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 and often persists for longer stretches. About 14 wet days, fewer than in most months.
Cloudier spells limit sunshine.
Humidity is rarely noticeable in the cool air.
In August, afternoons feel about 46° and nights feel near 42°.
Mostly cloudy skies this month.
Breezy August days can feel brisker in open spots.
August late afternoons are around 53°F, and early evening stays near 53°F.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% | Sea°F |
|---|---|---|---|---|---|---|---|
| Jan | 38 | 32 | 4.8 | 19 | 0.9 | 78 | 44 |
| Feb | 37 | 31 | 4.7 | 17 | 1.8 | 77 | 43 |
| Mar | 38 | 32 | 4.5 | 18 | 3.6 | 76 | 43 |
| Apr | 42 | 36 | 3.7 | 16 | 4.7 | 77 | 43 |
| May | 46 | 40 | 3.3 | 14 | 6.2 | 77 | 45 |
| Jun | 51 | 46 | 2.7 | 13 | 5.4 | 80 | 48 |
| Jul | 54 | 49 | 3.0 | 13 | 5.5 | 83 | 51 |
| Aug | 54 | 49 | 3.8 | 14 | 5.0 | 83 | 53 |
| Sep | 50 | 45 | 5.5 | 18 | 4.2 | 81 | 50 |
| Oct | 44 | 39 | 4.9 | 16 | 2.7 | 80 | 47 |
| Nov | 40 | 35 | 4.6 | 17 | 1.3 | 78 | 46 |
| Dec | 38 | 33 | 4.8 | 18 | 0.4 | 79 | 44 |
Similar climates
Want a side-by-side climate view? Compare Reykjavík with Tromso.
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