Iceland in August brings 9-14°C temperatures, 60-70mm rainfall, and high tourist crowds. Here's everything you need to know to plan the perfect August trip to Iceland — from weather patterns and costs to events and packing essentials.
Temperature & Rainfall
Iceland in August averages 9-14°C with approximately 60-70mm of rainfall. Still long days. Days are generally long and sunny. The weather makes August a popular but rewarding times to visit.
Tourist Levels & Pricing
Tourist levels are high in August. Expect higher accommodation prices and busier attractions — book at least 2-3 months ahead for popular spots.
Budget travelers should expect 20-40% higher costs compared to shoulder season.
Top Top Things to Do
Top highlights: Still long days, northern lights possible late month, berry picking.
August is particularly good for outdoor activities, hiking, and nature exploration. Indoor cultural sites and cozy restaurants make for memorable days.
Your Packing List
Essential packing list: Waterproof layers, warm fleece, hiking boots, binoculars. A warm hat and gloves are essential for early mornings and evenings.
Is It Worth Visiting?
Yes — August is popular for good reason, offering still long days. Despite higher prices and bigger crowds, the weather and events make it worth the premium.
The August Calendar That Decides Your Trip
The page's weather and crowd figures hold, but August in Iceland is really shaped by two dates the rest of the summer does not have. The first is Verslunarmannahelgi, the long Commerce Day weekend ending Monday August 3, 2026, when most of the country travels at once. Thjodhatid on the Westman Islands (held in the Herjolfsdalur valley) pulls thousands, and guesthouses, rental cars and Highland buses to Landmannalaugar can sell out for that whole weekend. Book before you commit to early-August dates, or build around it. The second is Reykjavik Culture Night, Menningarnott, on Saturday August 22, 2026, which runs alongside the Reykjavik Marathon and ends with fireworks over the harbour, all free to walk into.
What August buys you that July does not quite match: the Laugavegur Trail and the F-roads into the interior are reliably open and stay so into mid-September, so the Highlands are at their most reachable. The honest catch is that reachable is not the same as quiet. Reykjavik sits around 12-13C by day and 8-9C at night, rain is modest at roughly eight wet days, but late August also clips the long daylight back toward 14-15 hours as autumn colour starts in the interior.
FAQ
What is the weather like in Iceland in August?
Temperatures range from 9-14°C with about 60-70mm of rainfall. Still long days.
Is August too crowded in Iceland?
Crowd levels are high. Book accommodations and major attractions well in advance.
What should I pack for Iceland in August?
Waterproof layers, warm fleece, hiking boots, binoculars.
📅 Other months: Iceland in July · Iceland in June · Iceland in September
Plan Your Iceland Trip
More Iceland guides: Best Time to Visit Iceland · How Much Does a Trip to Iceland Cost?
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Written by
John Morrison is the founder and lead travel writer at Packzup. Over the past decade he has explored destinations across Africa, the Americas, Asia, Europe, the Middle East, and Oceania — always self-funded, never on a press trip.