May weather forecast
Kópavogur, Iceland

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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.

Frequently asked questions

How cold is the water in May in Kópavogur?

In Kópavogur, Iceland, the average seawater temperature in May is 7.2°C (45°F). Swimming in 7.2°C (45°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in May in Kópavogur?

In Kópavogur, Iceland, the average day length in May is 18h and 29min.

When are sunrise and sunset in May in Kópavogur?

In May, on the first day of the month, sunrise is at 04:57 and sunset at 21:52. On the last day of the month, sunrise is at 03:23 and sunset at 23:27 GMT.

Average sea temperature in May
Kópavogur, Iceland

Average sea temperature in May - Kópavogur, Iceland
  • Average sea temperature in May: 7.2°C

The best month for swimming (with the highest average sea temperature) is July (11.4°C).
The coldest month (with the lowest average sea temperature) is March (5.1°C).

Average daylight in May
Kópavogur, Iceland

Average daylight in May - Kópavogur, Iceland
  • Average daylight in May: 18h and 3min

The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).

Kópavogur, Iceland

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