Weather in May
In
May, the weather in
Kópavogur continues its upward trend in terms of warmth and daylight. The sea temperature progressively warms up, achieving a comforting 7.2°C (45°F). Increased daylight hours contribute to the perception of longer, warmer days, a welcome change from the receding cold months. Taking a peek at the horizon,
June appears to carry promising forecasts of longer daylight hours and warmer sea temperatures.
Sea temperature
In Kópavogur, the average seawater temperature in May is 7.2°C (45°F).
Note: Beware when you're in 7.2°C (45°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
In May, the average length of the day in Kópavogur is 18h and 29min.
On the first day of the month, sunrise is at 04:57 and sunset at 21:52. On the last day of May, sunrise is at 03:23 and sunset at 23:27 GMT.