February weather forecastSioux City, IA
February
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
As January transitions into February, Sioux City records an average high-temperature of a still subzero cold 31.1°F (-0.5°C), showing a gentle shift from the preceding month. Throughout February, the temperature falls to an average low of 17.1°F (-8.3°C).Humidity
In February, the average relative humidity 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
Months with snowfall are January through April, October through December. In Sioux City, in February, during 6.9 snowfall days, 1.54" (39mm) of snow is typically accumulated. In Sioux City, during the entire year, snow falls for 31.1 days and aggregates up to 6.85" (174mm) of snow.Daylight
The average length of the day in February is 10h and 35min.On the first day of February, 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
The average sunshine in February 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 low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 2 during February translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in February /
Average sunshine in February
Sioux City, IA
- Average daylight in February: 10h and 36min
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 18min
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).
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).
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).
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).
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).
