January weather forecast
South Sioux City, NE

Weather in January

January, like December, is a freezing cold winter month in South Sioux City, Nebraska, with average temperature ranging between max 27°F (-2.8°C) and min 13.5°F (-10.3°C).

Temperature

January is the coldest month, with an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 13.5°F (-10.3°C).

Humidity

The most humid month in South Sioux City is January, with an average relative humidity of 83%.

Rainfall

Months with the least rainfall are January and February Rain falls for 2.6 days and accumulates 0.39" (10mm) of rain.

Snowfall

January through April, October through December are months with snowfall in South Sioux City. January is the month with the most snowfall in South Sioux City. Snow falls for 8.2 days and accumulates 1.77" (45mm) of snow.

Daylight

The average length of the day in South Sioux City is 9.5h.

Sunshine

The month with the least sunshine is January, with an average of 4.5h of sunshine.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 1 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in South Sioux City?

The coldest month in South Sioux City, Nebraska, is January, with an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 13.5°F (-10.3°C).

What is the most humid month in South Sioux City?

With an average relative humidity of 83%, January is the most humid month in South Sioux City, Nebraska.

What is the average humidity in January in South Sioux City?

In January, the average relative humidity in South Sioux City is 83%.

What is the driest month in South Sioux City?

Months with the least rainfall are January and February Rain falls for 2.6 days and accumulates 0.39" (10mm) of rain.

How much does it rain in South Sioux City in January?

In January, in South Sioux City, Nebraska, the rain falls for 2.6 days. Throughout January, 0.39" (10mm) of precipitation is accumulated.

What is the snowiest month in South Sioux City?

January is the month with the most snowfall in South Sioux City. Snow falls for 8.2 days and accumulates 1.77" (45mm) of snow.

How much does it snow in South Sioux City in January?

In South Sioux City, in January, during 8.2 snowfall days, 1.77" (45mm) of snow is typically accumulated.

What is the average length of the day in January in South Sioux City?

In South Sioux City, the average length of the day in January is 9.5h.

What is the month with the least sunshine in South Sioux City?

With an average of 4.5h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does South Sioux City have in January?

The average sunshine in January in South Sioux City, Nebraska, is 4.5h.

What is the month with the lowest UV index in South Sioux City?

The month with the lowest UV index in South Sioux City is January, with an average maximum UV index of 1.

What is the UV index reading in January in South Sioux City?

In January, the average daily maximum UV index in South Sioux City is 1. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.

Average temperature in January
South Sioux City, NE

Average temperature in January - South Sioux City, NE
  • Average high temperature in January: 27°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in January: 13.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

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Average pressure in January
South Sioux City, NE

Average pressure in January - South Sioux City, NE
  • Average pressure in January: 30.16"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in January
South Sioux City, NE

Average wind speed in January - South Sioux City, NE
  • Average wind speed in January: 10.7mph

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

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Average humidity in January
South Sioux City, NE

Average humidity in January - South Sioux City, NE
  • Average humidity in January: 83%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (65%).

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Average rainfall in January
South Sioux City, NE

Average rainfall in January - South Sioux City, NE
  • Average rainfall in January: 0.39"

The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.39").

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Average rainfall days in January
South Sioux City, NE

Average rainfall days in January - South Sioux City, NE
  • Average rainfall days in January: 2.6 days

The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is January (2.6 days).

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Average snowfall in January
South Sioux City, NE

Average snowfall in January - South Sioux City, NE
  • Average snowfall in January: 1.77"

The month with the highest snowfall is January (1.77").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
South Sioux City, NE

Average snowfall days in January - South Sioux City, NE
  • Average snowfall days in January: 8.2 days

The month with the highest number of snowfall days is January (8.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
South Sioux City, NE

Average daylight in January / Average sunshine in January - South Sioux City, NE
  • Average daylight in January: 9.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in January: 4.5h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is January (Average sunshine: 4.5h).

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Average sunshine days in January
South Sioux City, NE

Average sunshine days in January - South Sioux City, NE
  • Average sunshine days in January: 22.6 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (13.1 days).

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Average UV index in January
South Sioux City, NE

Average UV index in January - South Sioux City, NE
  • Average UV index in January: 1

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

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Average cloud cover in January
South Sioux City, NE

Average cloud cover in January - South Sioux City, NE
  • Average cloud cover in January: 51

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in January
South Sioux City, NE

Average visibility in January - South Sioux City, NE
  • Average visibility in January: 6mi

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

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