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Best Time for Olympic Peninsula: Seattle Road Loop
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Sweet spot: May, June, July. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- Hurricane Ridge can close without notice and has limited services during 2026 construction. Hoh parking waits can reach two hours in summer. Mora Road and Rialto Beach are closed beyond the campground from 8 July to 15 October 2026, so the baseline uses another confirmed-open public coast stop such as Ruby Beach rather than promising Rialto.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | 1.4°C | 6.2°C | 247 mm | 8.6 h | ❄ |
| February | 0.8°C | 6.8°C | 140 mm | 9.9 h | ❄ |
| March | 2.1°C | 8.8°C | 192 mm | 11.6 h | |
| April | 3.8°C | 11.6°C | 121 mm | 13.4 h | |
| May | 6.9°C | 15.8°C | 77 mm | 14.9 h | |
| June | 9.3°C | 18.2°C | 56 mm | 15.8 h | |
| July | 11.6°C | 21.6°C | 26 mm | 15.4 h | |
| August | 11.8°C | 21.8°C | 38 mm | 14.1 h | |
| September | 9.6°C | 18.8°C | 75 mm | 12.3 h | |
| October | 6.1°C | 13.5°C | 171 mm | 10.6 h | |
| November | 3.1°C | 8.6°C | 256 mm | 9.0 h | |
| December | 1.0°C | 5.6°C | 239 mm | 8.2 h | ❄ |