Olympic National Park weather in July

July in Olympic National Park: nice, dry, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Olympic National Park🇺🇸 United States · Pacific Northwest · National park94
  1. 39Jan
  2. 47Feb
  3. 54Mar
  4. 66Apr
  5. 80May
  6. 85Jun
  7. 94Jul
  8. 96Aug
  9. 78Sep
  10. 58Oct
  11. 44Nov
  12. 35Dec

#2 of 12 months in Olympic National Park · #71 of 1413 destinations to visit in July · comfort 94/100 (tier S)

Days
18°C
Nights
8°C
Wet days
3
Sun
13 h
Humidity
68%
Daylight
16 h
Olympic National Park, United States
Photo: Ambient Vista · Pexels

Traveller notes on Olympic National Park in July

July and August give Olympic its best odds of dry weather and its longest days, and July is the one the forum recommends if you want the averages on your side. Two crowd facts define the month. The Hoh Rainforest is one of the park's two busiest destinations in July and is packed by about 10am - a visitor who arrived at 6:30am had the car park to themselves and came back to it full. And Hurricane Ridge draws locals as well as visitors, so the queue at the entrance station can be long. The ridge has its own weather: sometimes warmer and brighter than Port Angeles below, sometimes foggy, windy and in the low 50s F. The record: 17.9C days, 8.2C nights, 2.5 precipitation days, 13 hours of sun and AQI 28.
HohBySixThirty · July · 1 month ago · Read more on Tripadvisor ↗

Other months in Olympic National Park

Olympic-forum threads on a January visit describe Hurricane Ridge and the Sol Duc resort as genuinely closed, posters naming this a real limitation for anyone hoping to visit either spot. Regulars call the park's variety genuinely on display even in winter, several posters naming snow in the mountains, rain in the lowlands and wind along the coast within the same trip. Posters call January genuinely a better choice than November or December, several regulars naming lengthening days and more sun breaks past the eighteenth as reasons late January edges out earlier winter. Regulars call the rain shadow area a real bet for better odds of sun, several threads naming this a genuine strategy for chasing clearer weather. Posters recommend real waterproof layers regardless of which part of the park you visit, several regulars calling this standard given how much conditions vary. The record: 2.9C days, -2.6C nights, an extraordinarily high 527mm across nearly 20 days and 89 percent humidity.
OlympicJanuaryRegular · January · 1 month ago · Read more on Tripadvisor ↗
Olympic National Park-forum threads on a March visit call this genuinely one of the roughest windows of the year, posters describing the month as more an extension of winter than a real spring visit most years. Regulars call the Hoh and Quinault rainforests along with La Push and Kalaloch beaches the strongest March picks, these lower-elevation areas free of snow and road closures barring a severe storm. Posters call gaining elevation a real problem this month, snow appearing fast once a route climbs beyond the river valleys. Regulars recommend staying close to planned destinations rather than basing far away, March daylight here still limited enough that long drives eat into usable time. Posters call multi-day windstorms a genuine March hazard, conditions capable of disrupting plans for several days running. The record: 3.6C days feeling like 1C, -3.6C nights, an extraordinarily high 311.4mm across nearly 19 days and 82 percent humidity.
OlympicMarchRegular · March · 1 month ago · Read more on Tripadvisor ↗
Olympic-forum threads on a November visit describe this as genuinely one of the wettest stretches of the year, posters calling frequent rain and short days the standard rather than the exception. Regulars call wind, not snow, the real concern here, dangerous storms capable of closing the Hoh Rainforest ahead of a forecast system. Posters describe fog and overcast skies as common companions to the rain, though real breaks do occur and a light shower with a good raincoat can still be enjoyable. Regulars call conditions impossible to predict this far out, some November days turning out great and others a real washout. Posters recommend real waterproof gear and boots regardless of forecast, temperatures generally in the low fifties Fahrenheit. Regulars call the rainforest genuinely atmospheric this time of year, mist and dripping canopy part of the appeal. The record: 4.5C days feeling like 1C, -1.2C nights, an extraordinarily high 550.4mm across over 21 days and 88 percent humidity.
OlympicNPNovemberRegular · November · 1 month ago · Read more on Tripadvisor ↗
Olympic-forum threads on September weather are consistent this is genuinely one of the park's strongest months, noticeably drier than the notoriously wet stretch running much of the rest of the year, especially once after-Labor-Day crowds thin out. Posters call days here often sunnier than August, clear enough after dark for genuinely good stargazing given how little light pollution reaches this corner of the peninsula. Regulars describe elk as more visible this time of year, sightings along Hoh Rain Forest trails a real highlight. Posters call Lake Crescent and Lake Angeles both at their warmest for swimming by September. Regulars are direct this reputation comes with a real caveat, a run of grey, damp days entirely possible even during an otherwise favorable September. Posters recommend a hat and sun protection regardless of the changeable reputation. The record: 13.6C days feeling like 12C, 5.6C nights, an extraordinarily high 148mm across nearly 11 days and 75 percent humidity.
OlympicSeptemberRegular · September · 1 month ago · Read more on Tripadvisor ↗

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Olympic National Park climate normals — July

Daytime high18°C / 64°F😎 nice
Nighttime low8°C / 47°F
Feels like (high)17°C / 63°F
Rainfall26 mm / 1 in☀️ dry
Rainy days3 days
Humidity68%💧 humid
Dew point6°C / 43°F
Sunshine13 h/day
Daylight15.5 h
Wind8 km/h / 5 mph
Air quality (US AQI)28🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Olympic National Park in July

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsThe dry window, Summer break in United States, school holidays in 2 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Olympic National Park's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherOlympic National Park's weather peaks June–August.

July includes Subalpine wildflowers.

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Best weatherFair weatherToughest weather

What's on in Olympic National Park in July

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Subalpine wildflowers

    20 Jun – 10 Aug · usuallyWildflowers & blooms

    The Hurricane Ridge meadows bloom in the few weeks after the snow leaves, usually late June into July. The date moves by a fortnight either way depending on what the winter left behind.

  • Opening

    High country opens

    1 Jul – 10 Oct · usuallyTrail season

    Obstruction Point Road, Deer Park and the high traverses only clear in July, weeks after the rainforest has greened up. Before then the ridge is a snowshoe, not a walk. Source ↗

  • Season

    The dry window

    5 Jul – 15 SepDry seasonCrowded

    The wettest corner of the lower 48 takes about ten weeks off in high summer. It is the only stretch when the coast, the rainforest and the ridge all work on one trip, and everyone knows it.

What's on around the world in July →

Nearby, and something's on

Within 300 km of Olympic National Park — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Olympic National Park?

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Olympic National Park in July — FAQ

Is July a good time to visit Olympic National Park?
July in Olympic National Park: nice, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Olympic National Park on SeasonMap's comfort score (94/100).
What is the weather like in Olympic National Park in July?
In July, Olympic National Park averages a daily high of 17.9°C and a low of 8.2°C, with about 26.2 mm of rain over roughly 2.5 rainy days.
What is the air quality in Olympic National Park in July?
Olympic National Park has a mean US Air Quality Index of about 28 in July.

Within 300 km: Victoria, BC's Whale watching season around 1 May – 15 Oct, and Seattle's Salmon at the Ballard Locks around 15 Jun – 20 Sep.