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Dayton, OH Weather on August 25

August 25th in Dayton, OH typically brings warm summer weather, with average highs around 85°F and lows near 64°F. Over 55 years of records, the warmest August 25th was in 2007 (86°F average), while the coldest was 1977 (63°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 20% of August 25th dates historically, with the wettest August 25th recording 2.75" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
85°F
Avg Low
64°F
Record High
98°F
2007
Record Low
53°F
2015
Dayton, OH on August 25 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on August 25

Planning for August 25th in Dayton, OH? Stay hydrated and seek shade during peak afternoon hours.

August 25 Weather Records for Dayton

  • The all-time record high for August 25th in Dayton, OH is 98°F, set in 2007.
  • The coldest August 25th on record dropped to 53°F in 2015.
  • Temperatures have reached 90°F or higher on August 25th in 16 of the last 55 years.

Frequently Asked Questions

What was the warmest August 25 ever in Dayton?

The warmest August 25 in Dayton, OH reached 98°F in 2007. That is 13°F above the long-term average high of 85°F.

What was the coldest August 25 ever in Dayton?

The coldest August 25 in Dayton, OH dropped to 53°F in 2015. That is 11°F below the long-term average low of 64°F.

What is the average temperature on August 25 in Dayton?

On August 25, Dayton averages a high of 85°F and a low of 64°F based on 55 years of NOAA weather observations from DAYTON MCD.

How many years of weather data are available for August 25 in Dayton?

We have 55 years of weather records for August 25 in Dayton, OH, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

August 25 Weather History in Dayton

YearHighLowPrecipSnow
202573°F55°F0"--
202493°F64°F0"--
202389°F74°F0"--
202285°F62°F0"--
202192°F75°F0.01"--
202095°F71°F0"--
201982°F61°F0"--
201881°F65°F0"--
201779°F57°F0"--
201685°F69°F0.05"--
201577°F53°F0"--
201490°F71°F0"--
201386°F60°F0"--
201295°F68°F0"--
201195°F69°F0.89"--
201080°F64°F0"--
200980°F59°F0"--
200894°F67°F0.41"--
200798°F73°F0"--
200689°F67°F0"--
200582°F59°F0"--
200485°F68°F0.07"--
200382°F60°F0"--
200290°F70°F0"--
200183°F68°F0"--
200088°F63°F0"--
199974°F67°F0.97"--
199895°F71°F0.28"--
199774°F60°F0.08"--
199685°F60°F0"--
199591°F63°F0"--
199488°F64°F0"--
199395°F74°F0"--
199286°F69°F0"--
199192°F66°F0"--
199082°F63°F0"--
198973°F61°F0"--
198885°F62°F0"--
198777°F54°F0"--
198680°F56°F0"--
198573°F65°F1.02"--
198478°F54°F0"--
198393°F67°F0"--
198283°F65°F2.75"--
198186°F64°F0"--
198085°F63°F0"--
197980°F59°F0"--
197891°F74°F0"--
197773°F54°F0"--
197689°F66°F0"--
197592°F74°F0"--
197484°F62°F0"--
197374°F63°F0"--
197286°F70°F0.11"--
197182°F55°F0"--

Based on 55 years of data from NOAA station: DAYTON MCD

Monthly Climate Averages

Historical temperature and precipitation averages for Dayton, OH, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 86°F / Low: 66°F
Coldest MonthJanuaryAvg High: 36°F / Low: 21°F
Jan
36°/ 21°
💧 0.2"
❄️ 1.1"
Feb
40°/ 24°
💧 0.2"
❄️ 1.1"
Mar
51°/ 32°
💧 0.3"
❄️ 1.2"
Apr
64°/ 42°
💧 0.3"
❄️ 0.6"
May
74°/ 53°
💧 0.3"
Jun
82°/ 62°
💧 0.4"
Jul
86°/ 66°
💧 0.4"
Aug
84°/ 64°
💧 0.3"
Sep
78°/ 57°
💧 0.3"
Oct
65°/ 45°
💧 0.3"
❄️ 1.2"
Nov
52°/ 35°
💧 0.3"
❄️ 0.8"
Dec
41°/ 26°
💧 0.3"
❄️ 1.0"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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