Dayton weather by month

Check out Dayton weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Dayton (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
2°C maximum daytime temperature in January in Dayton2
4°C maximum daytime temperature in February in Dayton4
10°C maximum daytime temperature in March in Dayton10
17°C maximum daytime temperature in April in Dayton17
23°C maximum daytime temperature in May in Dayton23
28°C maximum daytime temperature in June in Dayton28
30°C maximum daytime temperature in July in Dayton30
29°C maximum daytime temperature in August in Dayton29
25°C maximum daytime temperature in September in Dayton25
18°C maximum daytime temperature in October in Dayton18
11°C maximum daytime temperature in November in Dayton11
4°C maximum daytime temperature in December in Dayton4
Min temperature (night-time)
-8°C minimum night-time temperature in January in Dayton-8
-6°C minimum night-time temperature in February in Dayton-6
-1°C minimum night-time temperature in March in Dayton-1
5°C minimum night-time temperature in April in Dayton5
11°C minimum night-time temperature in May in Dayton11
15°C minimum night-time temperature in June in Dayton15
18°C minimum night-time temperature in July in Dayton18
16°C minimum night-time temperature in August in Dayton16
13°C minimum night-time temperature in September in Dayton13
6°C minimum night-time temperature in October in Dayton6
1°C minimum night-time temperature in November in Dayton1
-4°C minimum night-time temperature in December in Dayton-4
Heat & Humidity
No heat & humidity in January in Dayton0
No heat & humidity in February in Dayton0
No heat & humidity in March in Dayton0
No heat & humidity in April in Dayton0
No heat & humidity in May in Dayton0
Moderate heat & humidity in June in DaytonM
Moderate heat & humidity in July in DaytonM
Moderate heat & humidity in August in DaytonM
Low heat & humidity in September in DaytonL
No heat & humidity in October in Dayton0
No heat & humidity in November in Dayton0
No heat & humidity in December in Dayton0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Dayton

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Dayton10
11 hours of daylight per day in February in Dayton11
12 hours of daylight per day in March in Dayton12
13 hours of daylight per day in April in Dayton13
14 hours of daylight per day in May in Dayton14
15 hours of daylight per day in June in Dayton15
15 hours of daylight per day in July in Dayton15
14 hours of daylight per day in August in Dayton14
12 hours of daylight per day in September in Dayton12
11 hours of daylight per day in October in Dayton11
10 hours of daylight per day in November in Dayton10
9 hours of daylight per day in December in Dayton9
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Dayton2
UV (maximum) index 3 (Moderate) in February in Dayton3
UV (maximum) index 4 (Moderate) in March in Dayton4
UV (maximum) index 6 (High) in April in Dayton6
UV (maximum) index 8 (Very High) in May in Dayton8
UV (maximum) index 9 (Very High) in June in Dayton9
UV (maximum) index 9 (Very High) in July in Dayton9
UV (maximum) index 8 (Very High) in August in Dayton8
UV (maximum) index 7 (High) in September in Dayton7
UV (maximum) index 4 (Moderate) in October in Dayton4
UV (maximum) index 2 (Low) in November in Dayton2
UV (maximum) index 2 (Low) in December in Dayton2

Rainfall in Dayton

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
12 days with some rainfall in January in Dayton12
11 days with some rainfall in February in Dayton11
13 days with some rainfall in March in Dayton13
12 days with some rainfall in April in Dayton12
12 days with some rainfall in May in Dayton12
10 days with some rainfall in June in Dayton10
10 days with some rainfall in July in Dayton10
10 days with some rainfall in August in Dayton10
8 days with some rainfall in September in Dayton8
9 days with some rainfall in October in Dayton9
11 days with some rainfall in November in Dayton11
13 days with some rainfall in December in Dayton13
Average monthly rainfall (mm)
63 mm monthly rainfall in January in Dayton63
58 mm monthly rainfall in February in Dayton58
88 mm monthly rainfall in March in Dayton88
90 mm monthly rainfall in April in Dayton90
95 mm monthly rainfall in May in Dayton95
93 mm monthly rainfall in June in Dayton93
91 mm monthly rainfall in July in Dayton91
79 mm monthly rainfall in August in Dayton79
67 mm monthly rainfall in September in Dayton67
60 mm monthly rainfall in October in Dayton60
79 mm monthly rainfall in November in Dayton79
72 mm monthly rainfall in December in Dayton72

More about Dayton

Dayton by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ohio

Zest Car Rental: up to 30% off car hire worldwide

  • Save up to 30% on car hire in Black Friday sale
  • Discount varies by country & travel period
  • Browse exclusive car hire company offers
Go to Zest Car Rental deal >>

Expires at 00:00 on Monday 1st Dec 2025 · View all Zest Car Rental offers

The climate guide for Ohio (Dayton) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Dayton?

Dayton has a cold climate with hot summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

Compare Dayton with the UK

Below the Dayton chart shows average maximum daytime temperature for Dayton, Ohio, USA and the UK (London).

Maximum daytime temperature (°C)

Dayton, Ohio, USA
UK (London)
2
7
4
7
10
10
17
13
23
17
28
20
30
22
29
22
25
19
18
15
11
10
4
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more Dayton weather >>

Back to top

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^