Midway Atoll
Midway Island, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Midway Atoll, Midway Island, USA

May, the last month of the spring, in Midway Atoll, is a moderately hot 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 May, the average high-temperature is almost the same as in April - a warm 75.9°F (24.4°C). The average low-temperature, in Midway Atoll, Midway Island, is 68°F (20°C).

Rainfall

In Midway Atoll, it is raining for 9 days, with typically 2.3" (58.4mm) of accumulated precipitation. In Midway Atoll, during the entire year, the rain falls for 160 days and collects up to 41.3" (1048.9mm) of precipitation.

Ocean temperature

In Midway Atoll, the average water temperature 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

The average length of the day in Midway Atoll is 13.6h.

Sunshine

In Midway Atoll, the average sunshine is 17h.

UV index

In Midway Atoll, Midway Island, the average daily maximum UV index in May is 10. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 10 interpret into the following advice:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Protect yourself by liberally applying a sunscreen of at least 30 SPF. Sunscreen prevents sunburn and decreases the damaging effects of Sun's radiation on the immune system. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in May in Midway Atoll?

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

How much does it rain in Midway Atoll in May?

In Midway Atoll, in May, it is raining for 9 days, with typically 2.3" (58.4mm) of accumulated precipitation.

How warm is the water in May in Midway Atoll?

In Midway Atoll, Midway Island, the average seawater temperature in May 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 May, the average length of the day in Midway Atoll, Midway Island, is 13.6h.

How long on average sun shines in May in Midway Atoll?

The average sunshine in May is 17h.

What is the UV index intensity in May in Midway Atoll?

In May, the average daily maximum UV index in Midway Atoll is 10. A UV Index estimate of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in May - Midway Atoll, Midway Island, USA
  • Average high temperature in May: 76°F

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

  • Average low temperature in May: 68°F

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

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 lowest rainfall) is June (2.2").

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

Months with the highest number of rainy days are January and December (16 days).
Months with the lowest number of rainy days are May and June (9 days).

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

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

Average daylight in May / Average sunshine in May - Midway Atoll, Midway Island, USA
  • Average daylight in May: 13.6h

The month with the longest days is June (Average daylight: 13.9h).
The month with shortest days is December (Average daylight: 10.4h).

  • Average sunshine in May: 17h

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

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

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