When to go · Dayton
Dayton in May
Great month. Inside Dayton's best window: May–Sep (warm, dry); Dec–Feb for skiing.
Key facts
- Verdict
- Great
- Temperature
- 23°C (73°F)73°F (23°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 8
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Dayton's best window: May–Sep (warm, dry); Dec–Feb for skiing.
Is another month better than May?
No other month rates higher than May for Dayton in this guide.
Weather in May
- DaytonHighs around 23 °C (73 °F), lows around 9 °C (48 °F), rain on about 8 daysHighs around 73 °F (23 °C), lows around 48 °F (9 °C), rain on about 8 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Memorial Day big impact
Last Monday of May · United States
Start of summer; roads and beaches full.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
Compare two months
Weather, crowds and prices for any two months in Dayton, side by side.
Verdict
May: Great
Jan: Great
Daytime high
May: 23 °C (73 °F)73 °F (23 °C)
Jan: 5 °C (41 °F)41 °F (5 °C)
Night low
May: 9 °C (48 °F)48 °F (9 °C)
Jan: -2 °C (28 °F)28 °F (-2 °C)
Rain days
May: 8 (better)
Jan: 12
Crowds
May: Medium
Jan: Low
Prices
May: Medium
Jan: Low
Festivals listed
May: 1
Jan: 0
May: Inside Dayton's best window: May–Sep (warm, dry); Dec–Feb for skiing.
January: Inside Dayton's best window: May–Sep (warm, dry); Dec–Feb for skiing.
Dayton: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings