Click on a day for an hourly weather forecast
The temperatures in Surprise during August are extremely high, between 30°C and hot as 39°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Surprise 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 Surprise in August 2025.
If you’re planning to visit Surprise in the near future, we highly recommend that you review the 14 day weather forecast for Surprise before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 19° / 9° | 1 | 30 | 0 | 37 mm | Good | Surprise in January |
| February | 20° / 11° | 2 | 26 | 0 | 30 mm | Good | Surprise in February |
| March | 24° / 14° | 1 | 30 | 0 | 24 mm | Perfect | Surprise in March |
| April | 28° / 17° | 1 | 29 | 0 | 9 mm | Perfect | Surprise in April |
| May | 33° / 21° | 0 | 31 | 0 | 6 mm | Good | Surprise in May |
| June | 38° / 26° | 0 | 30 | 0 | 6 mm | Bad | Surprise in June |
| July | 39° / 30° | 4 | 27 | 0 | 63 mm | Bad | Surprise in July |
| August | 39° / 30° | 3 | 28 | 0 | 66 mm | Bad | Surprise in August |
| September | 36° / 28° | 2 | 28 | 0 | 53 mm | Ok | Surprise in September |
| October | 31° / 21° | 2 | 29 | 0 | 38 mm | Good | Surprise in October |
| November | 24° / 15° | 1 | 29 | 0 | 22 mm | Perfect | Surprise in November |
| December | 18° / 9° | 2 | 29 | 0 | 34 mm | Good | Surprise in December |