Reykjavik Weather in August
In August, Reykjavik averages a high of 13°C (56°F) and a low of 8°C (47°F), based on 55 years of historical weather data from REYKJAVIK.
13°C
Average high
56°F
8°C
Average low
47°F
25°C
Record high
77°F · 2004
0°C
Record low
32°F · 2023
What to Expect in Reykjavik in August
Typical August days in Reykjavik reach 13°C (56°F) during the afternoon and cool to around 8°C (47°F) overnight. On average, measurable rain falls on about 60% of days this month. Over the past 55 years, August temperatures in Reykjavik have ranged from a record high of 25°C (2004) down to a record low of 0°C (2023).
For a day-by-day look or other months, see the full Reykjavik weather history.