Dayton Weather in 2018

Historical record of Dayton, Ohio weather for the year 2018 based on NOAA data.

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2018 Dayton Weather Extremes
Highest temperature	93 °F	July 1
Lowest temperature	-13 °F	January 2
Highest daily low	73 °F	September 3
Lowest daily high	5 °F	January 1
Most daily precipitation	2.9 inches	April 3
Most daily snow	2.7 inches	January 12
Total annual precipitation	49.0 inches	-
Total annual snow	20.5 inches	-

What was the hottest temperature in Dayton in 2018?

The highest temperature recorded in Dayton, Ohio in 2018 was 93 °F which happened on July 1.

Highest Temperatures: All-Time By Year

Highest Temperatures in Dayton in 2018

Rank	Temperature	Date
1	93 °F	Jul 1
2	92 °F	Sep 3
2	92 °F	Jul 5
2	92 °F	Jul 4
2	92 °F	Jun 30
2	92 °F	Jun 18
2	92 °F	Jun 17
8	91 °F	Sep 5
8	91 °F	Sep 4
8	91 °F	Aug 6
8	91 °F	Aug 5
8	91 °F	Jul 10
8	91 °F	May 28

What was the coldest temperature in Dayton in 2018?

The lowest temperature recorded in Dayton, Ohio in 2018 was -13 °F which happened on Jan 2.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Dayton in 2018

Rank	Temperature	Date
1	-13 °F	January 2
2	-7 °F	January 6
2	-7 °F	January 1
4	-1 °F	January 16
4	-1 °F	January 7
4	-1 °F	January 5
7	0 °F	January 3
8	4 °F	January 14
9	5 °F	February 5
9	5 °F	January 4

January 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	5	-7	0.00	0.0
January 2	9	-13	0.00	0.0
January 3	19	0	0.00	0.2
January 4	15	5	0.00	0.2
January 5	10	-1	0.00	0.0
January 6	14	-7	0.00	0.0
January 7	33	-1	0.00	0.0
January 8	35	32	0.17	0.3
January 9	35	29	0.00	0.0
January 10	59	30	0.01	0.0
January 11	59	53	0.47	0.0
January 12	56	17	0.72	2.7
January 13	17	10	0.00	0.0
January 14	18	4	0.00	0.1
January 15	26	13	0.16	2.3
January 16	14	-1	0.00	0.0
January 17	17	6	0.00	0.0
January 18	30	9	0.00	0.0
January 19	37	20	0.00	0.0
January 20	45	30	0.00	0.0
January 21	52	39	0.01	0.0
January 22	57	45	0.69	0.0
January 23	49	30	0.06	0.0
January 24	32	26	0.01	0.1
January 25	37	21	0.00	0.0
January 26	54	32	0.00	0.0
January 27	48	35	0.37	0.0
January 28	50	25	0.00	0.0
January 29	37	24	0.01	0.3
January 30	28	19	0.01	0.1
January 31	47	25	0.00	0.0

February 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	41	14	0.00	0.0
February 2	22	11	0.00	0.0
February 3	36	15	0.00	0.0
February 4	38	16	0.12	0.5
February 5	24	5	0.00	0.1
February 6	26	20	0.04	0.3
February 7	25	20	0.21	1.5
February 8	26	6	0.00	0.0
February 9	45	24	0.00	0.0
February 10	38	26	0.02	0.0
February 11	33	27	0.10	0.0
February 12	34	17	0.00	0.0
February 13	38	17	0.00	0.0
February 14	57	33	0.13	0.0
February 15	63	54	0.63	0.0
February 16	56	29	0.35	0.0
February 17	35	28	0.09	0.2
February 18	44	30	0.00	0.0
February 19	70	36	0.13	0.0
February 20	75	61	0.00	0.0
February 21	67	37	0.61	0.0
February 22	47	35	0.48	0.0
February 23	59	43	0.44	0.0
February 24	50	43	1.84	0.0
February 25	57	37	0.21	0.0
February 26	53	30	0.00	0.0
February 27	59	35	0.00	0.0
February 28	59	49	0.22	0.0

March 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	57	36	0.71	0.0
March 2	44	30	0.00	0.0
March 3	44	26	0.00	0.0
March 4	46	23	0.00	0.0
March 5	44	25	0.00	0.0
March 6	55	33	0.00	0.0
March 7	37	24	0.00	0.0
March 8	30	23	0.15	1.6
March 9	39	19	0.00	0.0
March 10	44	21	0.00	0.0
March 11	43	22	0.00	0.0
March 12	38	20	0.01	0.3
March 13	37	23	0.03	0.5
March 14	38	24	0.00	0.1
March 15	49	28	0.00	0.0
March 16	41	20	0.00	0.0
March 17	45	30	0.22	0.0
March 18	55	22	0.00	0.0
March 19	58	31	0.00	0.0
March 20	43	29	0.08	1.2
March 21	35	27	0.08	2.1
March 22	41	21	0.00	0.0
March 23	44	26	0.00	0.0
March 24	39	28	0.00	0.0
March 25	45	23	0.00	0.0
March 26	50	32	0.00	0.0
March 27	53	46	0.44	0.0
March 28	51	45	0.27	0.0
March 29	59	41	1.36	0.0
March 30	49	36	0.21	0.0
March 31	55	33	0.00	0.0

