Akranes Weather in August
Akranes in August sees moderate temperatures, with highs around 14°C (57°F) and overnight lows of 9°C (48°F). Rainfall is fairly high at around 104 mm (4.1 in) on average, so pack waterproofs just in case.
Rainfall in Akranes in August
Records from the past 30 years suggest around 17 days of rain, with 104 mm (4.1 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Akranes in August
Daytime highs in Akranes in August reach 14°C (57°F), with nights around 9°C (48°F). During August, the summer season is in full swing. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Akranes in August
The month brings about 154 hours of sunlight, offering a comfortable mix of sun and overcast.
Wind Speed in Akranes in August
Wind speeds average 5 m/s (10 knots) during August. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.
Average water temperature in August
The water temperature is only 11°C (52°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.If you prefer dry days with pleasant temperatures, July typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Akranes's climate page.
Akranes Temperature in August
Min Temperature
9°C (48°F)
Max Temperature
14°C (57°F)
Water Temperature
11°C (52°F) *
Chance of Rain
56%
Precipitation
104 mm (4.1 in)
Rainy days
17 days
Humidity
81% *
Windspeed
5 m/s (10 knots) *
Sunshine
154 hours *
Percentage Sunshine
31% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Akranes typically stay consistent throughout August, with daily highs averaging around 14°C (57°F). Nights are cool, with lows around 8°C (46°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Akranes in August
Browse day-by-day weather records for Akranes spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Akranes historical weather extremes in August
According to our 49 years of weather records for Akranes, the following extremes were recorded between 1976 and 2025.
- Akranes recorded its highest August temperature of 25°C (77°F) on August 11, 2004.
- On August 27, 1992, Akranes saw its coldest August day with temperatures maxing out at 7°C (45°F).
- Nighttime temperatures dropped to 2°C (36°F) on August 27, 1982, marking the coldest August night on record.
- The heaviest August precipitation occurred on August 31, 2014, when 46 mm (1.8 in) of precipitation fell.
Best Places in Iceland in August
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in August →
perfect weather
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What to Wear in Akranes in August
Pack for changing conditions in Akranes in August. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 11°C (52°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Akranes in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Akranes's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Akranes climate overview or explore weather in Iceland.
