Katmai National Park weather in March
March in Katmai National Park: freezing, rainy, with clean air — a fair time to visit.
#8 of 12 months in Katmai National Park · #540 of 604 destinations to visit in March · comfort 55/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Katmai National Park climate normals — March
| Daytime high | -1°C / 31°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -6°C / 21°F | |
| Feels like (high) | -4°C / 25°F | |
| Rainfall | 115 mm / 4.5 in | 🌧 rainy |
| Rainy days | 18 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | -6°C / 21°F | |
| Sunshine | 6.5 h/day | |
| Daylight | 11.9 h | |
| Wind | 10 km/h / 6 mph | |
| Snowfall | 95.7 cm / 37.7 in | |
| Air quality (US AQI) | 39 | 🍃 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 March — FAQ
- Is March a good time to visit Katmai National Park?
- March in Katmai National Park: freezing, rainy, with clean air — a fair time to visit. It ranks #8 of 12 months for Katmai National Park on SeasonMap's comfort score (55/100).
- What is the weather like in Katmai National Park in March?
- In March, Katmai National Park averages a daily high of -0.7°C and a low of -6.2°C, with about 115.1 mm of rain over roughly 17.8 rainy days.
- What is the air quality in Katmai National Park in March?
- Katmai National Park has a mean US Air Quality Index of about 39 in March.
- Does it snow in Katmai National Park in March?
- Katmai National Park sees roughly 95.7 cm of snowfall in March.