inland destination · city of 36,081 · warmest in Aug · mid-range
Open Issaquah on the live value map →| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 4 | 6 | 8 | 10 | 13 | 16 | 18 | 19 | 16 | 11 | 7 | 4 |
| High °C | 8 | 10 | 12 | 15 | 19 | 21 | 24 | 25 | 22 | 16 | 11 | 7 |
| Low °C | 1 | 2 | 3 | 5 | 8 | 10 | 12 | 12 | 10 | 6 | 4 | 1 |
| Rain (days) | 168 | 130 | 127 | 101 | 73 | 59 | 35 | 38 | 61 | 107 | 186 | 186 |
Warmest month: Aug. Driest: Jul.