Dayton, OH weather in October
October in Dayton: mild, with some rain. Highs 66°F, lows 44°F, rain on about 9 days. A good month for most outdoor plans.
- Normal high
- 66°F
- Normal low
- 44°F
- Wet days
- 9
- 3.0 in total
- Muggy days
- 1
- dew point 65°F+
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 73°F | 59°F |
| Normal low | 49°F | 38°F |
| Chance of a wet day | 28% | 32% |
| Sunrise / sunset | 7:33 am / 7:19 pm | 8:04 am / 6:36 pm |
| Daylight | 11.8 h | 10.5 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical October day
- 6 am47°Fdew point 43°F
- 9 am52°Fdew point 46°F
- Noon61°Fdew point 45°F
- 3 pm64°Fdew point 44°F
- 6 pm59°Fdew point 44°F
- 9 pm53°Fdew point 45°F
NOAA hourly normals (local standard time) from Wright Patterson AFB (9 mi away); average wind 7 mph; clear or few clouds in 41% of daytime hours, mostly cloudy or overcast in 48%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F14 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more1 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below2 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain and snow in October
Normal precipitation is 3.0 in; a dry October brings about 1.6 in and a wet one about 4.5 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.2 in.
How October varies from year to year
- Warmest October, 1991-20202019: average high 73°F
- Coolest October2012: average high 62°F
- Wettest October2001: 5.2 in
- Driest October1994: 0.8 in
- Highest reading98°F (October 3, 2019)
- Lowest reading25°F (October 25, 2013)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 79°F | 66°F | 52°F |
| Normal low | 56°F | 44°F | 33°F |
| Wet days | 8 | 9 | 10 |
| Comfortable days | 12 | 14 | 5 |
| Daylight | 12.4 h | 11.1 h | 10.0 h |
Highs change by -13°F from September and -14°F into November.
Nearby alternatives in October
- Warmer: Bowling Green, KY227 mi · high 72°F · 9 wet days
- Cooler: Lansing, MI206 mi · high 61°F · 12 wet days
How Dayton ranks in October
- Normal high231st warmest of 378 cities; 2nd of 6 in Ohio
- Wet days258th driest of 378
- Comfortable days117th most of 340
What to pack for Dayton in October
- A rain jacket or umbrella – rain on about 9 days
Frost in October
The first fall frost typically comes around Oct 25; in 1 year in 10 it comes before Oct 13. All frost dates for Dayton.
Heating and cooling
October has 336 heating degree days and 20 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How cold is Dayton in October?
The normal high is 66°F and the normal low is 44°F. From 1991 to 2020 the coldest October reading was 25°F (October 25, 2013).
Does it rain a lot in Dayton in October?
About 9 days in October have at least 0.01 in of precipitation, and the normal total is 3.0 in. The wettest October in 1991-2020 was in 2001 (5.2 in); the driest was in 1994 (0.8 in).
Does it snow in Dayton in October?
Yes. Normal snowfall in October is 0.2 in.
Is October a good time to visit Dayton?
October ranks 3rd of 12 months on our comfort score for Dayton (64 out of 100). It has about 14 comfortable days. The best months are April, May and October.
Where the numbers come from
- Temperature, rain and frost dates: Dayton Mcd (USC00332067), 0.3 mi N of the city center, 720 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Dayton Intl Airport (USW00093815), 10 mi N of the city center, 1,000 ft (260 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Wright Patterson AFB (USW00013840), 9.1 mi NE of the city center, 823 ft (83 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: J.m.cox Dayton International Airport (724290-93815), 10 mi N of the city center, 993 ft (253 ft higher than the city). Hourly observations, 1991-2020.