IcelandThe climate of Keflavík
The current climate in Keflavík features temperatures ranging from a high of 14°C to a low of 3°C throughout the year. The average yearly temperature is around 8°C. At night, temperatures in the colder months average around -2°C and in the warmer months around 9°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Keflavík, Iceland.
Temperature records
The highest temperature recorded in Keflavík in recent years was 22°C in August 2015. The lowest daytime temperature recorded was -9°C in December 2022.
Precipitation and snowfall
On average, Keflavík gets 1500 mm of precipitation each year. Of this, about 139 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Curious about the weather in other parts of Iceland? Check out the climate and weather for spots like Reykjavík, Vík, or explore other destinations in Iceland.
Best time to visit Keflavík?
If you're after warm and sunny weather, there aren’t really any specific months that are best to visit Keflavík. The temperatures are too low throughout the year, or there’s just too much precipitation.
Climate Table of Keflavík
The climate table of Keflavík shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 4 | 3 | 5 | 7 | 9 | 12 | 14 | 13 | 11 | 8 | 6 | 3 |
| Temp. min (°C) | 0 | -1 | 0 | 2 | 5 | 8 | 9 | 9 | 7 | 4 | 1 | -2 |
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| Precipitation (mm) | 146 | 111 | 213 | 118 | 87 | 71 | 62 | 95 | 153 | 171 | 133 | 140 |
| Snow (cm) | 24 | 34 | 30 | 10 | 0,5 | 0 | 0 | 0 | 0,1 | 3,3 | 8,4 | 27 |
| UV Index | 0 | 1 | 2 | 3 | 5 | 4 | 4 | 4 | 2 | 1 | 0 | 0 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Keflavík, Iceland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Keflavík
Yearly Temperature in Keflavík
Precipitation charts
These charts show the average amount of precipitation in Keflavík, 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.
Average Precipitation per Month in Keflavík
Total Yearly Precipitation in Keflavík
Average Snowfall per Month in Keflavík
Total Yearly Snowfall in Keflavík
UV index chart
This chart shows the average UV index per month in Keflavík, Iceland. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Keflavík
Weather experiences 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.