Dayton - Recent Annual Temperatures, Rain & Snow





The numbers here describe what the weather in Dayton, Ohio was like for every year since 2010. A series of tables gives data by year for temperature, precipitation and snowfall.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many really hot and cold days occurred each year. Then there's information on how much rain and snow actually landed during recent years, as well as how often Dayton had wet or snowy weather.

The climate data come from weather measurements made at Dayton International Airport.

Temperature Weather iconTemperature

Dayton temperature averages by year
High °F Low °F Year High °C Low °C
62 45 2018 17 7
63 45 2017 17 7
64 45 2016 18 7
63 44 2015 17 7
61 42 2014 16 5
61 43 2013 16 6
65 45 2012 18 7
62 44 2011 17 7
62 43 2010 17 6
Number of days each year when the temperature in Dayton dropped to 0 or 32 or below, or rose to at least 70 or 90 degrees Fahrenheit
0 °F
-18 °C
32 °F
0 °C
Year 70 °F
21 °C
90 °F
32 °C
6 124 2018 162 23
4 92 2017 172 3
0 107 2016 167 19
7 98 2015 166 13
12 113 2014 156 6
0 126 2013 158 15
0 101 2012 163 37
3 107 2011 144 31
2 113 2010 172 21

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Dayton during each year from 2010. The number of days with precipitation counts the days when rainfall or snowfall (when melted) amounted to 0.01 inches (0.3 millimeters) or more.

Total precipitation in Dayton
Days Year Inches Milli­metres
148 2018 49.0 1245
138 2017 50.9 1292
129 2016 35.8 909
133 2015 41.2 1045
138 2014 36.0 914
135 2013 36.6 929
123 2012 32.6 828
152 2011 56.7 1441
127 2010 33.6 854

Snowy Weather iconSnow

Amount of snowfall in Dayton and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
9 2018 20.7 53
5 2017 13.1 33
8 2016 16.7 42
6 2015 23.7 60
16 2014 43.3 110
13 2013 39.2 100
5 2012 19.4 49
6 2011 18.9 48
12 2010 43.6 111
Reference

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

Dayton - Extremes
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