falls for 9.5 days and regularly aggregates up to 2.44" (62mm) of snow. In Lennox, during the entire year, snow falls for 38.7 days and aggregates up to 12.76" (324mm) of snow.

Daylight

In Lennox, the average length of the day in January is 9h and 25min.
On the first day of January in Lennox, South Dakota, sunrise is at 7:59 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:37 pm CST.

Sunshine

With an average of 4.2h of sunshine, January has the least sunshine of the year in Lennox.

UV index

The average daily maximum UV index in January in Lennox is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the UV index of 2 transforms into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What part of the year is the coldest in Lennox?

January stands out as Lennox's coldest month, with temperatures ranging between an average high of 24.3°F (-4.3°C) and a low of 10.8°F (-11.8°C).

How cold is January in Lennox?

January temperatures in Lennox vary between a high-temperature of 24.3°F (-4.3°C) and a low-temperature of 10.8°F (-11.8°C).

What is the most humid month in Lennox?

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

What is the average humidity in January in Lennox?

In January, the average relative humidity in Lennox, South Dakota, is 87%.

What is the driest month in Lennox?

The months with the least rainfall in Lennox, South Dakota, are January, February and November Rain falls for 3.3 days and accumulates 0.47" (12mm) of rain.

How many days does it rain in January in Lennox?

In Lennox, South Dakota, in January, it is raining for 3.3 days, with typically 0.47" (12mm) of accumulated precipitation.

How many days does it snow in January in Lennox?

In Lennox, during January, snow falls for 9.5 days and regularly aggregates up to 2.44" (62mm) of snow.

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

In Lennox, South Dakota, the average day length in January is 9h and 25min.

What time are sunrise and sunset in January in Lennox?

On the first day of January, sunrise is at 7:59 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:37 pm CST.

What is the month with the least sunshine in Lennox?

January has the least sunshine of the year, with an average of 4.2h of sunshine.

How many hours of sunshine does Lennox have in January?

In January, the average sunshine duration in Lennox is 4.2h.

What is the UV index intensity in January in Lennox?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Lennox, SD

Average temperature in January - Lennox, SD
  • Average high temperature in January: 24.3°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in January: 10.8°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in January
Lennox, SD

Average pressure in January - Lennox, 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 (29.85"Hg).

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Average wind speed in January
Lennox, SD

Average wind speed in January - Lennox, SD
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

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Average humidity in January
Lennox, SD

Average humidity in January - Lennox, SD
  • Average humidity in January: 87%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).

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Average rainfall in January
Lennox, SD

Average rainfall in January - Lennox, SD
  • Average rainfall in January: 0.47"

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").

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Average rainfall days in January
Lennox, SD

Average rainfall days in January - Lennox, SD
  • Average rainfall days in January: 3.3 days

The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).

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Average snowfall in January
Lennox, SD

Average snowfall in January - Lennox, SD
  • Average snowfall in January: 2.44"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Lennox, SD

Average snowfall days in January - Lennox, SD
  • Average snowfall days in January: 9.5 days

The month with the highest number of snowfall days is January (9.5 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
Lennox, SD

Average daylight in January / Average sunshine in January - Lennox, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in January
Lennox, SD

Average sunshine days in January - Lennox, SD
  • Average sunshine days in January: 20.4 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).

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Average UV index in January
Lennox, SD

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

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

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Average cloud cover in January
Lennox, SD

Average cloud cover in January - Lennox, SD
  • Average cloud cover in January: 54

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in January
Lennox, SD

Average visibility in January - Lennox, SD
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Lennox, South Dakota, USA

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