Click on a day for an hourly weather forecast
The weather in Yosemite in August is very hot. The average temperatures are between 24°C and 30°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of August in Yosemite. 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 Yosemite in August 2025.
If you’re planning to visit Yosemite in the near future, we highly recommend that you review the 14 day weather forecast for Yosemite before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -3° | 2 | 25 | 4 | 5 mm | Awful | Yosemite in January |
| February | 6° / -1° | 1 | 24 | 3 | 12 mm | Awful | Yosemite in February |
| March | 12° / 4° | 2 | 29 | 1 | 13 mm | Ok | Yosemite in March |
| April | 19° / 10° | 3 | 27 | 0 | 31 mm | Good | Yosemite in April |
| May | 26° / 16° | 3 | 28 | 0 | 52 mm | Perfect | Yosemite in May |
| June | 30° / 21° | 5 | 25 | 0 | 89 mm | Good | Yosemite in June |
| July | 31° / 24° | 8 | 23 | 0 | 191 mm | Ok | Yosemite in July |
| August | 30° / 24° | 8 | 23 | 0 | 186 mm | Ok | Yosemite in August |
| September | 26° / 19° | 3 | 27 | 0 | 46 mm | Perfect | Yosemite in September |
| October | 20° / 14° | 2 | 29 | 0 | 18 mm | Good | Yosemite in October |
| November | 12° / 6° | 3 | 26 | 1 | 36 mm | Ok | Yosemite in November |
| December | 5° / -1° | 2 | 26 | 3 | 10 mm | Awful | Yosemite in December |