Iceland weather in August
Iceland in August averages 11°C (53°F), 40 mm of rain and 4.5 hours of sun a day.
Of the twelve months in Iceland, August is the second warmest, the fifth driest and the fourth sunniest.
- Average temp
- 11°C (53°F)
8–15°C · 46–59°F
- Rainfall
- 40 mm
Not much rain
- Sunshine
- 4.5 h
hours per day
What is Iceland like in August?
Daytime
Days are cool.
Rain
Rain is usually light.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Iceland in August?
A warm mid-layer
Nights drop to around 8°C (46°F).
August compared with July and September
August in Iceland is about the same temperature as July and about as wet as it, which averages 12°C (53°F).
August in Iceland is 2.9°C warmer than September and 11 mm drier than it, which averages 9°C (47°F).
Daylight in Iceland in August
On 15 August the sun is up for 16 hours 33 minutes in Iceland, rising about 05:02 and setting about 21:35 local time.
August ends 3 hours 28 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 5 hours 19 minutes short of June, the longest-lit month here.
Travel guides for Iceland
What to read before you book.
Iceland weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 0°C / 31°F | 61 mm |
| February | -1°C / 31°F | 51 mm |
| March | 0°C / 33°F | 50 mm |
| April | 3°C / 38°F | 25 mm |
| May | 7°C / 44°F | 23 mm |
| June | 10°C / 50°F | 20 mm |
| July | 12°C / 53°F | 33 mm |
| August | 11°C / 53°F | 40 mm |
| September | 9°C / 47°F | 51 mm |
| October | 4°C / 39°F | 78 mm |
| November | 1°C / 33°F | 64 mm |
| December | -1°C / 31°F | 73 mm |
Check another month
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FAQs about Iceland in August
August climate averages for Iceland, 1991–2020.
Iceland averages 11°C (53°F) in August, ranging from about 8°C (46°F) at night to 15°C (59°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Barely. August sees only about 40 mm, so rain is unlikely to affect your plans.
Yes. August averages 11°C (53°F) against 9°C (47°F) in September — 2.9°C warmer.
August is about as warm as July, and about as wet.
Yes. August falls inside the most comfortable stretch of the year here, April to September, on temperature and rainfall together.
About 4.5 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 16 hours 33 minutes of daylight in mid-August, against 21 hours 52 minutes in June and 3 hours 42 minutes in December.
On 15 August, sunrise is about 05:02 and sunset about 21:35 local time. Both shift across the month — the month ends 3 hours 28 minutes shorter than it starts.
