Katmai National Park and Preserve
Weather History, Monthly Averages & Best Time to Visit
AKAlaska200 ft
Look Up a Specific Date
Best Time to Visit
RecommendedJune - August
Late June to early August offers the longest days and mildest weather.
AvoidSeptember - May (most facilities closed, extreme cold)
Tip: Book accommodations early - Alaska parks have limited capacity and fill quickly.
Monthly Climate Averages
Historical temperature and precipitation averages for Anchorage, AK, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 68°F / Low: 53°F
Coldest MonthJanuaryAvg High: 22°F / Low: 8°F
Jan
22°/ 8°
💧 2.6"
❄️ 1.2"
Feb
28°/ 13°
💧 3.5"
❄️ 2.3"
Mar
34°/ 17°
💧 3.2"
❄️ 2.1"
Apr
46°/ 29°
💧 2.1"
❄️ 1.2"
May
58°/ 40°
💧 2.4"
❄️ 1.2"
Jun
65°/ 49°
💧 2.8"
Jul
68°/ 53°
💧 4.4"
Aug
66°/ 51°
💧 5.2"
Sep
57°/ 43°
💧 5.3"
❄️ 3.2"
Oct
43°/ 31°
💧 4.0"
❄️ 1.7"
Nov
29°/ 17°
💧 3.5"
❄️ 1.5"
Dec
25°/ 11°
💧 5.4"
❄️ 1.7"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Data from Anchorage, AK. Expect ~1°F cooler at elevation.
Seasonal Weather
Gateway Cities
Nearby Parks
Official NPS Websitenps.gov/katm
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