Borgarnes Weather in August
August in Borgarnes brings moderate temperatures, with highs of 15°C (59°F) and nights dropping to 9°C (48°F). Rainfall is on the higher side this month, averaging around 102 mm (4 in), so keep a rain jacket handy.
Rainfall in Borgarnes in August
Typically, about 17 days will experience rainfall, with an average of 102 mm (4 in) 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 Borgarnes in August
Temperatures in Borgarnes in August top out at 15°C (59°F) and drop to 9°C (48°F) overnight. August is part of summer. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Borgarnes in August
With about 154 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.For Borgarnes itself, June and July generally stand out with 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 Borgarnes's climate page.
Borgarnes Temperature in August
Min Temperature
9°C (48°F)
Max Temperature
15°C (59°F)
Chance of Rain
56%
Precipitation
102 mm (4 in)
Rainy days
17 days
Humidity
81% *
Sunshine
154 hours *
Percentage Sunshine
31% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Borgarnes typically stay consistent throughout August, with daily highs averaging around 15°C (59°F). Nights are cool, with lows typically ranging from 7°C (45°F) to 9°C (48°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 Borgarnes in August
Browse day-by-day weather records for Borgarnes spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Borgarnes historical weather extremes in August
According to our 49 years of weather records for Borgarnes, the following extremes were recorded between 1976 and 2025.
- Borgarnes recorded its highest August temperature of 25°C (77°F) on August 11, 2004.
- The lowest daytime temperature in August was 7°C (45°F), recorded on August 27, 1992.
- The coldest night in August in Borgarnes was on August 26, 2024, with a minimum of 1°C (34°F).
- The heaviest August precipitation occurred on August 31, 2014, when 45 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 →
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What to Wear in Borgarnes in August
Pack for changing conditions in Borgarnes 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Borgarnes 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 Borgarnes's climate page.
Temperature Rainfall Sunshine Humidity
See the full Borgarnes climate overview or explore weather in Iceland.