April 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	48	31	0.15	1.7
April 2	45	25	0.00	0.2
April 3	63	41	2.88	0.0
April 4	48	31	0.00	0.0
April 5	45	24	0.00	0.0
April 6	55	27	0.05	0.4
April 7	40	25	0.00	0.0
April 8	40	21	0.00	0.0
April 9	37	29	0.07	1.0
April 10	44	27	0.00	0.0
April 11	62	30	0.00	0.0
April 12	78	53	0.00	0.0
April 13	80	62	0.00	0.0
April 14	70	45	0.27	0.0
April 15	60	42	0.99	0.0
April 16	42	31	0.03	0.1
April 17	39	29	0.00	0.0
April 18	59	27	0.02	0.0
April 19	53	34	0.01	0.0
April 20	58	28	0.00	0.0
April 21	58	36	0.00	0.0
April 22	67	42	0.00	0.0
April 23	63	46	0.23	0.0
April 24	54	52	0.07	0.0
April 25	63	45	0.01	0.0
April 26	66	37	0.00	0.0
April 27	69	42	0.00	0.0
April 28	51	38	0.00	0.0
April 29	58	30	0.00	0.0
April 30	70	36	0.00	0.0

May 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	80	51	0.00
May 2	83	61	0.00
May 3	77	65	0.01
May 4	79	55	0.08
May 5	69	51	0.00
May 6	77	52	0.08
May 7	71	49	0.00
May 8	77	43	0.00
May 9	82	55	0.02
May 10	79	60	0.13
May 11	85	53	0.00
May 12	83	60	0.00
May 13	87	55	0.00
May 14	86	64	0.00
May 15	86	65	0.00
May 16	76	60	0.02
May 17	82	57	0.00
May 18	72	61	0.33
May 19	77	66	0.12
May 20	79	61	0.00
May 21	84	60	0.73
May 22	83	62	0.01
May 23	77	59	0.00
May 24	81	55	0.00
May 25	85	57	0.00
May 26	84	69	0.54
May 27	90	67	0.00
May 28	91	68	0.00
May 29	88	67	0.00
May 30	86	71	0.96
May 31	86	69	0.03

June 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	80	67	0.19
June 2	82	66	0.00
June 3	81	63	0.00
June 4	75	57	0.00
June 5	76	56	0.10
June 6	71	50	0.00
June 7	84	55	0.09
June 8	85	63	1.05
June 9	86	65	0.06
June 10	77	65	0.03
June 11	75	66	0.11
June 12	78	66	0.00
June 13	85	59	0.00
June 14	82	55	0.00
June 15	86	62	0.00
June 16	90	67	0.00
June 17	92	71	0.00
June 18	92	73	0.00
June 19	89	71	0.19
June 20	85	70	0.29
June 21	72	67	0.50
June 22	81	68	0.01
June 23	79	65	0.01
June 24	85	64	0.00
June 25	79	63	0.00
June 26	79	65	0.32
June 27	82	67	0.11
June 28	85	65	0.00
June 29	89	65	0.00
June 30	92	70	0.00

July 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	93	72	0.15
July 2	90	73	0.00
July 3	89	69	1.19
July 4	92	71	0.20
July 5	92	73	0.00
July 6	81	59	0.00
July 7	79	55	0.00
July 8	86	55	0.00
July 9	89	67	0.00
July 10	91	70	0.01
July 11	83	65	0.00
July 12	83	59	0.00
July 13	89	63	0.00
July 14	90	66	0.00
July 15	90	72	0.00
July 16	86	71	0.28
July 17	86	67	0.00
July 18	83	58	0.00
July 19	83	63	0.00
July 20	73	64	0.87
July 21	76	64	0.04
July 22	80	64	0.00
July 23	78	62	0.00
July 24	79	63	0.00
July 25	85	64	0.00
July 26	84	62	0.03
July 27	78	60	0.00
July 28	80	57	0.00
July 29	78	61	0.04
July 30	76	64	0.01
July 31	76	66	0.50

August 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	78	65	0.00
August 2	81	64	0.00
August 3	86	65	0.00
August 4	89	69	0.00
August 5	91	69	0.00
August 6	91	71	0.00
August 7	85	67	0.60
August 8	84	68	0.06
August 9	85	64	0.00
August 10	87	69	0.46
August 11	81	66	0.32
August 12	82	62	0.04
August 13	83	62	0.00
August 14	85	62	0.00
August 15	82	68	0.14
August 16	77	68	0.18
August 17	80	70	1.28
August 18	83	67	0.00
August 19	83	62	0.00
August 20	83	64	0.52
August 21	80	69	0.64
August 22	74	60	0.00
August 23	78	53	0.00
August 24	79	57	0.00
August 25	77	68	0.09
August 26	90	72	0.00
August 27	90	73	0.00
August 28	90	73	0.00
August 29	89	70	0.00
August 30	82	65	0.00
August 31	87	62	0.00

