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.
Rain is frequent. About 16 wet days, fewer than in most months.
Cloudier spells limit sunshine.
In August, afternoons feel about 52° and nights feel near 45°.
Mostly cloudy skies this month.
Calm winds are typical in August.
August late afternoons are around 57°F, easing to about 54°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 36 | 28 | 6.4 | 18 | 1.8 | 79 |
| Feb | 38 | 31 | 6.7 | 19 | 4.1 | 79 |
| Mar | 39 | 31 | 5.9 | 17 | 6.7 | 78 |
| Apr | 44 | 35 | 3.6 | 14 | 9.5 | 76 |
| May | 49 | 40 | 5.0 | 20 | 11.9 | 75 |
| Jun | 53 | 44 | 4.0 | 18 | 12.2 | 77 |
| Jul | 58 | 49 | 3.6 | 16 | 11.0 | 80 |
| Aug | 57 | 48 | 4.0 | 16 | 9.6 | 81 |
| Sep | 52 | 43 | 6.2 | 18 | 7.0 | 82 |
| Oct | 44 | 36 | 5.3 | 17 | 5.2 | 80 |
| Nov | 40 | 33 | 4.6 | 16 | 2.6 | 79 |
| Dec | 36 | 29 | 4.8 | 15 | 0.9 | 79 |
Similar climates
Want a side-by-side climate view? Compare Vestmannaeyjar 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