Click on a day for an hourly weather forecast
The weather in Jacksonville in August is very hot. The average temperatures are between 25°C and 32°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of August in Jacksonville.
Jacksonville should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Jacksonville in August 2025.
If you’re planning to visit Jacksonville in the near future, we highly recommend that you review the 14 day weather forecast for Jacksonville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 17° / 11° | 5 | 26 | 0 | 71 mm | Good | Jacksonville in January |
| February | 19° / 12° | 4 | 24 | 0 | 84 mm | Good | Jacksonville in February |
| March | 22° / 14° | 5 | 26 | 0 | 83 mm | Good | Jacksonville in March |
| April | 25° / 18° | 6 | 24 | 0 | 105 mm | Perfect | Jacksonville in April |
| May | 28° / 21° | 7 | 24 | 0 | 156 mm | Good | Jacksonville in May |
| June | 31° / 24° | 12 | 18 | 0 | 223 mm | Ok | Jacksonville in June |
| July | 32° / 25° | 14 | 17 | 0 | 229 mm | Ok | Jacksonville in July |
| August | 32° / 25° | 15 | 16 | 0 | 276 mm | Ok | Jacksonville in August |
| September | 30° / 24° | 10 | 20 | 0 | 236 mm | Ok | Jacksonville in September |
| October | 27° / 21° | 5 | 26 | 0 | 125 mm | Perfect | Jacksonville in October |
| November | 22° / 16° | 4 | 26 | 0 | 82 mm | Good | Jacksonville in November |
| December | 20° / 13° | 4 | 27 | 0 | 73 mm | Good | Jacksonville in December |