Cleveland, OH weather in August
Expect warm, often humid weather with frequent rain in Cleveland in August, with highs near 82°F and lows near 64°F. Rain falls on about 10 days. It is one of the warmest months in Cleveland. Good for outdoor plans.
- Normal high
- 82°F
- Normal low
- 64°F
- Wet days
- 10
- 3.6 in total
- Muggy days
- 10
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 83°F | 80°F |
| Normal low | 65°F | 62°F |
| Chance of a wet day | 35% | 33% |
| Sunrise / sunset | 6:21 am / 8:44 pm | 6:52 am / 8:02 pm |
| Daylight | 14.4 h | 13.2 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 August day
- 6 am69°Fdew point 61°F
- 9 am74°Fdew point 62°F
- Noon77°Fdew point 64°F
- 3 pm78°Fdew point 64°F
- 6 pm76°Fdew point 63°F
- 9 pm74°Fdew point 62°F
NOAA hourly normals (local standard time) from Cleveland Burke Airport (1 mi away); average wind 9 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F9 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph13 of 31
- Hot dayshigh 90°F or more3 of 31
- Muggy daysdaily mean dew point 65°F or more10 of 31
- Wet daysat least 0.01 in of rain or melted snow10 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 3.6 in; a dry August brings about 2.1 in and a wet one about 4.7 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202016: average high 87°F
- Coolest August1997: average high 76°F
- Wettest August2007: 9.0 in
- Driest August1996: 0.8 in
- Highest reading95°F (August 3, 2012)
- Lowest reading45°F (August 6, 1997)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 84°F | 82°F | 76°F |
| Normal low | 65°F | 64°F | 57°F |
| Wet days | 11 | 10 | 10 |
| Comfortable days | 7 | 9 | 15 |
| Daylight | 14.8 h | 13.8 h | 12.5 h |
Highs change by -2°F from July and -6°F into September.
How Cleveland ranks in August
- Normal high275th warmest of 378 cities; 6th of 6 in Ohio
- Wet days281st driest of 378
- Comfortable days84th most of 341
What to pack for Cleveland in August
- A rain jacket or umbrella – rain on about 10 days
- A swimsuit – about 13 beach days
Heating and cooling
August has 4 heating degree days and 251 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Cleveland in August?
The normal high is 82°F and the normal low is 64°F. From 1991 to 2020 the hottest August reading was 95°F (most recently on August 3, 2012).
Does it rain a lot in Cleveland in August?
About 10 days in August have at least 0.01 in of precipitation, and the normal total is 3.6 in. The wettest August in 1991-2020 was in 2007 (9.0 in); the driest was in 1996 (0.8 in).
Is August a good time to visit Cleveland?
August ranks 4th of 12 months on our comfort score for Cleveland (61 out of 100). It has about 9 comfortable days and about 3 days at 90°F or hotter. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Cleveland (USW00014820), 10 mi SW of the city center, 763 ft (109 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates and humidity and wind by hour: Cleveland Burke Airport (USW00004853), 1.4 mi NNE of the city center, 584 ft (70 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Cleveland-Hopkins International Airport (725240-14820), 10 mi SW of the city center, 777 ft (123 ft higher than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).