Katmai National Park weather in October
October in Katmai National Park: cold, soaked, with clean air — a good time to visit.
#7 of 12 months in Katmai National Park · #524 of 604 destinations to visit in October · comfort 61/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Katmai National Park climate normals — October
| Daytime high | 5°C / 42°F | 🧥 cold |
|---|---|---|
| Nighttime low | 1°C / 33°F | |
| Feels like (high) | 3°C / 37°F | |
| Rainfall | 173 mm / 6.8 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | 0°C / 33°F | |
| Sunshine | 4.2 h/day | |
| Daylight | 10.2 h | |
| Wind | 11 km/h / 7 mph | |
| Snowfall | 57.7 cm / 22.7 in | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Katmai National Park?
Loading map…
Katmai National Park in October — FAQ
- Is October a good time to visit Katmai National Park?
- October in Katmai National Park: cold, soaked, with clean air — a good time to visit. It ranks #7 of 12 months for Katmai National Park on SeasonMap's comfort score (61/100).
- What is the weather like in Katmai National Park in October?
- In October, Katmai National Park averages a daily high of 5.4°C and a low of 0.7°C, with about 172.9 mm of rain over roughly 19.2 rainy days.
- What is the air quality in Katmai National Park in October?
- Katmai National Park has a mean US Air Quality Index of about 28 in October.
- Does it snow in Katmai National Park in October?
- Katmai National Park sees roughly 57.7 cm of snowfall in October.