May weather forecast
Vestmannaeyjar, Iceland

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May

Weather in May

Vestmannaeyjar, Iceland, embraces May with a definitive break from the chilling winter months. The average sea temperature experiences a slight but noticeable increase relative to April. May promises longer daylight hours, which complement the increase in daily high temperatures. However, the arrival of June will bring substantially warmer temperatures compared to May. As the last vestiges of winter recede, residents are able to enjoy the ever-lengthening days and an expanding palette of colors that dress the landscape.

Temperature

May's climate shows a minor adjustment in average high-temperatures to a frosty 8°C (46.4°F) from April's 5.5°C (41.9°F). Vestmannaeyjar's nighttime temperatures in May see a subtle dip to an average of 4.2°C (39.6°F).

Rainfall

In Vestmannaeyjar, during May, the rain falls for 13.5 days and regularly aggregates up to 105mm (4.13") of precipitation. In Vestmannaeyjar, during the entire year, the rain falls for 190 days and collects up to 1588mm (62.52") of precipitation.

Sea temperature

In May, the average sea temperature in Vestmannaeyjar is 8.3°C (46.9°F).
Note: If planning to swim in 8.3°C (46.9°F) under 10°C (50°F), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 13°C (55.4°F) is not much warmer.

Daylight

The average length of the day in May in Vestmannaeyjar is 18h and 14min.
On the first day of May in Vestmannaeyjar, sunrise is at 04:55 and sunset at 21:40. On the last day of the month, sunrise is at 03:28 and sunset at 23:09 GMT.
Updated: Feb 10, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Vestmannaeyjar?
In May, in Vestmannaeyjar, the average high-temperature is 8°C (46.4°F), and the average low-temperature is 4.2°C (39.6°F).
How many days does it rain in May in Vestmannaeyjar?
In Vestmannaeyjar, Iceland, in May, it is raining for 13.5 days, with typically 105mm (4.13") of accumulated precipitation.
What is the sea water temperature in May in Vestmannaeyjar?
In Vestmannaeyjar, in May, the average water temperature is 8.3°C (46.9°F). Swimming in 8.3°C (46.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
How many hours of daylight does Vestmannaeyjar have in May?
In Vestmannaeyjar, Iceland, the average day length in May is 18h and 14min.
When is the sunrise / sunset in May in Vestmannaeyjar?
On the first day of May in Vestmannaeyjar, sunrise is at 04:55 and sunset at 21:40. On the last day of the month, sunrise is at 03:28 and sunset at 23:09 GMT.
Today
Tomorrow
Long-term
YearJFMAMayJJASOND
Apr
May
Jun
Average high temperature
5.5°C
8°C
10°C
Average low temperature
1.6°C
4.2°C
6.6°C
Average rainfall
116.5mm
105.4mm
102.2mm
Average rainfall days
15.5
13.5
14.1
Average sea temperature
7.6°C
8.3°C
9.9°C
Average daylight
15h 0min
18h 1min
20h 2min
Average temperature in May
Vestmannaeyjar, Iceland
  • Average high temperature in May: 8°C

The warmest month (with the highest average high temperature) is July (11.7°C).
The month with the lowest average high temperature is January (3.4°C).

  • Average low temperature in May: 4.2°C

The month with the highest average low temperature is August (8.2°C).
The coldest months (with the lowest average low temperature) are January and December (-0.6°C).

Average rainfall in May
Vestmannaeyjar, Iceland
  • Average rainfall in May: 105.4mm

The wettest month (with the highest rainfall) is October (161.5mm).
The driest month (with the least rainfall) is July (94.9mm).

Average rainfall days in May
Vestmannaeyjar, Iceland
  • Average rainfall days in May: 13.5 days

The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is July (13.2 days).

Average sea temperature in May
Vestmannaeyjar, Iceland
  • Average sea temperature in May: 8.3°C

The best months for swimming (with the highest average sea temperature) are July and August (11.7°C).
The coldest months (with the lowest average sea temperature) are January and March (7.3°C).

Average daylight in May
Vestmannaeyjar, Iceland
  • Average daylight in May: 18h and 1min

The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).

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