Iceland in August: where is it warmest?
In August, Reykjavík is the warmest place with 14 °C by day, Ísafjörður the coolest with 10 °C. 0 of 5 destinations have good holiday weather.
All destinations in August, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Reykjavík | 45 | 14° | 12° | 5 h | 15 |
| Akureyri | 10 | 14° | 9° | 5 h | 15 |
| Grindavík | 12 | 13° | 12° | 5 h | 15 |
| Hafnarfjörður | 12 | 13° | 12° | 5 h | 15 |
| Ísafjörður | 11 | 10° | 9° | 4 h | 13 |
Iceland in August: quick answers
Iceland in August: where is it warmest?
The warmest places in August are Reykjavík (14 °C), Akureyri (14 °C) and Grindavík (13 °C).
Iceland in August: where is the sea warmest?
The sea is warmest at Reykjavík (12 °C), Grindavík (12 °C) and Hafnarfjörður (12 °C).
Iceland in August: where is the weather best?
The best holiday weather in August – warm, sunny and dry – is in Reykjavík, Grindavík and Hafnarfjörður.
Iceland month by month
Iceland: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences