Temperature
Cool by day, brisk at night.
60°Ftypical August high
Typical range
Cool days and some sun.

Cool by day, brisk at night.
It rains on most days. About 18 wet days this month.
Cloudier spells limit sunshine.
In August, afternoons feel about 55° and nights feel near 50°.
Overcast skies this month.
Calm winds are typical in August.
August late afternoons are around 58°F, and early evening stays near 57°F.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 31 | 22 | 6.4 | 19 | 3.3 | 83 |
| Feb | 34 | 24 | 6.4 | 18 | 4.8 | 84 |
| Mar | 34 | 22 | 4.0 | 17 | 7.9 | 81 |
| Apr | 39 | 29 | 5.0 | 16 | 9.5 | 82 |
| May | 46 | 37 | 4.8 | 18 | 11.0 | 83 |
| Jun | 58 | 46 | 3.5 | 15 | 10.1 | 83 |
| Jul | 61 | 51 | 4.1 | 16 | 8.0 | 86 |
| Aug | 60 | 50 | 4.4 | 18 | 7.2 | 88 |
| Sep | 52 | 43 | 5.3 | 19 | 6.2 | 88 |
| Oct | 43 | 34 | 6.9 | 19 | 4.7 | 88 |
| Nov | 30 | 20 | 4.1 | 16 | 3.3 | 87 |
| Dec | 29 | 19 | 6.4 | 18 | 2.4 | 85 |
Similar climates
Want a side-by-side climate view? Compare Katmai National Park with Anchorage.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology