Click on a day for an hourly weather forecast
The temperatures in Gilbert during August are extremely high, between 30°C and hot as 40°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Gilbert during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Gilbert in August 2025.
If you’re planning to visit Gilbert in the near future, we highly recommend that you review the 14 day weather forecast for Gilbert before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 19° / 9° | 2 | 29 | 0 | 40 mm | Good | Gilbert in January |
| February | 21° / 11° | 2 | 26 | 0 | 36 mm | Good | Gilbert in February |
| March | 25° / 14° | 1 | 30 | 0 | 27 mm | Perfect | Gilbert in March |
| April | 29° / 17° | 1 | 29 | 0 | 9 mm | Good | Gilbert in April |
| May | 34° / 21° | 0 | 31 | 0 | 5 mm | Ok | Gilbert in May |
| June | 40° / 26° | 0 | 30 | 0 | 5 mm | Bad | Gilbert in June |
| July | 40° / 29° | 4 | 27 | 0 | 65 mm | Bad | Gilbert in July |
| August | 40° / 30° | 3 | 28 | 0 | 56 mm | Bad | Gilbert in August |
| September | 37° / 27° | 2 | 28 | 0 | 54 mm | Ok | Gilbert in September |
| October | 31° / 21° | 2 | 29 | 0 | 31 mm | Good | Gilbert in October |
| November | 25° / 15° | 1 | 29 | 0 | 26 mm | Perfect | Gilbert in November |
| December | 18° / 10° | 2 | 29 | 0 | 44 mm | Good | Gilbert in December |