February weather forecast
River Sioux, IA

Share

Weather in February

The last month of the winter, February, is a cold month in River Sioux, Iowa, with an average temperature varying between 32.7°F (0.4°C) and 18.7°F (-7.4°C).

Temperature

With the onset of February, River Sioux's average high-temperature clocks in at a wintry 32.7°F (0.4°C), showing a minor fluctuation from the previous month. River Sioux observes an average low-temperature of 18.7°F (-7.4°C) during February nights.

Humidity

In River Sioux, the average relative humidity in February is 79%.

Rainfall

In River Sioux, in February, it is raining for 3.3 days, with typically 0.79" (20mm) of accumulated precipitation. In River Sioux, during the entire year, the rain falls for 125.1 days and collects up to 22.64" (575mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In River Sioux, during February, snow falls for 7.9 days and regularly aggregates up to 2.76" (70mm) of snow. Throughout the year, there are 32.8 snowfall days, and 11.97" (304mm) of snow is accumulated.

Daylight

In February, the average length of the day is 10h and 37min.
On the first day of February, sunrise is at 7:36 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:13 pm CST.

Sunshine

In River Sioux, Iowa, the average sunshine in February is 5.5h.

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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 2 in February translates into this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is February in River Sioux?

The average high-temperature and low-temperature during February are 32.7°F (0.4°C) and 18.7°F (-7.4°C) respectively.

What is the average humidity in February?

In River Sioux, the average relative humidity in February is 79%.

How much does it rain in February?

In River Sioux, during February, the rain falls for 3.3 days and regularly aggregates up to 0.79" (20mm) of precipitation.

How many days does it snow in February?

In February, it is snowing for 7.9 days. Throughout February, 2.76" (70mm) of snow is accumulated.

How many hours of daylight does River Sioux have in February?

In River Sioux, the average day length in February is 10h and 37min.

What time are sunrise and sunset in February?

In February, on the first day of the month, sunrise is at 7:36 am and sunset at 5:38 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:13 pm CST.

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

In February, the average sunshine duration in River Sioux, Iowa, is 5.5h.

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.

How high is the UV index in February?

The average daily maximum UV index in February is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
River Sioux, IA

Average temperature in February - River Sioux, IA
  • Average high temperature in February: 32.7°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in February: 18.7°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in February
River Sioux, IA

Average pressure in February - River Sioux, 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).

Average wind speed in February
River Sioux, IA

Average wind speed in February - River Sioux, IA
  • Average wind speed in February: 10.5mph

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in February
River Sioux, IA

Average humidity in February - River Sioux, IA
  • Average humidity in February: 79%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (66%).

Average rainfall in February
River Sioux, IA

Average rainfall in February - River Sioux, IA
  • Average rainfall in February: 0.79"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in February
River Sioux, IA

Average rainfall days in February - River Sioux, IA
  • Average rainfall days in February: 3.3 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in February
River Sioux, IA

Average snowfall in February - River Sioux, IA
  • Average snowfall in February: 2.76"

The month with the highest snowfall is January (2.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in February
River Sioux, IA

Average snowfall days in February - River Sioux, IA
  • Average snowfall days in February: 7.9 days

The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in February / Average sunshine in February - River Sioux, 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 12min).

  • Average sunshine in February: 5h and 3min

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 42min).

Average sunshine days in February
River Sioux, IA

Average sunshine days in February - River Sioux, IA
  • Average sunshine days in February: 17.3 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is June (11.3 days).

Average UV index in February
River Sioux, IA

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

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

Average cloud cover in February
River Sioux, IA

Average cloud cover in February - River Sioux, IA
  • Average cloud cover in February: 46

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in February
River Sioux, IA

Average visibility in February - River Sioux, 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).

River Sioux, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location