Katmai National Park weather in December
December in Katmai National Park: freezing, soaked, with clean air — one of the weakest months to visit.
#12 of 12 months in Katmai National Park · #567 of 604 destinations to visit in December · comfort 31/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Katmai National Park climate normals — December
| Daytime high | -3°C / 26°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -9°C / 16°F | |
| Feels like (high) | -7°C / 19°F | |
| Rainfall | 196 mm / 7.7 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | -9°C / 15°F | |
| Sunshine | 1.6 h/day | |
| Daylight | 6.5 h | |
| Wind | 10 km/h / 6 mph | |
| Snowfall | 186.8 cm / 73.5 in | |
| Air quality (US AQI) | 36 | 🍃 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 December — FAQ
- Is December a good time to visit Katmai National Park?
- December in Katmai National Park: freezing, soaked, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Katmai National Park on SeasonMap's comfort score (31/100).
- What is the weather like in Katmai National Park in December?
- In December, Katmai National Park averages a daily high of -3.4°C and a low of -9.1°C, with about 196.2 mm of rain over roughly 21 rainy days.
- What is the air quality in Katmai National Park in December?
- Katmai National Park has a mean US Air Quality Index of about 36 in December.
- Does it snow in Katmai National Park in December?
- Katmai National Park sees roughly 186.8 cm of snowfall in December.