Swimming in Iceland in august 2025 Sea temperature by city in august
Do you want to go to the beach in Iceland in august 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in august in Iceland by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Iceland in august 2025
Here, find the average sea temperature in Iceland in august in several coastal cities.
South West in august
53°F
min: 50°F / max: 56°F
53°F
min: 51°F / max: 56°F
Keflavík
53°F
min: 50°F / max: 55°F
Suðurnesjabær
53°F
min: 50°F / max: 55°F
Kopavogur
53°F
min: 50°F / max: 55°F
Mosfellsbaer
53°F
min: 50°F / max: 56°F
North in august
49°F
min: 47°F / max: 52°F
50°F
min: 47°F / max: 53°F
49°F
min: 46°F / max: 52°F
Húsavík
50°F
min: 47°F / max: 53°F
Hvitserkur
49°F
min: 46°F / max: 52°F
Miðgarðar
49°F
min: 46°F / max: 52°F
West in august
52°F
min: 49°F / max: 54°F
51°F
min: 49°F / max: 53°F
51°F
min: 49°F / max: 53°F
Arnarstapi
51°F
min: 49°F / max: 53°F
Akranes
53°F
min: 50°F / max: 56°F
Westfjords in august
48°F
min: 46°F / max: 51°F
48°F
min: 45°F / max: 50°F
48°F
min: 45°F / max: 50°F
Flatey island
51°F
min: 49°F / max: 53°F
Hornstrandir
48°F
min: 46°F / max: 51°F
East in august
52°F
min: 49°F / max: 53°F
Djúpivogur
52°F
min: 49°F / max: 53°F
51°F
min: 50°F / max: 54°F
South in august
53°F
min: 52°F / max: 55°F
Dyrholaey
54°F
min: 52°F / max: 55°F
Vestmannaeyjar (Vestmann island)
54°F
min: 52°F / max: 55°F
Where should you go swimming in Iceland in the month of august?
Swimming in Iceland in august is freezing
In august in Iceland swimming conditions are generally the same everywhere.
Forget about swimming in Reykjavík, Akureyri, Borgarnes, Djúpavík, Grindavík, Hofn, Ísafjörður, Ólafsvík, Patreksfjörður, Raufarhöfn, Siglufjördur, Snaefellsnes, Vík í Mýrdal, Arnarstapi, Djúpivogur, Dyrholaey, Flatey island, Hornstrandir, Húsavík, Hvitserkur, Jokulsarlon, Keflavík, Miðgarðar, Suðurnesjabær, Þórshöfn, Akranes, Dalvik, Kopavogur, Mosfellsbaer, Seltjarnarnes, Vestmannaeyjar (Vestmann island) and Vogar in august! The water temperature is freezing, reaching as low as 50°F (and only 56°F at the best of times). Our advice: plan on sightseeing, and don't bring your beach towel!
Where to go swimming in Iceland in august: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in august
Reykjavík
| August | |||
| Average sea temperature | 53°F | ||
| Minimum sea temperature | 50°F | ||
| Maximum sea temperature | 56°F | ||
| Average outside temperature | 54°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 50°F | ||
| Precipitation | 3.9in | ||
| Number of days of precipitation | 7 jour(s) (22%) | ||
| Cloud cover | 60% | ||
| Our opinion | freezing swimming |
More information on swimming in Reykjavík in august
Akureyri
| August | |||
| Average sea temperature | 49°F | ||
| Minimum sea temperature | 47°F | ||
| Maximum sea temperature | 52°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 40°F | ||
| Precipitation | 6.5in | ||
| Number of days of precipitation | 10 jour(s) (33%) | ||
| Cloud cover | 65% | ||
| Our opinion | freezing swimming |
More information on swimming in Akureyri in august
Borgarnes
| August | |||
| Average sea temperature | 52°F | ||
| Minimum sea temperature | 49°F | ||
| Maximum sea temperature | 54°F | ||
| Average outside temperature | 54°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 50°F | ||
| Precipitation | 3.9in | ||
| Number of days of precipitation | 7 jour(s) (22%) | ||
| Cloud cover | 60% | ||
| Our opinion | freezing swimming |
More information on swimming in Borgarnes in august
Djúpavík
| August | |||
| Average sea temperature | 48°F | ||
| Minimum sea temperature | 46°F | ||
| Maximum sea temperature | 51°F | ||
| Average outside temperature | 50°F | ||
| Maximum outside temperature | 54°F | ||
| Minimum outside temperature | 47°F | ||
| Precipitation | 2.6in | ||
| Number of days of precipitation | 4 jour(s) (12%) | ||
| Cloud cover | 61% | ||
| Our opinion | freezing swimming |
More information on swimming in Djúpavík in august
Grindavík
| August | |||
| Average sea temperature | 53°F | ||
| Minimum sea temperature | 51°F | ||
| Maximum sea temperature | 56°F | ||
| Average outside temperature | 54°F | ||
| Maximum outside temperature | 56°F | ||
| Minimum outside temperature | 52°F | ||
| Precipitation | 4.9in | ||
| Number of days of precipitation | 7 jour(s) (24%) | ||
| Cloud cover | 60% | ||
| Our opinion | freezing swimming |
More information on swimming in Grindavík in august
List of coastal cities in Iceland
| Reykjavík in august | freezing swimming |
| Akureyri in august | freezing swimming |
| Borgarnes in august | freezing swimming |
| Djúpavík in august | freezing swimming |
| Grindavík in august | freezing swimming |
| Hofn in august | freezing swimming |
| Ísafjörður in august | freezing swimming |
| Ólafsvík in august | freezing swimming |
| Patreksfjörður in august | freezing swimming |
| Raufarhöfn in august | freezing swimming |
| Siglufjördur in august | freezing swimming |
| Snaefellsnes in august | freezing swimming |
| Vík í Mýrdal in august | freezing swimming |
| Arnarstapi in august | freezing swimming |
| Djúpivogur in august | freezing swimming |
| Dyrholaey in august | freezing swimming |
| Flatey island in august | freezing swimming |
| Hornstrandir in august | freezing swimming |
| Húsavík in august | freezing swimming |
| Hvitserkur in august | freezing swimming |
| Jokulsarlon in august | freezing swimming |
| Keflavík in august | freezing swimming |
| Miðgarðar in august | freezing swimming |
| Suðurnesjabær in august | freezing swimming |
| Þórshöfn in august | freezing swimming |
| Akranes in august | freezing swimming |
| Dalvik in august | freezing swimming |
| Kopavogur in august | freezing swimming |
| Mosfellsbaer in august | freezing swimming |
| Seltjarnarnes in august | freezing swimming |
| Vestmannaeyjar (Vestmann island) in august | freezing swimming |
| Vogar in august | freezing swimming |