Temperatures in March
It's cold in March in Keflavík with an average temperature of 5°C. Temperatures this month range from a low of 3°C to a high of 6°C. At night, you can expect temperatures between -2°C and 2°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Keflavík in March. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of March
The month of March starts in Keflavík with very cold temperatures, averaging around 4°C during the day and nights close to -1°C. Plenty of days with a chance of precipitation. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
Mid-March
By mid-March, the average daytime temperature rises to around 6°C, with nights close to 2°C. The chance of precipitation is high during this period.
End of March
By the end of March, the average daytime temperature in Keflavík will be around 5°C, with nights close to 1°C. There’s a significant chance of many days with precipitation. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
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Precipitation in March
In March, there is an average of 213 mm of precipitation, spread over 16 days. Of the total precipitation, about 31 cm falls as snow in March. The wind speed is around 6 Bft, mostly coming from the Southeast.
Across the whole month, the average precipitation chance is 52% per day. Though it seems average, the weather’s variable. Some days have a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in March 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 March |
London | ||
|---|---|---|---|
 Average Temperature |
5°C | 11°C | |
 High Temp |
6°C | 14°C | |
| Low Temp |
3°C | 8°C | |
 Total Precipitation |
213 mm | 55 mm | |
| Rainy Days |
16 days | 9 days | |
 Total Snowfall |
31 cm | 1,7 cm | |
| Snowy Days |
13 days | 1 day | |
February
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is March a good time to visit Keflavík?
After some sun? Then March isn’t the best time to be in Keflavík. There’s too much chance of rain this month.
Temperature records for Keflavík in March
With 10°C, Keflavík hit the highest temperature in the last 10 years in March 2016. The lowest daytime temperature in this month was -7°C in 2023. The extreme night temperatures ranged from a low of -11°C to a high of 7°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 March in Keflavík
This chart shows the average daily temperatures, both day and night, for each day in March 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 March in Keflavík
The chart below shows the average daily precipitation in March 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 March, you can expect around 16 days of rain in Keflavík.
Daily Snowfall in March in Keflavík
This chart shows the average daily snowfall in March in Keflavík, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in March.
Daily UV Index in March in Keflavík
This chart shows the average daily UV index in March 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 March in Keflavík Over the Years
This chart shows the average temperature in March in Keflavík, measured in degrees Celsius, over the past years.
Total Precipitation in March in Keflavík Over the Years
This chart shows the average precipitation in March in Keflavík, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in March in Keflavík per year
This chart shows the average snowfall in March in Keflavík, measured in centimetres, over the past years.
Daily climate in March for Keflavík
Click on a specific day in March 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 March 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.
