Weather in August in Reykjavík

• The average sea tempeature is 12 °C (53.6 °F).
• The average temperature in Reykjavík in August is quite mild at 10.3 °C (50.54 °F).
• Afternoons can be mild with average high temperatures reaching 14 °C (57.2 °F).
• Overnight temperatures are generally a little cool with an average low of 8 °C (46.4 °F).
• The average daily temperature variation/ range in August is 6 °C (10.8 °F).
• Precipitation averages for August are moderate with 61.8mm (2.4 in) recorded across 16 days.
• The blue above Reykjavík is slightly fair with on balance an unexceptional 5h 21' of magnificent sunlight per day.
• The shortest day is 14h 59' long and the longest day is 18h 16' long with an average length of 16h 38'.
• There are approximately 10h 37' per day when the sun is occluded by cloud, haze, fog etc.
• It is sunny approximately 33.5% of daylight hours and cloudy 66.5% of daylight hours.

Weather Trend Graph for August in Reykjavík, Iceland