Click on a day for an hourly weather forecast
The temperatures in Walnut Creek in July are comfortable with low of 15°C and and high up to 29°C.
You can expect up to 3 rainy days in Walnut Creek during the month of July.
Our weather forecast can give you a great sense of what weather to expect in Walnut Creek in July 2025.
If you’re planning to visit Walnut Creek in the near future, we highly recommend that you review the 14 day weather forecast for Walnut Creek before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 15° / 7° | 5 | 26 | 0 | 102 mm | Good | Walnut Creek in January |
| February | 16° / 7° | 4 | 24 | 0 | 98 mm | Good | Walnut Creek in February |
| March | 18° / 8° | 6 | 25 | 0 | 94 mm | Good | Walnut Creek in March |
| April | 21° / 9° | 2 | 28 | 0 | 36 mm | Good | Walnut Creek in April |
| May | 23° / 11° | 1 | 30 | 0 | 18 mm | Perfect | Walnut Creek in May |
| June | 27° / 14° | 0 | 30 | 0 | 6 mm | Perfect | Walnut Creek in June |
| July | 29° / 15° | 0 | 31 | 0 | 2 mm | Good | Walnut Creek in July |
| August | 29° / 15° | 0 | 31 | 0 | 1 mm | Good | Walnut Creek in August |
| September | 29° / 16° | 0 | 30 | 0 | 4 mm | Good | Walnut Creek in September |
| October | 25° / 14° | 2 | 29 | 0 | 31 mm | Perfect | Walnut Creek in October |
| November | 19° / 10° | 3 | 27 | 0 | 55 mm | Good | Walnut Creek in November |
| December | 14° / 7° | 5 | 26 | 0 | 84 mm | Good | Walnut Creek in December |