What to pack for Reykjavík in August
- long sleeves and a warm layer
- a medium jacket
- a compact umbrella or rain shell — rain is frequent
Humidity averages 83%; max daily wind around 19 km/h.
How August compares
Best months in Reykjavík: July–August. See the full best time to visit Reykjavík guide.
Reykjavík in August: the details
In August, Reykjavík sees average daytime highs of 13°C (55°F) and overnight lows of 8°C (47°F). Rainfall totals roughly 117 mm across 14.3 rainy days, and the sun shines about 8.1 hours per day with 16.1 hours of daylight mid-month. Relative humidity averages 83%.
In context: August is the second-warmest month and the 10th-wettest in Reykjavík. The sunniest month is June (9 h/day).
| Metric | August average |
|---|---|
| Daytime high | 13°C / 55°F |
| Overnight low | 8°C / 47°F |
| Rainfall | 117 mm over 14.3 rainy days |
| Sunshine | 8.1 h/day (16.1 h daylight) |
| Humidity | 83% |
| Travel score | 5.3 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Reykjavík, Iceland (64.14, -21.9) — see our methodology. Actual conditions vary year to year.
Not set on Reykjavík? Browse the best places to visit in August ranked by travel score.
Frequently asked questions
How hot is Reykjavík in August?
Daytime highs in Reykjavík in August average 13°C (55°F); nights drop to about 8°C.
Does it rain in Reykjavík in August?
Expect around 14.3 rainy days and 117 mm of rainfall in August.
Is August a good time to visit Reykjavík?
August is a fair shoulder-season month in Reykjavík — decent conditions with some trade-offs. Overall travel score: 5.3/10. The best months are July–August.
Also good in August, near Reykjavík
Where should you go next month?
Get one email a month with the destinations at their seasonal best. Double opt-in, unsubscribe anytime.