Dayton (OH)
May
Weather in Dayton, Ohio for May 2027
Your guide to Dayton weather in May - trends and predictions
In general, the average temperature in Dayton at the beginning of May is 18 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.3 °C by the end of May.
Dayton in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 246.1 mm.
Is May a good time to visit Dayton? check out the best time to travel to Dayton page.
✨ Is May a good time to visit Dayton? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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15
Dry days
16
Rainy days
0
Snow days
20°/12°
Temperatures
19 km/h
Avg max wind
78 %
Avg humidity
Dayton Weather May
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Temperatures trend during May in Dayton
See the weather trend as well as the moving average line
May weather in Dayton day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Patchy rain possible | 20° /11° | 1.2 mm | 5 | |
| May 2 | Light rain shower | 19° /10° | 0.4 mm | 7 | |
| May 3 |  Heavy rain | 16° /9° | 42.8 mm | 6 | |
| May 4 | Patchy rain possible | 20° /10° | 1.2 mm | 4 | |
| May 5 |  Moderate rain | 16° /10° | 23.8 mm | 3 | |
| May 6 | Moderate rain | 16° /10° | 11.6 mm | 4 | |
| May 7 |  Light rain | 19° /10° | 3.7 mm | 7 | |
| May 8 | Patchy rain possible | 20° /11° | 2.2 mm | 5 | |
| May 9 | Moderate rain | 19° /9° | 10.6 mm | 5 | |
| May 10 | Light drizzle | 18° /8° | 0.7 mm | 5 | |
| May 11 | Patchy light rain | 19° /8° | 0.8 mm | 6 | |
| May 12 |  Partly cloudy | 19° /8° | 0 mm | 6 | |
| May 13 | Light rain | 20° /12° | 3.2 mm | 4 | |
| May 14 | Light rain | 19° /12° | 3.4 mm | 6 | |
| May 15 | Light rain | 22° /12° | 2.1 mm | 7 | |
| May 16 | Light rain | 24° /14° | 6.1 mm | 6 | |
| May 17 | Light rain | 24° /15° | 6.6 mm | 6 | |
| May 18 | Patchy rain possible | 21° /15° | 1.3 mm | 6 | |
| May 19 | Light rain | 23° /16° | 2.7 mm | 6 | |
| May 20 | Heavy rain | 20° /13° | 38.3 mm | 4 | |
| May 21 | Moderate rain | 23° /16° | 24.3 mm | 5 | |
| May 22 |  Moderate or heavy rain shower | 18° /13° | 9.6 mm | 4 | |
| May 23 |  Moderate or heavy rain with thunder | 19° /11° | 17.1 mm | 4 | |
| May 24 |  Thundery outbreaks possible | 22° /13° | 1 mm | 4 | |
| May 25 | Patchy rain possible | 23° /14° | 1.4 mm | 6 | |
| May 26 |  Patchy light rain with thunder | 23° /12° | 9.1 mm | 7 | |
| May 27 | Moderate rain | 19° /15° | 16.3 mm | 4 | |
| May 28 | Patchy rain possible | 20° /12° | 0.2 mm | 6 | |
| May 29 | Patchy rain possible | 20° /11° | 0.3 mm | 6 | |
| May 30 | Light rain | 21° /11° | 3 mm | 6 | |
| May 31 | Patchy rain possible | 23° /10° | 1.3 mm | 7 | |
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Important Notice
Our weather forecast for Dayton 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 Dayton forecast closer to your planned date for the most up-to-date weather information.
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Dayton in May - FAQ
What are the expected maximum and minimum temperatures in Dayton during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Dayton during May?
Significant rainfall exceeding 246.1 mm is expected in Dayton during May, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Dayton during May?
The average wind speed in Dayton during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Dayton
Explore the daily rainfall trends and prepare for Daytons May weather 💧
Typically, Dayton has 16 rainy days in May with a total of 246.1 mm of rainfall.
UV exposure in Dayton during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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