What’s the climate like in Keflavík?
The current climate of Keflavík features average monthly temperatures ranging from highs of 14°C during the day to lows of 3°C. 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.
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.
On average, Keflavík gets 1500 mm of precipitation each year. Of this, about 139 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
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.
Best time to visit Keflavík?
If you’re looking for warm and sunny weather, there aren’t really any specific months that are best to visit Keflavík. The temperatures are too low year-round, or there’s just too much precipitation.
Climate Table of Keflavík
The climate table of Keflavík shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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.
- Average yearly temperature: 8°C
- Highest temperature: 14°C in July
- Lowest temperature: 3°C in February and December
- Precipitation*: 1500 mm per year, averaging 125 mm per month
- Snowfall: 139 cm per year
- Driest months: 62 mm in July, 71 mm in June and 87 mm in May
- Wettest months: 213 mm in March, 171 mm in October and 153 mm in September
*Precipitation is measured as a combination of rain, snow, and hail
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Table of Contents
Average Temperature per Month in Keflavík
This graph shows the average maximum temperatures per month in Keflavík, Iceland. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Keflavík
This graph shows how much precipitation Keflavík, Iceland, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Keflavík
This graph shows how much snow Keflavík, Iceland, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Keflavík
This graph 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.
Yearly Temperature in Keflavík
This graph shows the average yearly temperature in Keflavík, Iceland. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Keflavík
This chart shows the total yearly precipitation in Keflavík, Iceland, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Keflavík
This chart shows the total yearly snowfall in Keflavík, Iceland, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
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.
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