World Resorts USA Dayton Weather

Dayton weather in May

Weather in Dayton: May

Average day temperature: 67.3°F
Average night temperature: 55.4°F
Number of sunny days: 8 days
Day length: 13.9 - 14.8 hours
Number of rainy days: 3 days
Precipitation totals: 1.5 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 86°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during May were 66.9°F and 54.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Dayton in May is 1.5 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 8.3 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.0.

Best time for vacation in Dayton

Sunniest months:
September 18 days
October 16 days
August 14 days
Warmest months:
July 81.6 °F
August 80.0 °F
June 77.5 °F
Coldest months:
January 33.7 °F
February 37.1 °F
December 40.6 °F
Rainiest months:
May 3 days
April 3 days
June 2 days
Windiest months:
March 10.5 mph
April 9.8 mph
February 9.7 mph

Dayton on a weather map

Dayton
+19°F
SW 4 mph
Feels like: +14°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Dayton
Local time: 23:52
December 05, friday
0000
19°F
SW
4 mph
0300
21°F
W
4 mph
0600
21°F
W
3 mph
0900
25°F
N
2 mph
1200
28°F
NE
4 mph
1500
34°F
NE
6 mph
1800
34°F
N
4 mph
2100
28°F
N
5 mph
Units of measurement: °C / °F