Click on a day for an hourly weather forecast
The weather in Greenville in August is hot. The average temperatures are between 21°C and 31°C.
You can expect rain for roughly half of the month of August in Greenville. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Greenville in August 2025.
If you’re planning to visit Greenville in the near future, we highly recommend that you review the 14 day weather forecast for Greenville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 10° / 1° | 5 | 24 | 2 | 93 mm | Bad | Greenville in January |
| February | 12° / 3° | 5 | 21 | 2 | 98 mm | Bad | Greenville in February |
| March | 16° / 6° | 6 | 24 | 1 | 97 mm | Good | Greenville in March |
| April | 21° / 11° | 6 | 24 | 0 | 115 mm | Good | Greenville in April |
| May | 26° / 16° | 8 | 23 | 0 | 150 mm | Good | Greenville in May |
| June | 29° / 20° | 8 | 22 | 0 | 157 mm | Ok | Greenville in June |
| July | 31° / 22° | 10 | 21 | 0 | 160 mm | Ok | Greenville in July |
| August | 31° / 21° | 10 | 21 | 0 | 163 mm | Ok | Greenville in August |
| September | 28° / 19° | 6 | 24 | 0 | 169 mm | Perfect | Greenville in September |
| October | 22° / 13° | 3 | 28 | 0 | 89 mm | Good | Greenville in October |
| November | 16° / 7° | 5 | 25 | 0 | 96 mm | Good | Greenville in November |
| December | 13° / 5° | 6 | 24 | 0 | 92 mm | Ok | Greenville in December |