March · Alaska
Best time to visit Katmai National Park in March Weather, crowds & prices
Weather in Katmai National Park in March
Average temperature -7°C, 96 mm of rain, about 2 days with 6+ hours of sunshine and 94% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
March score
2.5/10
Ranked #8 of 12 months
- Avg temp
- -7°C
- Rainfall
- 96 mm
- Humidity
- 94%
- Days with 6h+ sun
- 2
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
March in Katmai National Park scores 2.5/10 for nature and wildlife travel - ranked #8 of 12. Expect around -7°C, 96 mm of rain, and roughly 2 days with 6+ hours of sunshine this month.
Katmai protects a remote volcanic landscape, salmon rivers, and a major brown-bear population, with Brooks Camp its best-known visitor base.
March in Katmai National Park: expect compromises
March sits at -7°C (20°F), firmly in deep-winter territory. Plan compact outdoor blocks with warm reset points between them rather than full days outside.
96 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with about 2 days with 6+ hours of sunshine and 11.4 hours of daylight.
That is 2.5/10 on the same scale — 8th of 12 months, versus 7.5/10 for the best month here.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, June is materially better in Katmai National Park — 5 points higher on the same scale.
Frequently asked
- What is the weather like in Katmai National Park in March?
- In March, Katmai National Park averages -7°C, 96 mm of rain, and about 2 days with 6+ hours of sunshine. Its climate-comfort score is 2.5/10.
- Is March a good time to visit Katmai National Park?
- March earns a 2.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Katmai National Park in March?
- Expect about 96 mm of rain in March. Average humidity is 94% and there are about 2 days with 6+ hours of sunshine.
Curated in Katmai National Park
Tickets & experiences
Things to do in Katmai National Park
Katmai National Park, Alaska. Live activities and tours from GetYourGuide, matched to this destination.