August · Iceland
Best time to visit Reynisfjara in August Weather, crowds & prices
Weather in Reynisfjara in August
Average temperature 10°C, 170 mm of rain, about 10 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
2.4/10
Ranked #5 of 12 months
- Avg temp
- 10°C
- Rainfall
- 170 mm
- Humidity
- 87%
- Days with 6h+ sun
- 10
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
August in Reynisfjara scores 2.4/10 for beach and coastal travel - an above-average month (#5 of 12). Expect around 10°C, 170 mm of rain, and roughly 10 days with 6+ hours of sunshine this month.
Reynisfjara is Iceland’s famous black-sand beach-sneaker waves, basalt columns, and Reynisdrangar sea stacks. Best window: the short high-summer window when daylight peaks.
August in Reynisfjara — the hardest end of the year
August averages 10°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 170 mm this is a genuinely wet month: about 10 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 2.4/10 here, 5th of 12 months, against 4.2/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? June scores 1.8 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Reynisfjara in August?
- In August, Reynisfjara averages 10°C, 170 mm of rain, and about 10 days with 6+ hours of sunshine. Its climate-comfort score is 2.4/10.
- Is August a good time to visit Reynisfjara?
- August earns a 2.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Reynisfjara in August?
- Expect about 170 mm of rain in August. Average humidity is 87% and there are about 10 days with 6+ hours of sunshine.
Curated in Reynisfjara
Tickets & experiences
Things to do in Reynisfjara
Reynisfjara, Iceland. Live activities and tours from GetYourGuide, matched to this destination.