Weather in Reykjavík in May
May in Reykjavík is cool with average temperatures around 5.7°C (42.3°F). Moderate rainfall of 93mm spread over 15 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
8.1°C
46.6°F
Low
3.2°C
37.8°F
Precipitation
93 mm
3.6 inches
~15 rainy days
Conditions
Humidity
83%
Comparison to Adjacent Months
May is 2.7°C warmer than April, 27mm drier than April.
May is 3.5°C cooler than June.