Weather in Iceland in August
August in Iceland is a coat month. Treat it as cities, food and short walks, not as a terrace holiday.
A country pin in August is a warning: one region of Iceland will not match another. Use a city page if you already know where you are going. Compared with July and February, August sits in the middle of Iceland's year.

- Average temp
- 11°C
8–15°C
- Rainfall
- 40 mm
Not much rain
- Sunshine
- 4.5 h
hours per day
What to expect
Daytime
You want a proper coat in Iceland in August, not a festival jacket. Wind makes the same afternoon feel sharper than the map suggests.
Outdoor time is the middle of the day. Finish plans before the light goes. Evenings are for indoors.
Rain
Mixed skies in Iceland in August. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
A layer for cooler evenings
Where to stay in Iceland
Featured stays on trip1. Dates are a starting point for August.
Travel guides for Iceland
What to read before you book.
Average weather in Iceland
TemperatureRainfall
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This is the month you are reading. Change either side to look at another.
FAQs about Iceland
Climate averages for Iceland, 1991–2020.
The best time to visit Iceland is between April and September, the most comfortable stretch of the year on these averages.
July is the hottest month, with an average around 12°C.
October is the wettest month, with about 78 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
