weathercrisp.com
Sioux Falls (SD)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Daytona Beach (FL)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)
Sioux Falls (SD)
Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Sioux Falls, South Dakota for May 2027

Your guide to Sioux Falls weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Sioux Falls during May is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in Sioux Falls at the beginning of May is 18.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.9 °C by the end of May.

    • Rain 🌧️

  • Sioux Falls in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 104.5 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
13
Dry days
Average rainy days
17
Rainy days
Average snowy days
1
Snow days
Average temperatures
20°/9°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
64 %
Avg humidity

Sioux Falls Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
17°
2
Patchy rain possible
16°
3
Overcast
18°
4
Patchy rain possible
19°
5
Sunny
18°
6
Overcast
19°
7
Thundery outbreaks possible
20°
8
Light rain shower
21°
9
Light rain shower
21°
10
Patchy light drizzle
23°
11
Partly cloudy
27°
12
Thundery outbreaks possible
26°
13
Sunny
25°
14
Sunny
26°
15
Light rain shower
23°
16
Mist
21°
17
Sunny
22°
18
Patchy light drizzle
18°
19
Light rain shower
15°
20
Sunny
16°
21
Sunny
16°
22
Cloudy
19°
23
Partly cloudy
21°
24
Sunny
21°
25
Patchy rain possible
23°
26
Patchy rain possible
23°
27
Sunny
23°
28
Partly cloudy
23°
29
Moderate rain at times
23°
30
Heavy rain at times
25°
31
Moderate or heavy rain shower
27°

Temperatures trend during May in Sioux Falls

See the weather trend as well as the moving average line

May weather in Sioux Falls day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
May 1 Overcast
Overcast
 17° /6° 0 mm 0 cm
May 2 Patchy rain possible
Patchy rain possible
 16° /4° 4.2 mm 0 cm
May 3 Overcast
Overcast
 18° /6° 1.4 mm 0 cm
May 4 Patchy rain possible
Patchy rain possible
 19° /7° 1.6 mm 0 cm
May 5 Sunny
Sunny
 18° /5° 0 mm 0 cm
May 6 Overcast
Overcast
 19° /6° 6.6 mm 0 cm
May 7 Thundery outbreaks possible
Thundery outbreaks possible
 20° /7° 0 mm 0 cm
May 8 Light rain shower
Light rain shower
 21° /7° 1.5 mm 0 cm
May 9 Light rain shower
Light rain shower
 21° /9° 1.2 mm 0 cm
May 10 Patchy light drizzle
Patchy light drizzle
 23° /9° 0.1 mm 0 cm
May 11 Partly cloudy
Partly cloudy
 27° /9° 0.1 mm 0 cm
May 12 Thundery outbreaks possible
Thundery outbreaks possible
 26° /13° 1.1 mm 0 cm
May 13 Sunny
Sunny
 25° /11° 0.5 mm 0 cm
May 14 Sunny
Sunny
 26° /13° 0 mm 0 cm
May 15 Light rain shower
Light rain shower
 23° /13° 22.6 mm 0 cm
May 16 Mist
Mist
 21° /9° 0 mm 0 cm
May 17 Sunny
Sunny
 22° /10° 6.5 mm 0 cm
May 18 Patchy light drizzle
Patchy light drizzle
 18° /8° 1.2 mm 0 cm
May 19 Light rain shower
Light rain shower
 15° /8° 9.9 mm 0 cm
May 20 Sunny
Sunny
 16° /3° 0 mm 0 cm
May 21 Sunny
Sunny
 16° /5° 12 mm 6.2 cm
May 22 Cloudy
Cloudy
 19° /9° 5.6 mm 0 cm
May 23 Partly cloudy
Partly cloudy
 21° /9° 8.9 mm 0 cm
May 24 Sunny
Sunny
 21° /11° 1.3 mm 0 cm
May 25 Patchy rain possible
Patchy rain possible
 23° /12° 1.2 mm 0 cm
May 26 Patchy rain possible
Patchy rain possible
 23° /12° 0.1 mm 0 cm
May 27 Sunny
Sunny
 23° /12° 4.1 mm 0 cm
May 28 Partly cloudy
Partly cloudy
 23° /11° 0.3 mm 0 cm
May 29 Moderate rain at times
Moderate rain at times
 23° /12° 0.8 mm 0 cm
May 30 Heavy rain at times
Heavy rain at times
 25° /14° 3.2 mm 0 cm
May 31 Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /15° 7.3 mm 0 cm
Next
Important Notice
Our weather forecast for Sioux Falls 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 Falls forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Sioux Falls in May - FAQ

What are the expected maximum and minimum temperatures in Sioux Falls during May?

Enjoy moderate daytime temperatures of up to 20° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Sioux Falls during May?

Significant rainfall exceeding 104.5 mm is expected in Sioux Falls during May, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Sioux Falls in May 2027?

Sioux Falls typically sees 6.23 cm of snowfall during May.

What are the typical wind conditions in Sioux Falls during May?

The average wind speed in Sioux Falls during May is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Sioux Falls snow forecast May 2027

Track daily snowfall levels and discover Sioux Falls’s snowy potential this May ❄️
On average, Sioux Falls sees 1 snowy days during May, with approximately 6.2 cm of total snowfall.

May rainfall patterns in Sioux Falls

Explore the daily rainfall trends and prepare for Sioux Fallss May weather 💧
Typically, Sioux Falls has 17 rainy days in May with a total of 104.5 mm of rainfall.

UV exposure in Sioux Falls during May

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

Quick links

More Sioux Falls weather pages
You are here
Location coordinates Where is Sioux Falls?

Get accurate weather forecasts for Sioux Falls, located at latitude 43.55 and longitude -96.7. Stay updated with localized weather information tailored for Sioux Falls.

Found a mistake?
We appreciate your attention to details. Tell us here.