September 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	85	69	0.36
September 2	89	69	0.00
September 3	92	73	0.00
September 4	91	71	0.07
September 5	91	72	0.00
September 6	79	69	0.57
September 7	78	65	0.63
September 8	65	59	2.70
September 9	61	56	0.98
September 10	62	56	0.02
September 11	72	60	0.00
September 12	75	62	0.00
September 13	84	62	0.00
September 14	86	62	0.00
September 15	88	69	0.00
September 16	85	67	0.00
September 17	84	67	0.06
September 18	90	64	0.00
September 19	88	67	0.00
September 20	90	69	0.00
September 21	88	64	0.02
September 22	65	53	0.00
September 23	74	51	0.00
September 24	69	58	1.05
September 25	76	68	0.15
September 26	72	53	0.11
September 27	62	50	0.00
September 28	71	47	0.00
September 29	69	48	0.00
September 30	77	52	0.00

October 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	83	59	0.00
October 2	80	68	0.04
October 3	83	64	0.00
October 4	76	57	0.02
October 5	75	52	0.05
October 6	86	69	0.00
October 7	86	65	0.00
October 8	86	68	0.00
October 9	83	68	0.00
October 10	76	66	0.02
October 11	70	44	0.00
October 12	53	37	0.11
October 13	51	38	0.00
October 14	57	44	0.05
October 15	54	37	0.08
October 16	54	33	0.00
October 17	57	36	0.00
October 18	55	29	0.00
October 19	55	34	0.11
October 20	60	35	0.00
October 21	48	31	0.00
October 22	63	35	0.00
October 23	58	37	0.00
October 24	53	31	0.00
October 25	51	31	0.00
October 26	49	42	0.38
October 27	45	41	0.08
October 28	58	37	0.06
October 29	58	38	0.00
October 30	64	35	0.00
October 31	62	51	0.53

November 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	51	44	2.86	0.0
November 2	45	39	0.07	0.0
November 3	54	34	0.00	0.0
November 4	58	42	0.11	0.0
November 5	60	50	0.20	0.0
November 6	59	45	0.13	0.0
November 7	52	32	0.00	0.0
November 8	46	30	0.00	0.0
November 9	42	30	0.14	0.3
November 10	34	21	0.00	0.0
November 11	43	20	0.00	0.0
November 12	44	31	0.00	0.0
November 13	38	26	0.00	0.0
November 14	32	21	0.01	0.0
November 15	35	30	0.89	0.0
November 16	38	31	0.00	0.0
November 17	45	37	0.00	0.0
November 18	48	38	0.00	0.0
November 19	39	36	0.50	0.0
November 20	38	32	0.00	0.0
November 21	39	29	0.00	0.0
November 22	40	28	0.00	0.0
November 23	52	28	0.03	0.0
November 24	54	45	0.47	0.0
November 25	55	39	0.03	0.0
November 26	50	29	0.25	0.5
November 27	29	23	0.00	0.2
November 28	25	21	0.00	0.0
November 29	35	24	0.00	0.0
November 30	44	35	0.00	0.0

December 2018 Dayton Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	56	39	1.11	0.0
December 2	64	43	0.00	0.0
December 3	43	34	0.02	0.0
December 4	34	31	0.00	0.1
December 5	31	27	0.04	1.0
December 6	36	26	0.04	0.3
December 7	33	19	0.00	0.0
December 8	27	19	0.00	0.0
December 9	36	20	0.00	0.0
December 10	26	17	0.00	0.0
December 11	43	18	0.00	0.0
December 12	46	28	0.00	0.0
December 13	51	31	0.00	0.0
December 14	54	43	0.00	0.0
December 15	48	41	0.66	0.0
December 16	45	33	0.01	0.0
December 17	43	29	0.00	0.0
December 18	44	25	0.00	0.0
December 19	51	27	0.00	0.0
December 20	48	41	0.83	0.0
December 21	43	35	0.11	0.0
December 22	35	31	0.00	0.0
December 23	37	30	0.00	0.0
December 24	39	28	0.00	0.0
December 25	43	27	0.00	0.0
December 26	47	23	0.00	0.0
December 27	54	36	0.27	0.0
December 28	59	33	0.07	0.0
December 29	35	33	0.00	0.0
December 30	39	27	0.00	0.0
December 31	61	36	1.47	0.0

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Weather Station Details

Years	Station	Coordinates
1948–2024	Dayton International Airport	location
1893–1947	Dayton	location