KeflavíkReport this photo · linked, not stored
Keflavík in May
The weather in May
In May, Keflavík averages daytime highs of 10° and night-time lows of 4° — cold weather by day. Expect around 79 mm of precipitation spread over about 13 wet days, with average cloud cover near 47%.
Days are 2.7° warmer than in April on average, and June is warmer again by about 3.1°. The sea averages 7°, too cold for most swimmers.
May scores 21/100 — poor conditions for sightseeing — and ranks 5th of the twelve months for Keflavík. For the most comfortable weather, consider June, July and August instead.
Around the middle of the month the sun rises at 04:18 and sets at 22:37 local time, giving 18 h 18 min of daylight. Days lengthen by 188 minutes over the month.
Why 21/100?
How the score for May is builtBeach score this month: 13/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Keflavík this month
Njarðvík
Iceland's best in May
.jpg){kind=link}
.jpg){kind=link}
.JPG){kind=link}
Keflavík in May: quick answers
Is May a good time to visit Keflavík?
May scores 21/100 for Keflavík, which we rate as poor. Average highs are 10°C with 13 wet days.
How warm is Keflavík in May?
Daytime highs average 10°C and night-time lows 4°C in May.
Does it rain a lot in Keflavík in May?
Keflavík receives about 79 mm of precipitation in May, falling on around 13 days.
Can you swim in Keflavík in May?
The sea averages 7°C in May, cold for most swimmers.