Dayton Weather in May

What's the weather like in Dayton (Washington) in May 2024?

The climate in Dayton during May can be summarized as mild and reasonably dry.

May is in the spring in Dayton and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 5°C (40°F) is normal.

Dayton weather averages (imperial / metric)
Daytime temperature 18.3°C 64.9°F
Nightly temperature 4.6°C 40.2°F
Average temperature 11.4°C 52.5°F
Daily sunshine 9.8 hrs
Avg rainfall 41 mm 1.6 ins
Rainy days 9 days
Sea temperature 9.4°C 48.9°F
Humidity 54%
Windspeed 15.5kph 10 mph

On average May is the 5th driest month of the year in Dayton with around 41mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.8 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 2024.