What to expect in Reykjavík in August
August is one of the best times to visit Reykjavík. Expect 14° / 8°, the biggest crowds of the year and premium prices.
Reykjavík weather in August
Typical conditions in Reykjavík during August, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 14°C 57°F |
|---|---|
| Average low | 8°C 46°F |
| Rainfall | Wet 60/100 |
| Total rainfall | 62 mm2.4 in |
| Rainy days | 12 |
| Sea temperature | 11°C 53°F |
| Daylight | 16 h 23 min |
| How it feels | Mild — layers weather |
Average highs sit around 14°C with lows near 8°C. Expect a fair amount of rain, so plan indoor backups.
Crowds & demand
Crowd levels are High for Reykjavík — the biggest crowds of the year.
Prices & value
This month counts as high season: premium prices.
What to pack
Layers you can shed: 14°C by day and about 8°C after dark is a two-jacket kind of month. Add a compact rain shell and shoes you do not mind soaking; this is one of the wetter months.
What it costs
This is peak pricing for Reykjavík. Expect to pay a premium on flights and accommodation, and to book considerably further ahead than usual. Compared with the most expensive month of the year, you are looking at roughly 6% less.
Who this month suits
- Travellers who want the most reliable weather
- Visitors who want to catch a festival
- Families tied to school holidays
Events & what’s on
Look out for Reykjavík Culture Night while you’re there.
- Reykjavík Culture Night — Free concerts, open studios and fireworks fill the city center.
Reykjavík in August compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| June | 13° / 7° | High | $$$ | 36 |
| July | 15° / 9° | High | $$$ | 32 |
| August · This month | 14° / 8° | High | $$$ | 33 |
| September | 11° / 5° | Moderate | $$ | 43 |
| October | 7° / 2° | Moderate | $$ | 44 |
These months score higher for Reykjavík on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in August
If the destination is negotiable but the month is not, these places are at their best in August.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026
