Temperatures in January
It's cold in January in Keflavík with an average temperature of 4°C. Temperatures this month range from a low of 2°C to a high of 7°C. At night, you can expect temperatures between -3°C and 1°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Keflavík in January. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of January
The month of January starts in Keflavík with very cold temperatures, averaging around 4°C during the day and nights close to 1°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
Mid-January
By mid-January, the average daytime temperature stays the same at 4°C, with nights close to 0°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
End of January
By the end of January, the average daytime temperature in Keflavík will be around 4°C, with nights close to -1°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days. Wear a thick winter coat, jumper, long trousers, hat, and gloves.
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Precipitation in January
In January, there is an average of 146 mm of precipitation, spread over 17 days. Of the total precipitation, about 25 cm falls as snow in January. The wind speed is around 6 Bft, mostly coming from the East.
Across the whole month, the average precipitation chance is 54% per day.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in January 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 January |
London | ||
|---|---|---|---|
 Average Temperature |
4°C | 8°C | |
 High Temp |
7°C | 9°C | |
| Low Temp |
2°C | 6°C | |
 Total Precipitation |
146 mm | 58 mm | |
| Rainy Days |
17 days | 9 days | |
 Total Snowfall |
25 cm | 0,8 cm | |
| Snowy Days |
12 days | 1 day | |
December
UV index
The UV index is a maximum of 1 this month. That's a low value on the intensity scale of 1 to 11. The risk of sunburn is minimal at this time.
Is January a good time to visit Keflavík?
After some sun? Then January isn’t the best time to be in Keflavík. There’s too much chance of rain this month.
Temperature records for Keflavík in January
With 10°C, Keflavík hit the highest temperature in the last 10 years in January 2019. 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 January in Keflavík
This chart shows the average daily temperatures, both day and night, for each day in January 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 January in Keflavík
The chart below shows the average daily precipitation in January 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 January, you can expect around 17 days of rain in Keflavík.
Daily Snowfall in January in Keflavík
This chart shows the average daily snowfall in January 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 January.
Daily UV Index in January in Keflavík
This chart shows the average daily UV index in January 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 January in Keflavík Over the Years
This chart shows the average temperature in January in Keflavík, measured in degrees Celsius, over the past years.
Total Precipitation in January in Keflavík Over the Years
This chart shows the average precipitation in January in Keflavík, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in January in Keflavík per year
This chart shows the average snowfall in January in Keflavík, measured in centimetres, over the past years.
Daily climate in January for Keflavík
Click on a specific day in January 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 January in Keflavík
Have you been to Keflavík in January?
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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.
