Dayton, OH: Climate and Weather (2024)

Seasonal Weather Patterns in Dayton, OH

Temperature

Average Daily Temperature (°F)

	Dayton, OH	U.S. Avg.	Difference
January	30	43	-13
July	75	79	-4

Average Monthly Number of Hot and Freezing Days

	Dayton, OH	U.S. Avg.	Difference
Summer: Hot Days	5	11	-6
Winter: Freezing Days	21	12	+9

Read more in Temperature

Sunshine

Average Annual Number of Clear and Cloudy Days

	Dayton, OH	U.S. Avg.	Difference
Clear Days	163	217	-54
Cloudy Days	202	148	+54

Average Daylight Hours per Day

	Dayton, OH	U.S. Avg.	Difference
January	9	10	-1
July	15	15	No difference

Read more in Sunshine

Precipitation

Average Annual Number of Rainy and Snow Days

	Dayton, OH	U.S. Avg.	Difference
Rainy Days	124	117	+7
Snow Days	14	7	+7

Average Monthly Humidity (%) in Dayton, OH

	Dayton, OH	U.S. Avg.	Difference
January	76	68	+8%
July	75	61	+14%

Read more in Precipitation

Is Dayton, OH, Hot or Cold?

Low, Average, and High Temperatures (°F)

	Low	Average	High
January	21	30	37
February	25	32	40
March	34	39	51
April	44	55	62
May	55	62	74
June	61	74	81
July	66	75	86
August	65	73	84
September	56	69	78
October	47	57	64
November	35	42	53
December	29	37	39

Average Monthly Number of Hot Days

	Dayton, OH	U.S. Avg.	Difference
January	0	0	No difference
February	0	0	No difference
March	0	0	No difference
April	0	1	-1
May	0	3	-3
June	4	8	-4
July	6	13	-7
August	4	12	-8
September	2	6	-4
October	0	2	-2
November	0	0	No difference
December	0	0	No difference

Average Monthly Number of Freezing Days

	Dayton, OH	U.S. Avg.	Difference
January	23	13	+10
February	20	10	+10
March	14	7	+7
April	4	2	+2
May	0	0	No difference
June	0	0	No difference
July	0	0	No difference
August	0	0	No difference
September	0	0	No difference
October	2	2	No difference
November	10	6	+4
December	21	12	+9

Dayton, OH: Clear/Cloudy Skies, and Daylight Hours

Average Number of Clear Days

	Dayton, OH	U.S. Avg.	Difference
January	11	17	-6
February	11	16	-5
March	12	17	-5
April	12	17	-5
May	12	18	-6
June	14	19	-5
July	16	20	-4
August	17	20	-3
September	17	19	-2
October	16	19	-3
November	14	18	-4
December	11	17	-6

Average Number of Cloudy Days

	Dayton, OH	U.S. Avg.	Difference
January	20	14	+6
February	17	12	+5
March	19	14	+5
April	18	13	+5
May	19	13	+6
June	16	11	+5
July	15	11	+4
August	14	11	+3
September	13	11	+2
October	15	12	+3
November	16	12	+4
December	20	14	+6

Average Daylight Hours per Day

	Dayton, OH	U.S. Avg.	Difference
January	9	10	-1
February	11	11	No difference
March	12	12	No difference
April	14	13	+1
May	15	14	+1
June	15	15	No difference
July	15	15	No difference
August	14	14	No difference
September	13	13	No difference
October	12	12	No difference
November	10	10	No difference
December	9	10	-1

Dayton, OH: Rainy Days, Snow Days, and Humidity

Average Number of Rainy Days

	Dayton, OH	U.S. Avg.	Difference
January	9	9	No difference
February	10	8	+2
March	10	9	+1
April	14	7	+7
May	14	7	+7
June	10	7	+3
July	10	7	+3
August	10	6	+4
September	10	7	+3
October	8	7	+1
November	10	8	+2
December	9	8	+1

Average Number of Snow Days

	Dayton, OH	U.S. Avg.	Difference
January	5	2	+3
February	3	2	+1
March	2	1	+1
April	1	0	+1
May	0	0	No difference
June	0	0	No difference
July	0	0	No difference
August	0	0	No difference
September	0	0	No difference
October	0	0	No difference
November	1	1	No difference
December	2	2	No difference

Average Humidity (%)

	Dayton, OH	U.S. Avg.	Difference
January	76	68	+8%
February	75	66	+9%
March	70	63	+7%
April	66	59	+7%
May	70	61	+9%
June	72	60	+12%
July	75	61	+14%
August	74	62	+12%
September	71	63	+8%
October	67	63	+4%
November	70	65	+5%
December	76	68	+8%

The assessments presented on this website, including those related to crime, safety, cost of living, and other location characteristics (e.g., states, cities, towns, villages, neighborhoods, areas, landmarks), are based on various sources and our internal research methods. These assessments are not guaranteed to be accurate or complete and should not be used as the sole basis for making any decisions.