December · Alaska
Best time to visit Katmai National Park in December Weather, crowds & prices
Weather in Katmai National Park in December
Average temperature -6°C, 148 mm of rain, about 0 days with 6+ hours of sunshine and 97% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
0.6/10
Ranked #12 of 12 months
- Avg temp
- -6°C
- Rainfall
- 148 mm
- Humidity
- 97%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Katmai National Park scores 0.6/10 for nature and wildlife travel - ranked #12 of 12. Expect around -6°C, 148 mm of rain, and roughly 0 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.
December in Katmai National Park: expect compromises
December sits at -6°C (21°F), firmly in deep-winter territory. Plan compact outdoor blocks with warm reset points between them rather than full days outside.
148 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 6 hours of daylight.
That is 0.6/10 on the same scale — 12th of 12 months, versus 7.5/10 for the best month here.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, 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 — 6.9 points higher on the same scale.
Frequently asked
- What is the weather like in Katmai National Park in December?
- In December, Katmai National Park averages -6°C, 148 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 0.6/10.
- Is December a good time to visit Katmai National Park?
- December earns a 0.6/10 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 December?
- Expect about 148 mm of rain in December. Average humidity is 97% and there are about 0 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.