Iceland
Iceland in August
Where it is warm, dry and good for swimming in Iceland in August — compared across the country’s main destinations.
Quick answers
- Where is it warmest in Iceland in August?
- Egilsstaðir is the warmest of the 16 destinations compared, with highs of 14°C (57°F) in August; Isafjordur is the coolest at 12°C (53°F).
- Can you swim in the sea in Iceland in August?
- Hardly: even the warmest water, at Selfoss (12°C (53°F)), stays below 21 °C.
Warmest
14°
Egilsstaðir
Coolest
12°
Isafjordur
Driest
44 mm
Siglufjordur
Warmest sea
12°
Selfoss
Across Iceland, August highs run from 12°C (53°F) (Isafjordur) to 14°C (57°F) (Egilsstaðir). On average it is about as warm as July. Some destinations see regular rain. Best bets this month: Reykjavik, Akureyri, and Keflavik.
Best places in Iceland in August
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28 
Reykjavik
Capital Region · Iceland
13° / 8° 80 mm Aug
35
Akureyri
Northeast · Iceland
14° / 7° 46 mm Aug
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27
Keflavik
Southern Peninsula · Iceland
13° / 8° 76 mm Aug
28
Hafnarfjordur
Capital Region · Iceland
13° / 8° 79 mm Aug
28
Kopavogur
Capital Region · Iceland
13° / 8° 79 mm Aug
28
Selfoss
South · Iceland
13° / 8° 116 mm Aug
Weather in August by city
| Place | Day | Night | Rain | Sea | Score |
|---|---|---|---|---|---|
| Egilsstaðir | 14° | 7° | 46 mm | — | 38 |
| Akureyri | 14° | 7° | 46 mm | — | 35 |
| Seyðisfjörður | 13° | 7° | 78 mm | — | 30 |
| Stykkisholmur | 12° | 8° | 53 mm | 10° | 29 |
| Reykjavik | 13° | 8° | 80 mm | 11° | 28 |
| Hafnarfjordur | 13° | 8° | 79 mm | 11° | 28 |
| Kopavogur | 13° | 8° | 79 mm | 11° | 28 |
| Vik | 13° | 8° | 158 mm | 12° | 28 |
| Grindavik | 13° | 8° | 81 mm | 11° | 28 |
| Selfoss | 13° | 8° | 116 mm | 12° | 28 |
| Siglufjordur | 12° | 7° | 44 mm | 9° | 28 |
| Hella | 13° | 8° | 116 mm | — | 28 |
| Keflavik | 13° | 8° | 76 mm | 11° | 27 |
| Borgarnes | 12° | 8° | 70 mm | — | 27 |
| Hofn | 12° | 7° | 112 mm | 11° | 26 |
| Isafjordur | 12° | 7° | 64 mm | 9° | 24 |
Frequently asked questions
What is the weather like in Iceland in August?
Average daytime highs range from 12° in Isafjordur to 14° in Egilsstaðir.
Can you swim in Iceland in August?
The sea is cool: the warmest water is around Selfoss at about 12°.