Crater Lake National Park in August
In August, Crater Lake National Park averages a high of 69°F and a low of 42°F, with 0.8 inches of precipitation (rain plus melted snow). About 137,000 people visit, the 2nd busiest of 12 (very busy). Days are 13 hours 56 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 69° / 42°F
- Precipitation
- 0.8in
- Snow
- 0in
- Daylight
- 13h 56m
- Visitors
- 137,000
- Crowds
- Very busy
August is one of the best months to visit: mild weather with very busy crowds.
Higher or lower in the park, expect a different picture: Chiloquin 12 NW (fort Klamath), OR at 4,180 ft averages a August high of 84°F and a low of 41°F.
Weather 1991–2020 averages at Crater Lake Nps HQ, OR, 3.3 miles from the park's center, 6,485 ft. Second station lower down: Chiloquin 12 NW (fort Klamath), OR, 4,180 ft, 18.1 miles. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Redwood National Park | 66° / 51° | Busy | Mild |
| Lassen Volcanic National Park | 78° / 45° | Busy | Mild |
| Fort Vancouver National Historic Site | 82° / 57° | Busy | Hot |
| Mount Rainier National Park | 64° / 45° | Very busy | Mild |
| Point Reyes National Seashore | 63° / 52° | Very busy | Mild |
Closures, reservations and alerts: Crater Lake National Park on nps.gov
All twelve months at Crater Lake · National parks to visit in August