Sioux City (IA)
May
Weather in Sioux City, Iowa for May 2027
Your guide to Sioux City weather in May - trends and predictions
Sioux City experiences moderate rainfall in May, with an average of 7 rainy days and a total precipitation of 89 mm.
Is May a good time to visit Sioux City? check out the best time to travel to Sioux City page.
✨ Is May a good time to visit Sioux City? – Ask the AI Weatherman
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
22°/11°
Temperatures
22 km/h
Avg max wind
61 %
Avg humidity
Sioux City Weather May
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Temperatures trend during May in Sioux City
See the weather trend as well as the moving average line
May weather in Sioux City day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Patchy rain possible | 16° /8° | 0.2 mm | 7 | |
| May 2 | Patchy rain possible | 18° /5° | 0.4 mm | 6 | |
| May 3 |  Sunny | 21° /9° | 0 mm | 8 | |
| May 4 | Sunny | 24° /8° | 0 mm | 8 | |
| May 5 | Sunny | 20° /7° | 0 mm | 7 | |
| May 6 |  Partly cloudy | 20° /6° | 0 mm | 8 | |
| May 7 |  Overcast | 23° /8° | 0 mm | 8 | |
| May 8 | Overcast | 24° /11° | 0 mm | 8 | |
| May 9 | Sunny | 26° /10° | 0 mm | 9 | |
| May 10 | Sunny | 26° /10° | 0 mm | 9 | |
| May 11 | Sunny | 29° /12° | 0 mm | 9 | |
| May 12 | Sunny | 27° /14° | 0.2 mm | 9 | |
| May 13 | Sunny | 28° /12° | 0 mm | 9 | |
| May 14 |  Cloudy | 29° /16° | 0.3 mm | 8 | |
| May 15 |  Light rain | 27° /16° | 3.6 mm | 8 | |
| May 16 | Patchy rain possible | 23° /13° | 2.1 mm | 7 | |
| May 17 |  Moderate rain | 25° /13° | 16.8 mm | 4 | |
| May 18 | Light rain | 19° /9° | 6.6 mm | 4 | |
| May 19 |  Heavy rain | 17° /10° | 27.1 mm | 6 | |
| May 20 | Light rain | 14° /7° | 4.2 mm | 7 | |
| May 21 | Overcast | 13° /5° | 0 mm | 3 | |
| May 22 | Moderate rain | 18° /8° | 11 mm | 4 | |
| May 23 | Patchy rain possible | 20° /8° | 1.4 mm | 7 | |
| May 24 | Overcast | 23° /11° | 0.3 mm | 7 | |
| May 25 | Light rain | 24° /15° | 6.2 mm | 7 | |
| May 26 | Overcast | 24° /13° | 0.1 mm | 7 | |
| May 27 |  Fog | 24° /13° | 0 mm | 7 | |
| May 28 | Overcast | 25° /16° | 0.1 mm | 7 | |
| May 29 | Light rain | 20° /16° | 6.4 mm | 7 | |
| May 30 | Sunny | 27° /15° | 0.5 mm | 8 | |
| May 31 | Patchy rain possible | 30° /16° | 1.3 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Sioux City in May 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.
Change Month
Sioux City in May - FAQ
What are the expected maximum and minimum temperatures in Sioux City during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sioux City during May?
Moderate rainfall is anticipated in Sioux City during May, with a total of 89 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Sioux City during May?
The average wind speed in Sioux City during May is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Sioux City
Explore the daily rainfall trends and prepare for Sioux Citys May weather 💧
Typically, Sioux City has 7 rainy days in May with a total of 89 mm of rainfall.
UV exposure in Sioux City during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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