Weather and daylight

Average daytime highs are usually between 10°C and 15°C (50 to 59°F). Coastal areas feel cooler because of sea breezes, while inland afternoons can be warm when the wind drops, and the weather changes quickly, so Visit Iceland advises waterproofs and layers. Daylight shortens through the month, from about 16 to 18 hours in early August, but the evenings stay bright into late August. The midnight sun is over, which brings the dark sky back: sightings are possible in the second half of August when skies are clear, and Visit Iceland treats them as a bonus. For the aurora in earnest, see northern lights tours.

Roads and the Ring Road

Nearly the whole country is reachable by road in August and driving conditions are generally good. Mountain roads that are closed for much of the year are often open. The Ring Road is about 1,300 km; allow ten days or more for scenic stops and check road conditions daily, especially in mountain passes. See the Ring Road tour and car rental in Iceland. A 4x4 is required on F-roads, covered in Iceland F-roads.

Puffins and whales

Adult puffins and chicks gradually leave the colonies during August, so early-month visits offer the best chance. Visit Iceland names Dyrhólaey, Látrabjarg, Borgarfjörður Eystri and the Westman Islands. Humpback and minke whales, white-beaked dolphins and harbour porpoises are commonly seen, and some North Iceland tours may spot blue whales. Tours depart from Reykjavík, Húsavík and Akureyri: see whale watching.

Nature and hot springs

Berry season begins: bilberries (bláber) and crowberries (krækiber) ripen in August. The Golden Circle includes Þingvellir, Geysir and Gullfoss; the national parks include Þingvellir, Vatnajökull, home to Europe's largest glacier, and Snæfellsjökull. Hot springs include the Blue Lagoon, Sky Lagoon and the Husafell Canyon Baths, plus local geothermal swimming pools in most towns.

Events

Culture Night (Menningarnótt) is held each August in Reykjavík, with music, exhibitions and food stalls, ending in a fireworks display. Visit Iceland's events page also lists Reykjavik Pride, the Act Alone festival, the International Westfjords Piano Festival and a comic festival under August, without dates. Music festivals take place across the country, and line-ups change each year. Campsites fill up around the early-August long weekend, Verslunarmannahelgi, so book ahead.

A tour to book

August is one of the busiest months, and the Golden Circle is the loop most visitors fit into a single day, so we recommend the Golden Circle full-day tour with Kerid crater: 4.7 out of 5 from 27,992 reviews, from €70 on 6 November 2026. The route is about 250 km from Reykjavík and works all year; see Golden Circle tours.

Booking

Visit Iceland says booking early matters most for the first half of August. Hotels are covered in where to stay in Reykjavík; the price level is in Iceland trip cost.

Mistakes to avoid

  • Arriving in late August for puffins: adults and chicks leave the colonies during the month.
  • Booking hotels and cars late: August is one of the busiest months.
  • Expecting the northern lights in early August: they become possible in the second half.
  • Ignoring campsite demand on the early-August long weekend.

FAQ

What is the weather in Iceland in August?

Highs are usually 10 to 15°C (50 to 59°F), cooler on the coast because of sea breezes.

Can you see the northern lights in August?

In the second half of the month, when skies are clear and nights darken, but they are not guaranteed.

Are puffins still in Iceland in August?

Adults and chicks gradually leave during the month, so early August gives the best chance.

What is Culture Night?

A Reykjavík festival with music, exhibitions and food stalls that ends with fireworks.

Do I need to book early for August?

Yes, especially for the first half of the month.

The Iceland Authority editorial team, 7 November 2026.