Weather in Reykjavík in October
October in Reykjavík is cold with average temperatures around 4.2°C (39.6°F). Expect significant rainfall with 147mm across approximately 19 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
5.9°C
42.6°F
Low
2.5°C
36.5°F
Precipitation
147 mm
5.8 inches
~19 rainy days
Conditions
Humidity
91%
Comparison to Adjacent Months
October is 3.7°C cooler than September, 34mm drier than September.
October is 2.5°C warmer than November.