Temperatures in August
It's cool in August in Keflavík with an average temperature of 13°C. Temperatures this month range from a low of 12°C to a high of 15°C. At night, you can expect temperatures between 8°C and 10°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Keflavík in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Keflavík with cool temperatures, averaging around 14°C during the day and nights close to 10°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-August
By mid-August, the average daytime temperature stays the same at 14°C, with nights close to 10°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of August
By the end of August, the average daytime temperature in Keflavík will be around 14°C, with nights close to 9°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
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Precipitation in August
In August, there is an average of 95 mm of precipitation, spread over 12 days. The wind speed is around 5 Bft, mostly coming from the South.
The average precipitation chance is 39% per day this month. The weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Keflavík. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Keflavík in August |
London | ||
|---|---|---|---|
 Average Temperature |
13°C | 22°C | |
 High Temp |
15°C | 24°C | |
| Low Temp |
12°C | 19°C | |
 Total Precipitation |
95 mm | 60 mm | |
| Rainy Days |
12 days | 10 days | |
July
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.
Temperature records for Keflavík in August
With 22°C, Keflavík hit the highest temperature in the last 10 years in August 2015. The lowest daytime temperature in this month was 9°C in 2015. The extreme night temperatures ranged from a low of 3°C to a high of 14°C.
Check out the climate of Keflavík for all months and discover the best travel time
Curious about the climate in other parts of Iceland? Check out the weather and climate in places like Reykjavík, Vík, or have a look at other destinations in Iceland.
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Daily Temperature in August in Keflavík
This chart shows the average daily temperatures, both day and night, for each day in August in Keflavík, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Keflavík
The chart below shows the average daily precipitation in August for Keflavík, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 12 days of rain in Keflavík.
Daily UV Index in August in Keflavík
This chart shows the average daily UV index in August in Keflavík, 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.
Temperature in August in Keflavík Over the Years
This chart shows the average temperature in August in Keflavík, measured in degrees Celsius, over the past years.
Total Precipitation in August in Keflavík Over the Years
This chart shows the average precipitation in August in Keflavík, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Keflavík
Click on a specific day in August for detailed info on the typical weather on that day in Keflavík. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Keflavík
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Average Weather in Keflavík by Month
Click on a month below to see detailed weather info for Keflavík. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
