May weather forecast
Midway Atoll, Midway Island, USA

Weather in May

May, the last month of the spring in Midway Atoll, is a warm month, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 68°F (20°C).

Temperature

In Midway Atoll, the average high-temperature in May is practically the same as in April - a warm 75.9°F (24.4°C). In Midway Atoll, the average low-temperature is 68°F (20°C).

Rainfall

In May, in Midway Atoll, the rain falls for 9 days. Throughout May, 2.28" (58mm) of precipitation is accumulated. In Midway Atoll, during the entire year, the rain falls for 160 days and collects up to 41.3" (1049mm) of precipitation.

Ocean temperature

In Midway Atoll, Midway Island, the average seawater temperature in May is 71.6°F (22°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 71.6°F (22°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In May, the average length of the day in Midway Atoll is 13h and 34min.
On the first day of the month, sunrise is at 6:08 am and sunset at 7:24 pm. On the last day of May, sunrise is at 5:52 am and sunset at 7:41 pm SST.

Sunshine

In May, the average sunshine in Midway Atoll is 17h.

UV index

The average daily maximum UV index in May is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 10 in May transform into the following instructions:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Midway Atoll?

In Midway Atoll, Midway Island, in May, the average high-temperature is 75.9°F (24.4°C), and the average low-temperature is 68°F (20°C).

How many days does it rain in May in Midway Atoll?

In Midway Atoll, in May, it is raining for 9 days, with typically 2.28" (58mm) of accumulated precipitation.

What is the ocean temperature in May in Midway Atoll?

In Midway Atoll, in May, the average water temperature is 71.6°F (22°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 71.6°F (22°C) water.

What is the average length of the day in May in Midway Atoll?

In Midway Atoll, the average day length in May is 13h and 34min.

When are sunrise and sunset in May in Midway Atoll?

In May, on the first day of the month, sunrise is at 6:08 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:41 pm SST.

How many hours of sunshine does Midway Atoll have in May?

In May, the average sunshine duration is 17h.

How high is the UV index in May in Midway Atoll?

In May, the average daily maximum UV index in Midway Atoll, Midway Island, is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to UV radiation.
Average rainfall days
Average sunshine
Average UV index

Average temperature in May
Midway Atoll, Midway Island, USA

Average temperature in May - Midway Atoll, Midway Island, USA
  • Average high temperature in May: 76°F

The warmest months (with the highest average high temperature) are August and September (84°F).
The months with the lowest average high temperature are January and February (70°F).

  • Average low temperature in May: 68°F

The months with the highest average low temperature are July, August and September (75°F).
The coldest months (with the lowest average low temperature) are January and February (62°F).

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Average rainfall in May
Midway Atoll, Midway Island, USA

Average rainfall in May - Midway Atoll, Midway Island, USA
  • Average rainfall in May: 2.3"

The wettest month (with the highest rainfall) is January (5").
The driest month (with the least rainfall) is June (2.2").

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Average rainfall days in May
Midway Atoll, Midway Island, USA

Average rainfall days in May - Midway Atoll, Midway Island, USA
  • Average rainfall days in May: 9 days

The months with the highest number of rainy days are January and December (16 days).
The months with the least rainy days are May and June (9 days).

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Average sea temperature in May
Midway Atoll, Midway Island, USA

Average sea temperature in May - Midway Atoll, Midway Island, USA
  • Average sea temperature in May: 72°F

The best months for swimming (with the highest average sea temperature) are August and September (81°F).
The coldest months (with the lowest average sea temperature) are January, February and March (68°F).

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Average daylight in May /
Average sunshine in May
Midway Atoll, Midway Island, USA

Average daylight in May / Average sunshine in May - Midway Atoll, Midway Island, USA
  • Average daylight in May: 13h and 34min

The month with the longest days is June (Average daylight: 13h and 55min).
The month with the shortest days is December (Average daylight: 10h and 23min).

  • Average sunshine in May: 17h

The months with the most sunshine are July, September and October (Average sunshine: 18h).
The months with the least sunshine are January and February (Average sunshine: 14h).

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Average UV index in May
Midway Atoll, Midway Island, USA

Average UV index in May - Midway Atoll, Midway Island, USA
  • Average UV index in May: 10

The months with the highest UV index are June, July and August (UV index 11).
The months with the lowest UV index are January and December (UV index 5).

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