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Sioux City (IA)
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United States weather

Weather in Sioux City, Iowa for June 2026

Your guide to Sioux City weather in June - trends and predictions

    Temperatures

  • In general, the average temperature in Sioux City at the beginning of June is 26.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 29.6 °F by the end of June.

    • Rain 🌧️

  • Sioux City experiences moderate rainfall in June, with an average of 9 rainy days and a total precipitation of 312 mm.

    • More

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Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/17°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Sioux City Weather June

Move between months or click on a day
May
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
33°
2
Partly cloudy
32°
3
Torrential rain shower
23°
4
Cloudy
24°
5
Overcast
20°
6
Overcast
24°
7
Cloudy
27°
8
Cloudy
26°
9
Partly cloudy
21°
10
Sunny
31°
11
Thundery outbreaks possible
33°
12
Partly cloudy
34°
13
Mist
30°
14
Cloudy
30°
15
Thundery outbreaks possible
30°
16
Thundery outbreaks possible
33°
17
Heavy rain
25°
18
Light rain shower
26°
19
Sunny
34°
20
Sunny
40°
21
Sunny
40°
22
Thundery outbreaks possible
35°
23
Moderate or heavy rain shower
29°
24
Moderate or heavy rain shower
27°
25
Moderate or heavy rain shower
34°
26
Light rain shower
26°
27
Fog
30°
28
Light rain shower
34°
29
Light rain shower
24°
30
Fog
32°

Temperatures trend during June in Sioux City

See the weather trend as well as the moving average line

June weather in Sioux City day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
Jun. 1 Sunny
Sunny
 33° /15° 0 mm 8
Jun. 2 Partly cloudy
Partly cloudy
 32° /17° 0 mm 8
Jun. 3 Torrential rain shower
Torrential rain shower
 23° /12° 40.7 mm 5
Jun. 4 Cloudy
Cloudy
 24° /9° 0 mm 5
Jun. 5 Overcast
Overcast
 20° /16° 0 mm 5
Jun. 6 Overcast
Overcast
 24° /14° 0 mm 5
Jun. 7 Cloudy
Cloudy
 27° /15° 0 mm 6
Jun. 8 Cloudy
Cloudy
 26° /15° 0 mm 6
Jun. 9 Partly cloudy
Partly cloudy
 21° /10° 0 mm 6
Jun. 10 Sunny
Sunny
 31° /11° 0 mm 8
Jun. 11 Thundery outbreaks possible
Thundery outbreaks possible
 33° /16° 0 mm 7
Jun. 12 Partly cloudy
Partly cloudy
 34° /18° 0 mm 8
Jun. 13 Mist
Mist
 30° /18° 0 mm 7
Jun. 14 Cloudy
Cloudy
 30° /14° 0 mm 7
Jun. 15 Thundery outbreaks possible
Thundery outbreaks possible
 30° /18° 0 mm 7
Jun. 16 Thundery outbreaks possible
Thundery outbreaks possible
 33° /21° 0 mm 7
Jun. 17 Heavy rain
Heavy rain
 25° /18° 77.2 mm 6
Jun. 18 Light rain shower
Light rain shower
 26° /19° 20.5 mm 6
Jun. 19 Sunny
Sunny
 34° /17° 0 mm 8
Jun. 20 Sunny
Sunny
 40° /23° 0 mm 10
Jun. 21 Sunny
Sunny
 40° /25° 0 mm 10
Jun. 22 Thundery outbreaks possible
Thundery outbreaks possible
 35° /26° 0 mm 8
Jun. 23 Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /16° 50.4 mm 6
Jun. 24 Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /18° 76.8 mm 6
Jun. 25 Moderate or heavy rain shower
Moderate or heavy rain shower
 34° /21° 12 mm 7
Jun. 26 Light rain shower
Light rain shower
 26° /21° 16 mm 6
Jun. 27 Fog
Fog
 30° /18° 0 mm 7
Jun. 28 Light rain shower
Light rain shower
 34° /21° 3.8 mm 7
Jun. 29 Light rain shower
Light rain shower
 24° /20° 14.6 mm 5
Jun. 30 Fog
Fog
 32° /19° 0 mm 7
Next
Important Notice
Our weather forecast for Sioux City in June is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Sioux City forecast closer to your planned date for the most up-to-date weather information.
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Sioux City in June - FAQ

What are the expected maximum and minimum temperatures in Sioux City during June?
Expect warm days with temperatures around 30°, cooling to mild conditions of 17° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Sioux City during June?
Significant rainfall exceeding 312 mm is expected in Sioux City during June, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Sioux City during June?
The average wind speed in Sioux City during June is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

June rainfall patterns in Sioux City

Explore the daily rainfall trends and prepare for Sioux Citys June weather 💧
Typically, Sioux City has 9 rainy days in June with a total of 312 mm of rainfall.

UV exposure in Sioux City during June

Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️

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Location coordinates Where is Sioux City?

Get accurate weather forecasts for Sioux City, located at latitude 42.5 and longitude -96.4. Stay updated with localized weather information tailored for Sioux City.

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