Katmai National Park Climate and Average Weather
Climate of Katmai National Park: average temperatures, rainfall and seasons month by month.
Climate in Katmai National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 27° | 16° | 5,8 in | ★☆☆☆☆ |
| February | 31° | 21° | 5,0 in | ★☆☆☆☆ |
| March | 26° | 14° | 2,2 in | ★★☆☆☆ |
| April | 38° | 29° | 6,8 in | ★☆☆☆☆ |
| May | 47° | 36° | 5,9 in | ★★☆☆☆ |
| June | 58° | 46° | 3,4 in | ★★★★☆ |
| July | 61° | 51° | 4,5 in | ★★★★☆ |
| August | 61° | 52° | 3,7 in | ★★★★☆ |
| September | 53° | 45° | 5,1 in | ★★★☆☆ |
| October | 43° | 35° | 5,4 in | ★★☆☆☆ |
| November | 33° | 25° | 4,8 in | ★☆☆☆☆ |
| December | 27° | 17° | 5,3 in | ★☆☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Recent extremes in Katmai National Park
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Katmai National Park compares with nearby places
Annual averages, and the difference against Katmai National Park.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Lake Clark National Park | 173 mi | 20°F | 49°F cooler | 43 in |
| Kenai Fjords National Park | 209 mi | 40°F | +35°F warmer | 155 in |
| Ted Stevens Anchorage International Airport | 248 mi | 38°F | +33°F warmer | 33 in |
| Anchorage | 253 mi | 37°F | about the same | 36 in |
| Mount Foraker | 325 mi | -23°F | 92°F cooler | 78 in |
Best time to visit Katmai National Park
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Katmai National Park
Today is slightly cooler than average for August. The forecast high of 58°F is 3.8°F below the 61°F typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 69°F.
What to pack, what to skip
- A packable rain shell - 6 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Katmai National Park is a national park in Alaska. Katmai National Park is a US national park known for brown bears fishing at Brooks Falls.
Right now it is 56°F (13°C) in Katmai National Park with partly cloudy. It feels like 54°F. Today runs from 51°F to 58°F. Chance of precipitation is 100%. Sightseeing conditions score 5.9/10 - fair - plan around the weather.
The best time to visit Katmai National Park is June, July and August. The climate is subarctic. January, February and December tend to be the least comfortable months. August is the warmest month with average highs near 61°F, while March is the coldest with lows near 14°F.
The closest major airport is Ted Stevens Anchorage International Airport (ANC), about 248 mi away. Nearby highlights include Lake Clark National Park and Kenai Fjords National Park.
In plain terms. Today is slightly cooler than average for August. The forecast high of 58°F is 3.8°F below the 61°F typical for this month. The best window to be outside is roughly 3 PM to 6 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Katmai National Park today at 9.3/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Katmai National Park
| Type | National park |
|---|---|
| State | Alaska |
| Country | United States |
| Continent | North America |
| Coordinates | 58°35′51″N 155°0′0″W (58.5975, -155) |
| Established | 1980 |
| Known for | brown bears fishing at Brooks Falls |
| Local time | 10:19 AM (UTC-08:00) |
| Best months | June, July and August |
| Climate | Subarctic |
Weather map for Katmai National Park
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Katmai National Park
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Katmai National Park?
Katmai National Park is a national park in Alaska. Its coordinates are 58.5975, -155. It lies in North America.
What is the weather like in Katmai National Park right now?
It is currently 56°F (13°C) with partly cloudy. Humidity is 85% and wind is 7 mph.
When is the best time to visit Katmai National Park?
June, July and August offer the most comfortable conditions in Katmai National Park, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Katmai National Park in?
Katmai National Park observes America/Anchorage (UTC-08:00). The local time is 10:19 AM.
What is the nearest airport to Katmai National Park?
The closest airports are Ted Stevens Anchorage International Airport (ANC), 248 mi away.
What are the top things to do in Katmai National Park?
Popular options include Lake Clark National Park and Kenai Fjords National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 10:19 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
