Temperature
Cool by day, brisk at night.
Cool days and some sun. Best available month, but conditions still involve trade-offs.
Cool by day, brisk at night.
It rains on most days, and rain often persists for longer stretches. About 18 wet days, fewer than in most months.
Cloudier spells limit sunshine.
In June, afternoons feel about 60° and nights feel near 50°.
Mostly cloudy skies this month.
Calm winds are typical in June.
June late afternoons are around 61°F, easing to about 59°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 33 | 25 | 10.5 | 21 | 2.6 | 78 | 44 |
| Feb | 35 | 26 | 7.5 | 17 | 3.2 | 78 | 43 |
| Mar | 39 | 28 | 7.1 | 18 | 4.4 | 75 | 43 |
| Apr | 46 | 35 | 5.9 | 18 | 6.1 | 77 | 44 |
| May | 56 | 42 | 5.7 | 17 | 7.5 | 78 | 47 |
| Jun | 64 | 51 | 5.6 | 18 | 6.3 | 80 | 51 |
| Jul | 66 | 55 | 7.3 | 19 | 5.9 | 84 | 55 |
| Aug | 66 | 55 | 9.6 | 20 | 5.2 | 85 | 56 |
| Sep | 59 | 49 | 13.2 | 22 | 3.7 | 85 | 54 |
| Oct | 49 | 40 | 13.3 | 23 | 2.1 | 84 | 51 |
| Nov | 38 | 30 | 10.1 | 21 | 2.0 | 80 | 48 |
| Dec | 34 | 26 | 10.8 | 21 | 1.3 | 79 | 46 |
Similar climates
Want a side-by-side climate view? Compare Juneau with Dunedin.
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: Jun 1, 2026
Data & methodology