Late summer · Weather & things to do
Reykjavík in August
Little changes in Reykjavík from July: highs stay near 56°F (14°C), lows near 48°F (9°C), and about 4.8 in (121 mm) of rain falls.
At 61/100 for comfort (3rd of 12), it's one of the best months to visit.
- Avg high
- 56°F (14°C)
- Avg low
- 48°F (9°C)
- Rain
- 4.8 in (121 mm)
- Humidity
- 85%
- Cloud cover
- 79%
- Daylight
- ~16 h 03 min
- Comfort score
- 61/100 · Good
What August feels like
Expect mild afternoons around 56°F (14°C), good for long walks.
Nights cool to an average low of 48°F (9°C).
Rain is a real factor, with about 4.8 in (121 mm) across the month.
Expect plenty of overcast days, with cloud cover near 79%.
Long days help: there are roughly 16 h 03 min of daylight mid-month.
Plan around August
August is one of Reykjavík's best months on the climate data.
- Last of the best-scoring months: by September, the score drops to 44/100.
- Comfort slips from 64/100 in July to 61/100.
- August sits inside the Jun – Sep window our Iceland Ring Road route recommends.
What to pack for August
- A warm layer for eveningslows near 48°F
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Reykjavík in August
August is good outdoor weather here, so these picks lean toward the open air.
National Museum of Iceland
Settlement-to-today history of Iceland in one clear permanent exhibit.
Bæjarins Beztu Pylsur
Harbor hot-dog stand open since 1937.
Sægreifinn (The Sea Baron)
Old harbor fish shack known for lobster soup and fish skewers.
Hallgrímskirkja
Concrete church inspired by basalt columns, with a tower lift over the rooftops.
Þingvellir National Park
Rift valley between continents and site of Iceland's first parliament in 930.
Why now August scores 61/100 for comfort, good conditions for being outside.
Nearby in August
- Vík in August~103 mi · highs 55°F, 6.5 in rain · 1°C (2°F) cooler by day, wetter
- Jökulsárlón in August~172 mi · highs 49°F, 5.7 in rain · 4°C (7°F) cooler by day, wetter
- Mývatn in August~177 mi · highs 48°F, 3.3 in rain · 4°C (8°F) cooler by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Reykjavík in August: quick answers
Is August a good time to visit Reykjavík?
Yes. On the climate data it's one of the best months, scoring 61/100. Expect highs of 56°F (14°C) and 4.8 in (121 mm) of rain. August is inside the Jun – Sep window our Iceland Ring Road route recommends.
How cold is Reykjavík in August?
Average highs are 56°F (14°C) and average lows 48°F (9°C), making it the 2nd-warmest month by daytime highs.
Does it rain a lot in Reykjavík in August?
Yes: about 4.8 in (121 mm) of rain falls across August on average, the 5th-driest month of the year. The annual total is about 64.5 in (1638 mm).
What should I pack for Reykjavík in August?
Bring a warm layer for evenings (lows near 48°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Reykjavík
Routes in season in August
- Iceland Ring Road Jun – Sep
Planning Reykjavík in August?
Share this August plan with your group, poll everyone on dates and keep the packing list in one place.