Weather in Minnehaha County, South Dakota for May 2026
Frost Advisory - See hour by hour.
Snowfall in Minnehaha County during May is quite rare, with fewer than 2 snowy days on average.
According to Minnehaha County snow forecast for May 2026, no snow is expected in the next 2 weeks.Until now, May 2026 in Minnehaha County is cooler than usual, with temperatures averaging 16.1 °F, this is -2.7 °F below the typical seasonal average.
The forecast for the coming days of May 2026 predicts a temperature of 24.8 °F , which is warmer than usual.
In general, the average temperature in Minnehaha County at the beginning of May is 18.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.3 °F by the end of May.
The climate of Minnehaha County in May is notably wet, with an average of 13 rainy days, and a total of 118.5 mm of precipitation.
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Minnehaha County Weather May
Temperatures trend during May in Minnehaha County
May weather in Minnehaha County day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Overcast | 17° /6° | 0 mm | 5 | |
| May 2 |  Patchy rain possible | 16° /4° | 4.2 mm | 5 | |
| May 3 | Overcast | 18° /6° | 1.4 mm | 6 | |
| May 4 | Patchy rain possible | 19° /7° | 1.6 mm | 6 | |
| May 5 |  Sunny | 18° /5° | 0 mm | 7 | |
| May 6 | Overcast | 19° /6° | 6.6 mm | 6 | |
| May 7 |  Thundery outbreaks possible | 20° /7° | 0 mm | 6 | |
| May 8 | Light rain shower | 21° /7° | 1.5 mm | 6 | |
| May 9 | Light rain shower | 21° /9° | 1.2 mm | 7 | |
| May 10 |  Patchy light drizzle | 25° /10° | 0.2 mm | 6 | |
| May 11 | Sunny | 28° /5° | 0 mm | 7.6 | |
| May 12 | Sunny | 23° /15° | 0 mm | 7.2 | |
| May 13 | Sunny | 25° /11° | 0 mm | 7.4 | |
| May 14 | Patchy rain possible | 32° /14° | 0.5 mm | 7.8 | |
| May 15 | Patchy rain possible | 29° /16° | 2.6 mm | 0.2 | |
| May 16 |  Partly cloudy | 24° /15° | 0 mm | 5 | |
| May 17 | Sunny | 23° /12° | 0 mm | 5 | |
| May 18 |  Moderate rain | 22° /15° | 5.2 mm | 4 | |
| May 19 | Partly cloudy | 23° /14° | 0 mm | 5 | |
| May 20 | Sunny | 26° /12° | 0.1 mm | 5 | |
| May 21 | Sunny | 23° /15° | 0 mm | 5 | |
| May 22 | Sunny | 20° /8° | 0 mm | 4 | |
| May 23 | Patchy rain possible | 24° /14° | 0.3 mm | 4 | |
| May 24 | Patchy rain possible | 25° /14° | 2.7 mm | 4 | |
| May 25 | Patchy rain possible | 21° /10° | 0.3 mm | 4 | |
| May 26 | Partly cloudy | 21° /11° | 0 mm | 5 | |
| May 27 | Sunny | 20° /10° | 5.2 mm | 5 | |
| May 28 | Partly cloudy | 21° /9° | 0.2 mm | 5 | |
| May 29 |  Moderate rain at times | 22° /11° | 0.7 mm | 5 | |
| May 30 |  Heavy rain at times | 25° /14° | 4.1 mm | 6 | |
| May 31 | Moderate or heavy rain shower | 26° /15° | 7.6 mm | 6 | |
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Minnehaha County in May - FAQ
What are the expected maximum and minimum temperatures in Minnehaha County during May?
How much rainfall should be expected in Minnehaha County during May?
Will it snow in Minnehaha County in May 2026?
What are the typical wind conditions in Minnehaha County during May?
May rainfall patterns in Minnehaha County
UV exposure in Minnehaha County during May
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Where is Minnehaha County?Get accurate weather forecasts for Minnehaha County, located at latitude 43.55 and longitude -96.7. Stay updated with localized weather information tailored for Minnehaha County.