May Weather in Dayton

Last updated: March 2, 2024

The weather in Dayton, United States, during May is characterized by an average temperature of 17°C (63°F). Highs can soar to 30°C (86°F), while lows may dip to 1°C (34°F). Typically, the humidity level in Dayton throughout May hovers around 78%.

1°C (34°F)

Minimum temperature

17°C (63°F)

Average temperature

30°C (86°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In May, Dayton averages 128 mm (5.0 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 14 hours 16 minutes of daylight, with the sun shining for approximately 9 hours 22 minutes each day. Additionally, there is a 42% probability of sunny days during this period.

128 mm (5.0 inches)

Precipitation

14 rainy days

Rainy days

9 hours 22 minutes

Sunshine hours

42%

Chance of sun

UV Index

In May, the UV Index in Dayton reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 10 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 6 8 10 11 10 8 6 4 2 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

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