Weather in Reykjavík in August
August in Reykjavík is cool with average temperatures around 10.5°C (50.9°F). Expect significant rainfall with 121mm across approximately 17 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
12.9°C
55.2°F
Low
8.2°C
46.8°F
Precipitation
121 mm
4.7 inches
~17 rainy days
Conditions
Humidity
85%
Comparison to Adjacent Months
August is 22mm wetter than July.
August is 2.6°C warmer than September, 60mm drier than September.