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The weather in August in Iceland
It's cool in August in Iceland with an average temperature of 11°C. Temperatures this month range from a low of 9°C to a high of 13°C. At night, you can expect temperatures between 3°C and 5°C.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Iceland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 21°C in 2020, Iceland reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was -1°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 12°C.
Precipitation and snowfall
In August, there is an average of 89 mm of precipitation, spread over 11 days. Of the total precipitation, about 2,5 cm falls as snow in August. The wind speed is around 5 Bft, mostly coming from the South.
Daily weather in August for Iceland
Click on any day in August to get detailed info about the usual weather on that day in Iceland. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Iceland | New York | |
|---|---|---|
| Average temperature | 11°C | 30°C |
| Max. temperature | 13°C | 31°C |
| Min. temperature | 3°C | -5°C |
| Total precipitation | 89 mm | 79 mm |
| Rainy days | 11 days | 13 days |
| Total snowfall | 2,5 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of August
The month of August starts in Iceland with cold temps, averaging around 11°C during the day and nights around 5°C.
Mid August
By mid-August, daytime temps stay steady at around 11°C, with nights around 5°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of August
By the end of August, the average daytime temperature in Iceland is around 11°C, while nighttime temps are about 5°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Iceland for all months and discover the best travel time
The climate in Iceland is based on weather data from Reykjavík. Other places, like VíkHúsavík, might have different weather. You can check out all destinations in Iceland to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in August in Iceland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Iceland
Temperature in August in Iceland over the years
Precipitation charts
These charts show the average amount of precipitation in August in Iceland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Iceland
Total precipitation in August in Iceland over the years
Daily Snowfall in August in Iceland
Snowfall in August in Iceland per year
Daily UV index in August in Iceland
This chart shows the average daily UV index in August in Iceland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Iceland
The weather in August in Iceland is rated 4 out of 5 stars by 1 visitor. Have you been to Iceland? Share your weather experience to help other visitors.
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The occasional rain showers were part of it and gave our party character and created beautiful rainbows.— This text is automatically translated to English
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Average weather in Iceland by month
Click on a month below to see detailed weather info for Iceland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.