Measurements:
°C
°F
Dayton
104°F
E 5 mph
Feels like: 112°F
Precip: 1%
World Resorts USA Dayton Weather May Weather in Dayton

Dayton Weather: May

Average Day Temperature: 69.7°F
Average Night Temperature: 55.8°F
Number of Sunny Days: 9 days
Sunshine Hours: 13.9 - 14.8 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.5 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 94°F. The lowest night temperature was 33°F. The average values for day and night temperatures during May were 72.5°F и 54.8°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Dayton is 1.5 in. It makes may the most rainy month of the year.

Wind Speed in May, mph

The average wind speed in May is 8.4 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Dayton in May is 7.3 hours.

Best Time to Visit Dayton
The most sunny months:
September 18 days
October 16 days
August 14 days
The most warm months:
July 85.1 °F
August 83.3 °F
June 81.1 °F
The most cold months:
January 31.2 °F
February 35.8 °F
December 38.7 °F
The most rainy months:
May 3 days
June 3 days
April 2 days
The most windy months:
March 11 mph
April 10 mph
January 9 mph

Dayton on the Weather Map

USA Resorts:
NAME
Boston +92
Chicago +86
Hawaii +80
Houston +80
Las Vegas +120
Los Angeles +106
Maui +76
Miami +96
Myrtle Beach +96
New York +110
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Dayton
Local time: 15:08
15 jul, wednesday
1800 102°F
SE
4 mph
2100 90°F
E
3 mph
16 jul, thursday
0000 82°F
E
4 mph
0300 76°F
SE
4 mph
0600 74°F
SE
4 mph
0900 82°F
SE
3 mph
1200 90°F
SE
4 mph
1500 94°F
SE
2 mph