Adak weather by month & the best time to visit
🇺🇸 United States · seaside town · oceanic / maritime climate
Adak is short on reliable sunshine. Its best month is August (Score 16/100) — for stronger sun, try one of the nearby alternatives below.
Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data
- Sun hours / year
- 1,006
- Sunniest month
- August
- Peak score
- 16/100
- Rain / year
- 1,085 mm
- Snow / year
- ≈73 cm
- Midday UV at peak
- 4 (moderate)
- Sea at warmest
- 9°C / 48°F
- Population
- 171
- Elevation
- Sea level
When is the best time to visit Adak?
Adak never gets truly sunny weather: August is as good as it gets at 16/100, and January is the low point (0/100). If sunshine is the point of the trip, the nearby alternatives below do better.
How sunny is Adak?
Adak isn't a sunny place by world standards: about 1,006 hours of sunshine a year. August (16/100) is noticeably better than January (0). It ranks #579 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. The year's 1,085 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 2° / 36°F | 1° / 34°F | 82 mm | 0 | 4° / 39°F |
| February | 0 | 2° / 36°F | 1° / 34°F | 92 mm | 1 | 4° / 39°F |
| March | 0 | 3° / 37°F | 1° / 34°F | 92 mm | 2 | 3° / 37°F |
| April | 0 | 4° / 39°F | 2° / 36°F | 68 mm | 3 | 4° / 39°F |
| May | 0 | 5° / 41°F | 4° / 39°F | 65 mm | 3 | 5° / 41°F |
| June | 0 | 7° / 45°F | 6° / 43°F | 67 mm | 4 | 6° / 43°F |
| July | 5 | 9° / 48°F | 8° / 46°F | 104 mm | 4 | 8° / 46°F |
| August | 16 | 11° / 52°F | 9° / 48°F | 112 mm | 4 | 9° / 48°F |
| September | 11 | 10° / 50°F | 8° / 46°F | 96 mm | 3 | 9° / 48°F |
| October | 0 | 7° / 45°F | 6° / 43°F | 101 mm | 1 | 7° / 45°F |
| November | 0 | 5° / 41°F | 3° / 37°F | 102 mm | 0 | 6° / 43°F |
| December | 0 | 3° / 37°F | 2° / 36°F | 104 mm | 0 | 5° / 41°F |
Sea temperature in Adak by month
The sea off Adak is warmest in August at around 9°C / 48°F, and coolest in March at 3°C / 37°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Adak on the interactive sunshine globe →
Nearby places for sunshine
- Bethel United States · 1,340 km · best in Jul · 1,745 h sun/yr
- Nome United States · 1,545 km · best in Jul · 1,904 h sun/yr
- Kodiak United States · 1,668 km · best in Jul · 1,335 h sun/yr
- Petropavlovsk-Kamchatsky Russia · 1,682 km · best in Aug · 1,728 h sun/yr
- Kotzebue United States · 1,838 km · best in Jul · 2,092 h sun/yr
- Anchorage United States · 1,913 km · best in Jul · 1,720 h sun/yr
Nearest destinations
- Atka United States · 171 km · 1,046 h sun/yr · best in Aug
- Nikolski United States · 541 km · 1,066 h sun/yr · best in Aug
- Unalaska United States · 713 km · 1,055 h sun/yr · best in Aug
- St Paul United States · 718 km · 1,043 h sun/yr · best in Aug
- Akutan United States · 779 km · 985 h sun/yr · best in Aug
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