Dayton Weather in May

What's the weather like in Dayton (Tennessee) in May 2025?

The climate in Dayton during May can be summarized as warm and damp.

May is in the spring in Dayton and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 12°C (53°F) is normal.

Dayton weather averages (imperial / metric)
Daytime temperature 25.1°C 77.2°F
Nightly temperature 11.9°C 53.4°F
Average temperature 18.5°C 65.3°F
Daily sunshine 9.4 hrs
Avg rainfall 119 mm 4.7 ins
Rainy days 11 days
Sea temperature 17°C 62.6°F
Humidity 71%
Windspeed 11.5kph 7 mph

On average May is the 6th wettest month of the year in Dayton with around 119mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.4 hours of sunshine per day.

May temperatures in Dayton

Dayton average temperature in May

May rainfall

Dayton average rain in May

May hourly sunshine

Dayton average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Dayton in May 2025.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Dayton weather stats

Dayton weather statistics
Hottest month: July 30.3°C 86.5°F
Driest month: October 83mm 3.3ins
Sunniest month: June 9.8hrs
Coldest month: January 7.4°C 45.3°F
Wettest month: March 153mm 6ins
Map showing location of Dayton (35.49396, -85.01245) Dayton map pin © Google

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