Borgarnes Weather in August
What's the weather like in Borgarnes (West) in August 2025?
The climate in Borgarnes during August can be summarized as cool and reasonably dry.
August is in the summer in Borgarnes and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 6°C (43°F) is normal.
| Daytime temperature | 11.6°C 52.8°F |
|---|---|
| Nightly temperature | 5.9°C 42.5°F |
| Average temperature | 8.7°C 47.7°F |
| Daily sunshine | 5.3 hrs |
| Avg rainfall | 70 mm 2.8 ins |
| Rainy days | 17 days |
| Sea temperature | 10.4°C 50.7°F |
| Humidity | 82% |
| Windspeed | 15.5kph 10 mph |
On average August is the 5th driest month of the year in Borgarnes with around 70mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.3 hours of sunshine per day.
August temperatures in Borgarnes
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Borgarnes in August 2025.
Other monthly averages
Best places to visit in August
Borgarnes weather stats
| Hottest month: | July | 12°C 53.6°F |
|---|---|---|
| Driest month: | May | 47mm 1.9ins |
| Sunniest month: | May | 3hrs |
| Coldest month: | January | -0.4°C 31.3°F |
| Wettest month: | October | 100mm 3.9ins |
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