February weather forecast
Sioux Falls, SD

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The Sioux Falls in South Dakota, flowing downstream over rocks under the perfect evening skyline
The Sioux Falls in South Dakota, flowing downstream over rocks under the perfect evening skyline

Weather in February

February continues the cold spell from January, but with a slight increase in sunshine, signalling a forthcoming thaw. Snowfall decreases to 4.25" (108mm), paving the way for the commencement of the transition to spring. The relative humidity drops from January, marking an end to the crystalline cityscape but continuing to keep the air crisp and refreshing. The modest increase in daylight hours encourages outdoor pursuits, even as the overall temperature remains in the grips of winter. Sioux Falls basks in the last stretch of winter's charm in February.

Temperature

Sioux Falls registers an average high-temperature of a still subzero cold 27°F (-2.8°C) with the arrival of February, showing minor deviation from the preceding month. In February, Sioux Falls reports a consistent average low-temperature of 13.1°F (-10.5°C) during the nights.

Humidity

In Sioux Falls, the average relative humidity in February is 83%.

Rainfall

January, February and November are months with the least rain when the rain falls for 3 days and typically aggregates up to 0.67" (17mm) of rain.

Snowfall

January through May, October through December are months with snowfall. February is the month with the most snowfall. Snow falls for 8.9 days and accumulates 4.25" (108mm) of snow.

Daylight

In February, the average length of the day in Sioux Falls is 10h and 32min.
On the first day of February in Sioux Falls, sunrise is at 7:43 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:15 pm CST.

Sunshine

The average sunshine in February in Sioux Falls, South Dakota, is 5.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 2 in February, converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in February?

Sioux Falls in February has an average high-temperature of 27°F (-2.8°C) and an average low-temperature of 13.1°F (-10.5°C).

What is the average humidity in February?

In February, the average relative humidity is 83%.

What is the driest month in Sioux Falls?

January, February and November are months with the least rain when the rain falls for 3 days and typically aggregates up to 0.67" (17mm) of rain.

How many days does it rain in February in Sioux Falls?

In Sioux Falls, in February, it is raining for 3 days, with typically 0.67" (17mm) of accumulated precipitation.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 8.9 days and typically aggregates up to 4.25" (108mm) of snow.

How much does it snow in February?

In Sioux Falls, in February, snow falls for 8.9 days, with typically accumulated 4.25" (108mm) of snow.

What is the average length of the day in February?

The average day length in February is 10h and 32min.

When is the sunrise / sunset in February?

In February, on the first day of the month, sunrise is at 7:43 am and sunset at 5:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:15 pm CST.

How long on average sun shines in February?

In February, the average sunshine duration is 5.1h.

When is the lowest UV index?

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

What is the UV index reading in February?

In February, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's 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 Falls, SD

Average temperature in February - Sioux Falls, SD
  • Average high temperature in February: 27°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in February: 13.1°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).

Average pressure in February
Sioux Falls, SD

Average pressure in February - Sioux Falls, SD
  • 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).

Average wind speed in February
Sioux Falls, SD

Average wind speed in February - Sioux Falls, SD
  • Average wind speed in February: 10.4mph

The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity in February
Sioux Falls, SD

Average humidity in February - Sioux Falls, SD
  • Average humidity in February: 83%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (66%).

Average rainfall in February
Sioux Falls, SD

Average rainfall in February - Sioux Falls, SD
  • Average rainfall in February: 0.67"

The wettest month (with the highest rainfall) is June (3.27").
The driest months (with the least rainfall) are January, February and November (0.67").

Average rainfall days in February
Sioux Falls, SD

Average rainfall days in February - Sioux Falls, SD
  • Average rainfall days in February: 3 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3 days).

Average snowfall in February
Sioux Falls, SD

Average snowfall in February - Sioux Falls, SD
  • Average snowfall in February: 4.25"

The month with the highest snowfall is February (4.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in February
Sioux Falls, SD

Average snowfall days in February - Sioux Falls, SD
  • Average snowfall days in February: 8.9 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in February /
Average sunshine in February
Sioux Falls, SD

Average daylight in February / Average sunshine in February - Sioux Falls, SD
  • Average daylight in February: 10h and 3min

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 February: 5h and 1min

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 0min).

Average sunshine days in February
Sioux Falls, SD

Average sunshine days in February - Sioux Falls, SD
  • Average sunshine days in February: 17 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is June (10 days).

Average UV index in February
Sioux Falls, SD

Average UV index in February - Sioux Falls, SD
  • Average UV index in February: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in February
Sioux Falls, SD

Average cloud cover in February - Sioux Falls, SD
  • Average cloud cover in February: 53

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in February
Sioux Falls, SD

Average visibility in February - Sioux Falls, SD
  • Average visibility in February: 6mi

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).

Sioux Falls, South Dakota, USA

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