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Reykjavík in May
The weather in May
In May, Reykjavík averages daytime highs of 11° and night-time lows of 4° — cool weather by day. Expect around 80 mm of precipitation spread over about 15 wet days, with average cloud cover near 49%.
Days are 3.4° warmer than in April on average, and June is warmer again by about 2.8°. The sea averages 7°, too cold for most swimmers.
May scores 20/100 — poor conditions for sightseeing — and ranks 5th of the twelve months for Reykjavík. For the most comfortable weather, consider June, July and August instead.
Around the middle of the month the sun rises at 04:14 and sets at 22:35 local time, giving 18 h 21 min of daylight. Days lengthen by 190 minutes over the month.
Why 20/100?
How the score for May is builtBeach score this month: 10/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Reykjavík this month
Keflavík
Iceland's best in May
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Keflavík
Reykjavík in May: quick answers
Is May a good time to visit Reykjavík?
May scores 20/100 for Reykjavík, which we rate as poor. Average highs are 11°C with 15 wet days.
How warm is Reykjavík in May?
Daytime highs average 11°C and night-time lows 4°C in May.
Does it rain a lot in Reykjavík in May?
Reykjavík receives about 80 mm of precipitation in May, falling on around 15 days.
Can you swim in Reykjavík in May?
The sea averages 7°C in May, cold for most swimmers.