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Keflavík Weather and Climate: A Comprehensive Guide

Temperatures in Keflavík experience a moderate degree of variance through the seasons. Days can be mild, while the cooler months tend to be cold. It is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

The climate in Keflavík experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a moderate 14°C in July to a chilly 5°C in the coolest month, February.

Nights are cooler, with lows often dropping to around 0°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Keflavík has a notably wet climate with abundant precipitation, recording 1408 mm of rain/snowfall per year. Keflavík offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between September (149 mm) and June (77 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Keflavík serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 6.7 hours of sunshine daily, and embrace the darker days in January, offering only 0.7 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Reykjavík, Iceland (34 KM, 21 Miles).

Daily hours of sunshine

Data from: Reykjavík, Iceland (34 KM, 21 Miles).

Forecast for Keflavík

Sun   Jan 12
7°C | 4°C
SE 12 m/s
12 mm
overcast and heavy rain

overcast and heavy rain

Mon   Jan 13
6°C | 1°C
S 8 m/s
2 mm
overcast and rain

overcast and rain

Tue   Jan 14
8°C | 5°C
S 9 m/s
16 mm
overcast and heavy rain

overcast and heavy rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Keflavík in Iceland

Other facts from our historical weather data:
  • Which is the warmest month in Keflavík?
    July has an average maximum temperature of 14°C and is the warmest month of the year.
  • Which is the coldest month in Keflavík?
    The coldest month is February with an average maximum temperature of 5°C.
  • Which is the wettest month in Keflavík?
    September tops the wettest month list with 149 mm of rainfall.
  • Which is the driest month in Keflavík?
    June is the driest month with 77 mm of precipitation.
  • Which is the sunniest month in Keflavík?
    May is the sunniest month with an average of 201 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.