Katmai National Park weather in July
July in Katmai National Park: nice, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Katmai National Park · #100 of 604 destinations to visit in July · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Katmai National Park climate normals — July
| Daytime high | 17°C / 63°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 53°F | |
| Feels like (high) | 17°C / 63°F | |
| Rainfall | 100 mm / 3.9 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 10°C / 51°F | |
| Sunshine | 7.8 h/day | |
| Daylight | 17.5 h | |
| Wind | 9 km/h / 5 mph | |
| Air quality (US AQI) | 21 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Katmai National Park?
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Katmai National Park in July — FAQ
- Is July a good time to visit Katmai National Park?
- July in Katmai National Park: nice, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Katmai National Park on SeasonMap's comfort score (89/100).
- What is the weather like in Katmai National Park in July?
- In July, Katmai National Park averages a daily high of 17.3°C and a low of 11.5°C, with about 99.8 mm of rain over roughly 15.2 rainy days.
- What is the air quality in Katmai National Park in July?
- Katmai National Park has a mean US Air Quality Index of about 21 in July.