January weather forecast
Wanblee, SD

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Weather in January

January, the same as December, in Wanblee, South Dakota, is a freezing cold winter month, with temperature in the range of an average high of 29.8°F (-1.2°C) and an average low of 16.7°F (-8.5°C).

Temperature

January is Wanblee's coldest month, registering average high temperatures of 29.8°F (-1.2°C) and lows of 16.7°F (-8.5°C).

Humidity

January is the most humid month, with an average relative humidity of 81%.

Rainfall

The month with the least rainfall is January, when the rain falls for 2.8 days and typically collects 0.39" (10mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Wanblee, in January, during 8.4 snowfall days, 2.09" (53mm) of snow is typically accumulated. In Wanblee, South Dakota, during the entire year, snow falls for 38.8 days and aggregates up to 16.1" (409mm) of snow.

Daylight

The average length of the day in January is 9h and 23min.
On the first day of January, sunrise is at 7:19 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:55 pm MST.

Sunshine

January and February, with an average of 5.2h of sunshine, are months with the least sunshine.

UV index

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Wanblee's temperature records reveal January as the coldest month, marked by average highs of 29.8°F (-1.2°C) and lows of 16.7°F (-8.5°C).

How cold is it in January?

January temperatures vary between a high-temperature of 29.8°F (-1.2°C) and a low-temperature of 16.7°F (-8.5°C).

What is the most humid month?

The most humid month is January, with an average relative humidity of 81%.

What is the average humidity in January?

In January, the average relative humidity is 81%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 2.8 days and accumulates 0.39" (10mm) of precipitation.

How many days does it rain in January in Wanblee?

In Wanblee, in January, during 2.8 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Wanblee, in January, snow falls for 8.4 days, with typically accumulated 2.09" (53mm) of snow.

What is the average length of the day in January?

In Wanblee, the average day length in January is 9h and 23min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:19 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:55 pm MST.

What is the month with the least sunshine?

The months with the least sunshine are January and February, with an average of 5.2h of sunshine.

How long on average sun shines in January?

In Wanblee, the average sunshine duration in January is 5.2h.

What is the UV index reading in January?

In January, the average daily maximum UV index in Wanblee, South Dakota, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Wanblee, SD

Average temperature in January - Wanblee, SD
  • Average high temperature in January: 29.8°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in January: 16.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in January
Wanblee, SD

Average pressure in January - Wanblee, SD
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in January
Wanblee, SD

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

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).

Average humidity in January
Wanblee, SD

Average humidity in January - Wanblee, SD
  • Average humidity in January: 81%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).

Average rainfall in January
Wanblee, SD

Average rainfall in January - Wanblee, SD
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in January
Wanblee, SD

Average rainfall days in January - Wanblee, SD
  • Average rainfall days in January: 2.8 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in January
Wanblee, SD

Average snowfall in January - Wanblee, SD
  • Average snowfall in January: 2.09"

The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Wanblee, SD

Average snowfall days in January - Wanblee, SD
  • Average snowfall days in January: 8.4 days

The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Wanblee, 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: 5h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

Average sunshine days in January
Wanblee, SD

Average sunshine days in January - Wanblee, SD
  • Average sunshine days in January: 20.6 days

The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).

Average UV index in January
Wanblee, SD

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Wanblee, SD

Average cloud cover in January - Wanblee, SD
  • Average cloud cover in January: 46

The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).

Average visibility in January
Wanblee, SD

Average visibility in January - Wanblee, 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).

Wanblee, South Dakota, USA

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