- Best time to visit Olympic: May to July and September. The weather is at its most comfortable then, and crowds are lighter than at the peak.
- Busiest month: August, with about 590,500 visits in a typical recent year. That is 4.4 times as many as April.
- Quietest month: January (84,261 visits), when weather or closures keep most people away.
- Wettest month: January, with 17.6 inches on average.
Bar height: visitors that month, compared with the busiest month. Temperatures: average daily high and low (°F); rain and snow: monthly averages. Best marks the months we suggest.
Month by month
| Month | Crowds | Visits (typical) | High / low (°F) | Precipitation | Snow |
|---|---|---|---|---|---|
| January | Very quiet | 84,261 | 47° / 36° | 17.6 in | n/a |
| February | Very quiet | 98,164 | 51° / 34° | 10.4 in | n/a |
| March | Quiet | 135,531 | 54° / 37° | 13.1 in | n/a |
| April | Quiet | 134,902 | 59° / 38° | 8.7 in | n/a |
| May ★ | Moderate | 278,061 | 64° / 43° | 5.0 in | n/a |
| June ★ | Moderate | 343,747 | 67° / 47° | 3.5 in | n/a |
| July ★ | Busiest | 485,846 | 72° / 50° | 1.8 in | n/a |
| August | Busiest | 590,500 | 72° / 50° | 2.7 in | n/a |
| September ★ | Busy | 453,152 | 70° / 46° | 4.8 in | n/a |
| October | Moderate | 322,693 | 61° / 42° | 10.5 in | n/a |
| November | Quiet | 220,881 | 51° / 38° | 16.6 in | n/a |
| December | Very quiet | 108,684 | 46° / 34° | 15.0 in | n/a |
Weather figures are NOAA 1991 to 2020 climate normals for the Clearwater station (80 feet above sea level), 4 miles from Kalaloch Ranger Station. Higher parts of the park are colder and snowier. Visitor numbers are the median of 2022 to 2025 monthly recreation visits from the National Park Service.
By season
- Spring (March to May): 17% of the year’s visits; average highs 54° to 64°F.
- Summer (June to August): 44% of the year’s visits; average highs 67° to 72°F.
- Fall (September to November): 31% of the year’s visits; average highs 51° to 70°F.
- Winter (December to February): 9% of the year’s visits; average highs 46° to 51°F.
Weekends and holidays
Even in a quiet month, holiday weekends fill parking lots and campgrounds. The 2027 federal holidays to plan around:
- Martin Luther King Jr. Day: Monday, January 18
- Presidents Day: Monday, February 15
- Memorial Day: Monday, May 31
- Juneteenth: Saturday, June 19
- Independence Day: Sunday, July 4 (observed Monday, July 5)
- Labor Day: Monday, September 6
- Columbus Day and Indigenous Peoples Day: Monday, October 11
- Veterans Day: Thursday, November 11
- Thanksgiving: Thursday, November 25
Entrance is free for U.S. residents on the park service’s fee-free days. The last one in 2026 is Veterans Day, November 11; the 2027 dates had not been announced when we checked. Free days are often busier. See the crowd calendar for all 64 parks.
Weather, in the park service’s words
Summers tend to be fair and warm, with high temperatures between 65 and 75 degrees F. July, August and September are the driest months, with heavier precipitation during the rest of the year. While winters are mild at lower elevation, snowfall can be heavy in the mountains. It is common for different weather conditions to exist within the park at the same time. At any time of year, visitors should come prepared for a variety of conditions.
From the National Park Service (public domain).
Today at Olympic
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Alerts: National Park Service, checked hourly. Forecast: National Weather Service, for Olympic National Park Visitor Center. Always confirm on the official park site before you set out.
Sources
- National Park Service visitor use statistics (IRMA): monthly recreation visits, 2022 to 2025
- NOAA NCEI U.S. Climate Normals, 1991 to 2020 (monthly)
- National Park Service Data API: weather overview (public domain)
Last checked 1 November 2026.