January weather forecast
Whitewood, SD

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Weather in January

January, like December, in Whitewood, South Dakota, is another cold winter month, with an average temperature varying between 18.7°F (-7.4°C) and 32.4°F (0.2°C).

Temperature

January brings an average high-temperature of a still icy 32.4°F (0.2°C), nearly identical to the preceding month. In Whitewood, January is marked by an average low-temperature of 18.7°F (-7.4°C).

Humidity

With an average relative humidity of 77%, January is the most humid month in Whitewood.

Rainfall

The month with the least rainfall is January, when the rain falls for 6.5 days and typically collects 0.59" (15mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Whitewood. In Whitewood, during January, snow falls for 11.4 days and regularly aggregates up to 3.19" (81mm) of snow. In Whitewood, during the entire year, snow falls for 62.1 days and aggregates up to 36.26" (921mm) of snow.

Daylight

In January, the average length of the day is 9h and 18min.
On the first day of the month, sunrise is at 7:30 am and sunset at 4:25 pm. On the last day of January, in Whitewood, sunrise is at 7:14 am and sunset at 5:01 pm MST.

Sunshine

In January, the average sunshine is 6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. 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: An average maximum UV index of 2 in January leads to these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January in Whitewood?

The average high-temperature, in January, in Whitewood, is 32.4°F (0.2°C), while the average low-temperature is 18.7°F (-7.4°C).

What is the most humid month in Whitewood?

The most humid month is January, with an average relative humidity of 77%.

What is the average humidity in January in Whitewood?

In January, the average relative humidity in Whitewood, South Dakota, is 77%.

What is the driest month in Whitewood?

January is the month with the least rainfall. Rain falls for 6.5 days and accumulates 0.59" (15mm) of precipitation.

How many days does it rain in January in Whitewood?

In January, in Whitewood, South Dakota, the rain falls for 6.5 days. Throughout January, 0.59" (15mm) of precipitation is accumulated.

How many days does it snow in January in Whitewood?

In Whitewood, in January, snow falls for 11.4 days, with typically accumulated 3.19" (81mm) of snow.

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

In January, the average day length in Whitewood is 9h and 18min.

When are sunrise and sunset in January in Whitewood?

On the first day of January in Whitewood, sunrise is at 7:30 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:01 pm MST.

How many hours of sunshine does Whitewood have in January?

In January, the average sunshine duration in Whitewood, South Dakota, is 6h.

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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Whitewood, South Dakota.

What is the UV index reading in January in Whitewood?

In Whitewood, South Dakota, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from 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
Whitewood, SD

Average temperature in January - Whitewood, SD
  • Average high temperature in January: 32.4°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.2°F).

  • Average low temperature in January: 18.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).

Average pressure in January
Whitewood, SD

Average pressure in January - Whitewood, SD
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in January
Whitewood, SD

Average wind speed in January - Whitewood, SD
  • Average wind speed in January: 10.2mph

The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

Average humidity in January
Whitewood, SD

Average humidity in January - Whitewood, SD
  • Average humidity in January: 77%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (49%).

Average rainfall in January
Whitewood, SD

Average rainfall in January - Whitewood, SD
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in January
Whitewood, SD

Average rainfall days in January - Whitewood, SD
  • Average rainfall days in January: 6.5 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).

Average snowfall in January
Whitewood, SD

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

The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Whitewood, SD

Average snowfall days in January - Whitewood, SD
  • Average snowfall days in January: 11.4 days

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

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

Average daylight in January / Average sunshine in January - Whitewood, 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: 6h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

Average sunshine days in January
Whitewood, SD

Average sunshine days in January - Whitewood, SD
  • Average sunshine days in January: 17.1 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).

Average UV index in January
Whitewood, SD

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

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 2).

Average cloud cover in January
Whitewood, SD

Average cloud cover in January - Whitewood, SD
  • Average cloud cover in January: 37

The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in January
Whitewood, SD

Average visibility in January - Whitewood, 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).

Whitewood, South Dakota, USA

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