Pennington County (Rapid City)
May
Weather in Pennington County, South Dakota for May 2027
Your guide to Pennington County weather in May - trends and predictions
Pennington County experiences moderate rainfall in May, with an average of 10 rainy days and a total precipitation of 94.8 mm.
Is May a good time to visit Pennington County? check out the best time to travel to Pennington County page.
✨ Is May a good time to visit Pennington County? – Ask the AI Weatherman
Rain 🌧️
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21
Dry days
10
Rainy days
0
Snow days
20°/8°
Temperatures
26 km/h
Avg max wind
54 %
Avg humidity
Pennington County Weather May
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Temperatures trend during May in Pennington County
See the weather trend as well as the moving average line
May weather in Pennington County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Patchy rain possible | 15° /3° | 0.2 mm | 6 | |
| May 2 |  Sunny | 20° /4° | 0 mm | 7 | |
| May 3 | Sunny | 21° /7° | 0.6 mm | 7 | |
| May 4 | Sunny | 20° /9° | 0.1 mm | 8 | |
| May 5 |  Light rain | 16° /6° | 3.7 mm | 6 | |
| May 6 | Patchy rain possible | 14° /3° | 0.1 mm | 7 | |
| May 7 |  Overcast | 18° /5° | 0.6 mm | 7 | |
| May 8 | Overcast | 22° /8° | 0 mm | 7 | |
| May 9 |  Cloudy | 20° /11° | 0 mm | 7 | |
| May 10 | Sunny | 25° /9° | 0 mm | 9 | |
| May 11 | Sunny | 32° /13° | 0.1 mm | 9 | |
| May 12 | Sunny | 28° /15° | 0.1 mm | 9 | |
| May 13 | Cloudy | 28° /14° | 0.1 mm | 8 | |
| May 14 |  Heavy rain at times | 23° /12° | 6.1 mm | 7 | |
| May 15 | Patchy rain possible | 22° /9° | 0.1 mm | 7 | |
| May 16 | Light rain | 20° /8° | 4 mm | 7 | |
| May 17 | Sunny | 18° /6° | 0.6 mm | 7 | |
| May 18 |  Moderate or heavy rain shower | 10° /5° | 7.7 mm | 3 | |
| May 19 |  Moderate rain | 11° /1° | 13.1 mm | 6 | |
| May 20 | Patchy rain possible | 16° /3° | 2 mm | 7 | |
| May 21 | Patchy rain possible | 17° /4° | 0.1 mm | 4 | |
| May 22 | Light rain | 18° /6° | 7.7 mm | 7 | |
| May 23 | Patchy rain possible | 18° /8° | 2.3 mm | 8 | |
| May 24 | Patchy rain possible | 19° /9° | 1.8 mm | 7 | |
| May 25 | Moderate rain | 20° /11° | 17.7 mm | 7 | |
| May 26 | Moderate rain at times | 20° /11° | 7.7 mm | 7 | |
| May 27 |  Thundery outbreaks possible | 22° /12° | 0.5 mm | 7 | |
| May 28 | Thundery outbreaks possible | 22° /13° | 0.1 mm | 8 | |
| May 29 | Patchy rain possible | 26° /12° | 2.1 mm | 9 | |
| May 30 | Light rain | 28° /14° | 8.8 mm | 9 | |
| May 31 | Light rain | 25° /13° | 7.2 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for Pennington County 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 Pennington County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Pennington County in May - FAQ
What are the expected maximum and minimum temperatures in Pennington County during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Pennington County during May?
Moderate rainfall is anticipated in Pennington County during May, with a total of 94.8 mm spread over approximately 10 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Pennington County during May?
The average wind speed in Pennington County during May is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Pennington County
Explore the daily rainfall trends and prepare for Pennington Countys May weather 💧
Typically, Pennington County has 10 rainy days in May with a total of 94.8 mm of rainfall.
UV exposure in Pennington County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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