Click on a day for an hourly weather forecast
The weather in Joplin in August is hot. The average temperatures are between 20°C and 31°C.
You can expect rain for roughly half of the month of August in Joplin. 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 Joplin in August 2025.
If you’re planning to visit Joplin in the near future, we highly recommend that you review the 14 day weather forecast for Joplin before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / -3° | 5 | 21 | 5 | 74 mm | Awful | Joplin in January |
| February | 7° / -1° | 5 | 18 | 6 | 80 mm | Bad | Joplin in February |
| March | 14° / 5° | 7 | 22 | 2 | 142 mm | Bad | Joplin in March |
| April | 19° / 9° | 8 | 22 | 1 | 171 mm | Ok | Joplin in April |
| May | 24° / 14° | 11 | 20 | 0 | 216 mm | Good | Joplin in May |
| June | 30° / 20° | 9 | 21 | 0 | 153 mm | Ok | Joplin in June |
| July | 32° / 21° | 8 | 23 | 0 | 157 mm | Ok | Joplin in July |
| August | 31° / 20° | 8 | 23 | 0 | 152 mm | Ok | Joplin in August |
| September | 28° / 17° | 6 | 24 | 0 | 139 mm | Perfect | Joplin in September |
| October | 20° / 10° | 6 | 25 | 0 | 136 mm | Good | Joplin in October |
| November | 13° / 4° | 4 | 25 | 1 | 83 mm | Ok | Joplin in November |
| December | 8° / 0° | 4 | 24 | 3 | 83 mm | Bad | Joplin in December |