Lake Clark National Park weather in August
August in Lake Clark National Park: cold, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Lake Clark National Park · #274 of 604 destinations to visit in August · comfort 81/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Lake Clark National Park climate normals — August
| Daytime high | 11°C / 51°F | 🧥 cold |
|---|---|---|
| Nighttime low | 5°C / 40°F | |
| Feels like (high) | 9°C / 48°F | |
| Rainfall | 139 mm / 5.5 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 5°C / 40°F | |
| Sunshine | 8.6 h/day | |
| Daylight | 15.6 h | |
| Wind | 8 km/h / 5 mph | |
| Snowfall | 0.5 cm / 0.2 in | |
| Air quality (US AQI) | 24 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Lake Clark National Park?
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Lake Clark National Park in August — FAQ
- Is August a good time to visit Lake Clark National Park?
- August in Lake Clark National Park: cold, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Lake Clark National Park on SeasonMap's comfort score (81/100).
- What is the weather like in Lake Clark National Park in August?
- In August, Lake Clark National Park averages a daily high of 10.5°C and a low of 4.6°C, with about 138.8 mm of rain over roughly 16.8 rainy days.
- What is the air quality in Lake Clark National Park in August?
- Lake Clark National Park has a mean US Air Quality Index of about 24 in August.