May Weather in Dayton

Last updated: March 2, 2024

The weather in Dayton, United States, during May is characterized by an average temperature of 10°C (50°F). Highs can soar to 26°C (78°F), while lows may dip to -3°C (27°F). Typically, the humidity level in Dayton throughout May hovers around 75%.

-3°C (27°F)

Minimum temperature

10°C (50°F)

Average temperature

26°C (78°F)

Maximum temperature

75%

Humidity

Precipitation and Sunshine hours

In May, Dayton averages 109 mm (4.3 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 14 hours 51 minutes of daylight, with the sun shining for approximately 9 hours 58 minutes each day. Additionally, there is a 45% probability of sunny days during this period.

109 mm (4.3 inches)

Precipitation

19 rainy days

Rainy days

9 hours 58 minutes

Sunshine hours

45%

Chance of sun

UV Index

In May, the UV Index in Dayton reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 3 5 7 9 9 9 7 5 3 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Dayton's Climate with Cities Worldwide