February weather forecast
Sioux City, IA

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Panorama of the vast Sioux City, Iowa
Panorama of the vast Sioux City, Iowa

Weather in February

As winter progresses into February in Sioux City, the slightly higher temperatures signal the beginning of the end for the harsh winter conditions. Although the cold persists, significant climatic variations become apparent as the city begins to transition into spring. The days become noticeably longer, symbolizing a change in the seasonal rhythms and offering a welcome respite from winter's stronghold. There is slightly less snowfall in February, with some more chances of rain as the month progresses, indicating early signs of the thaw. However, despite these signs of change, it is essential to remain prepared for winter's sudden comebacks.

Temperature

The advent of February signifies a minor shift to an average high-temperature of a still subzero cold 31.1°F (-0.5°C), aligning closely with January. During February, Sioux City records a consistent average nighttime temperature of 17.1°F (-8.3°C).

Humidity

In Sioux City, the average relative humidity in February is 80%.

Rainfall

The months with the least rainfall are January and February Rain falls for 3.2 days and accumulates 0.39" (10mm) of rain.

Snowfall

January through April, October through December are months with snowfall in Sioux City. In February, it is snowing for 6.9 days. Throughout February, 1.54" (39mm) of snow is accumulated. Throughout the year, in Sioux City, there are 31.1 snowfall days, and 6.85" (174mm) of snow is accumulated.

Daylight

In February, the average length of the day in Sioux City is 10h and 35min.
On the first day of February in Sioux City, sunrise is at 7:39 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:14 pm CST.

Sunshine

In February, the average sunshine in Sioux City is 5.3h.

UV index

In February, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 2 in February suggests the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

How cold is February in Sioux City?

Sioux City in February has an average high-temperature of 31.1°F (-0.5°C) and an average low-temperature of 17.1°F (-8.3°C).

What is the average humidity in February in Sioux City?

In February, the average relative humidity in Sioux City, Iowa, is 80%.

What is the driest month in Sioux City?

January and February are months with the least rain in Sioux City, Iowa, when the rain falls for 3.2 days and typically aggregates up to 0.39" (10mm) of rain.

How much does it rain in Sioux City in February?

In February, in Sioux City, Iowa, the rain falls for 3.2 days. Throughout February, 0.39" (10mm) of precipitation is accumulated.

How many days does it snow in February in Sioux City?

In February, it is snowing for 6.9 days. Throughout February, 1.54" (39mm) of snow is accumulated.

What is the average length of the day in February in Sioux City?

In February, the average day length in Sioux City is 10h and 35min.

When is the sunrise / sunset in February in Sioux City?

In February, on the first day of the month, sunrise is at 7:39 am and sunset at 5:38 pm. On the last day of the month, in Sioux City, sunrise is at 7:01 am and sunset at 6:14 pm CST.

How many hours of sunshine does Sioux City have in February?

The average sunshine duration in February in Sioux City is 5.3h.

What is the UV index reading in February in Sioux City?

The average daily maximum UV index in February in Sioux City, Iowa, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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 February
Sioux City, IA

Average temperature in February - Sioux City, IA
  • Average high temperature in February: 31.1°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 February: 17.1°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 February
Sioux City, IA

Average pressure in February - Sioux City, IA
  • Average pressure in February: 30.15"Hg

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

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Average wind speed in February
Sioux City, IA

Average wind speed in February - Sioux City, IA
  • Average wind speed in February: 10.6mph

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 February
Sioux City, IA

Average humidity in February - Sioux City, IA
  • Average humidity in February: 80%

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 February
Sioux City, IA

Average rainfall in February - Sioux City, IA
  • Average rainfall in February: 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 February
Sioux City, IA

Average rainfall days in February - Sioux City, IA
  • Average rainfall days in February: 3.2 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 February
Sioux City, IA

Average snowfall in February - Sioux City, IA
  • Average snowfall in February: 1.54"

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

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Average snowfall days in February
Sioux City, IA

Average snowfall days in February - Sioux City, IA
  • Average snowfall days in February: 6.9 days

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

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Average daylight in February /
Average sunshine in February
Sioux City, IA

Average daylight in February / Average sunshine in February - Sioux City, IA
  • Average daylight in February: 10h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in February: 5h and 2min

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 30min).

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Average sunshine days in February
Sioux City, IA

Average sunshine days in February - Sioux City, IA
  • Average sunshine days in February: 19.8 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 February
Sioux City, IA

Average UV index in February - Sioux City, IA
  • Average UV index in February: 2

The 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 February
Sioux City, IA

Average cloud cover in February - Sioux City, IA
  • Average cloud cover in February: 48

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 February
Sioux City, IA

Average visibility in February - Sioux City, IA
  • Average visibility in February: 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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Sioux City, Iowa, USA

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