August weather forecast
Midway Atoll, Midway Island, USA

August comes with only a minor drop in temperatures with recorded averages between 75°F (23.9°C) and 84°F (28.9°C) in Midway Atoll. The amount of rainfall increases up to 4.3" (109mm), making it the wettest month. The days are sunny and end with rain-showers in the evening. Despite occasional rain, the sea remains pleasantly warm. The transition from August to September brings about a considerable drop in temperature.

Temperature

The warmest months are August and September, with an average high-temperature of 84°F (28.9°C).

Rainfall

In August, in Midway Atoll, the rain falls for 15 days. Throughout August, 4.29" (109mm) of precipitation is accumulated. Throughout the year, there are 160 rainfall days, and 41.3" (1049mm) of precipitation is accumulated.

Ocean temperature

The months with the warmest seawater are August and September, with an average ocean temperature of 80.6°F (27°C).
Note: Ideal surface water temperatures for any water activity fall between 77°F (25°C) and 84.2°F (29°C), offering maximum enjoyment for lengthened periods.

Daylight

In Midway Atoll, the average length of the day in August is 13h and 7min.
On the first day of the month, sunrise is at 6:12 am and sunset at 7:39 pm. On the last day of August, in Midway Atoll, sunrise is at 6:27 am and sunset at 7:11 pm SST.

Sunshine

The average sunshine in August is 17h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 11. A UV Index of 11, and more, symbolizes an extreme threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 11 during August translates into the following recommendations:
Utilize every vital safety procedure. Individuals with light skin may endure burns in less than 5 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Enhance your sun protection with tightly woven, yet airy clothing. Despite the cloudy weather, sunscreen with a sun protection factor of at least 30 should be liberally applied and reapplied, including after a swim or outdoor activity. Warning! Sand and water reflections boost the intensity of UV exposure.