Measurements:
°C
°F
Dayton
70°F
NE 6 mph
Feels like: 70°F
Precip: 6%
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 80.5 °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 2 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
Chicago +66
Hawaii +80
Honolulu +80
Houston +82
Las Vegas +96
Los Angeles +66
Maui +74
Miami +80
Miami Beach +88
Myrtle Beach +78
New York +70
San Diego +68
San Francisco +58
Sarasota +84
Tampa +84
24 Hours Weather Forecast
Dayton
Local time: 00:09
25 jun, thursday
0300 66°F
NE
6 mph
0600 66°F
NE
6 mph
0900 74°F
NE
9 mph
1200 80°F
NE
12 mph
1500 80°F
NE
13 mph
1800 76°F
E
7 mph
2100 70°F
E
4 mph
26 jun, friday
0000 68°F
E
3 mph