January weather forecast
Okreek, SD

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Weather in January

January, like December, is another subzero cold winter month in Okreek, South Dakota, with temperature in the range of an average high of 28.8°F (-1.8°C) and an average low of 15.6°F (-9.1°C).

Temperature

January is the coldest month, exhibiting average temperatures of 28.8°F (-1.8°C) at the peak and 15.6°F (-9.1°C) at the base.

Humidity

January is the most humid month, with an average relative humidity of 82%.

Rainfall

The month with the least rainfall is January, when the rain falls for 2.7 days and typically collects 0.47" (12mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In January, it is snowing for 9.6 days. Throughout January, 2.64" (67mm) of snow is accumulated. Throughout the year, there are 39.7 snowfall days, and 14.45" (367mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 25min.
On the first day of January, sunrise is at 8:13 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:51 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.9h of sunshine.

UV index

In Okreek, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the UV index of 2 transforms into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

January is the coldest month, exhibiting average temperatures of 28.8°F (-1.8°C) at the peak and 15.6°F (-9.1°C) at the base.

How cold is January?

During January, Okreek experiences an average high-temperature of 28.8°F (-1.8°C) and a low-temperature of 15.6°F (-9.1°C).

What is the most humid month?

January is the most humid month, with an average relative humidity of 82%.

What is the average humidity in January?

In Okreek, South Dakota, the average relative humidity in January is 82%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in January?

In January, the rain falls for 2.7 days. Throughout January, 0.47" (12mm) of precipitation is accumulated.

How many days does it snow in January?

In Okreek, during January, snow falls for 9.6 days and regularly aggregates up to 2.64" (67mm) of snow.

How many hours of daylight does Okreek have in January?

The average day length in January is 9h and 25min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 8:13 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:51 pm CST.

What is the month with the least sunshine in Okreek?

The month with the least sunshine is January, with an average of 4.9h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 4.9h.

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents 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
Okreek, SD

Average temperature in January - Okreek, SD
  • Average high temperature in January: 28.8°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in January: 15.6°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

Average pressure in January
Okreek, SD

Average pressure in January - Okreek, 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 (29.84"Hg).

Average wind speed in January
Okreek, SD

Average wind speed in January - Okreek, SD
  • Average wind speed in January: 11.1mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

Average humidity in January
Okreek, SD

Average humidity in January - Okreek, SD
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).

Average rainfall in January
Okreek, SD

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

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in January
Okreek, SD

Average rainfall days in January - Okreek, SD
  • Average rainfall days in January: 2.7 days

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).

Average snowfall in January
Okreek, SD

Average snowfall in January - Okreek, SD
  • Average snowfall in January: 2.64"

The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in January
Okreek, SD

Average snowfall days in January - Okreek, SD
  • Average snowfall days in January: 9.6 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Okreek, 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in January
Okreek, SD

Average sunshine days in January - Okreek, SD
  • Average sunshine days in January: 19.7 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in January
Okreek, SD

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

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

Average cloud cover in January
Okreek, SD

Average cloud cover in January - Okreek, SD
  • Average cloud cover in January: 47

The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).

Average visibility in January
Okreek, SD

Average visibility in January - Okreek, 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).

Okreek, South Dakota, USA

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