Ewa Beach
Hawaii, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Ewa Beach, HI

The last month of the summer, August, is another hot month in Ewa Beach, Hawaii, with temperature in the range of an average low of 71.4°F (21.9°C) and an average high of 88.3°F (31.3°C).
An excellent water temperature of 79.7°F (26.5°C) and 0.4" (10.2mm) of accumulated rainfall makes August a prime for swimming and other water activities.

Temperature

The warmest months in Ewa Beach are August and September, with an average high-temperature of 88.3°F (31.3°C).

Rainfall

June and August are months with the least rain in Ewa Beach when 0.4" (10.2mm) of rain is typically aggregated.

Ocean temperature

In August, the average ocean temperature is 79.7°F (26.5°C).
Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In Ewa Beach, the average length of the day in August is 12.8h.

What is the warmest month in Ewa Beach?

August and September, with an average high-temperature of 88.3°F (31.3°C), are warmest months in Ewa Beach, Hawaii.

What is the temperature in August in Ewa Beach?

The average high-temperature, in August, in Ewa Beach, is 88.3°F (31.3°C), while the average low-temperature is 71.4°F (21.9°C).

How much does it rain in Ewa Beach in August?

Throughout August, in Ewa Beach, 0.4" (10.2mm) of precipitation is accumulated.

What is the driest month in Ewa Beach?

June and August are months with the least rain in Ewa Beach, Hawaii, when 0.4" (10.2mm) of rain is typically aggregated.

How warm is the water in August in Ewa Beach?

In August, the average ocean temperature in Ewa Beach is 79.7°F (26.5°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Ewa Beach have in August?

The average length of the day in August is 12.8h.
Average temperature in August - Ewa Beach, HI
  • Average high temperature in August: 88.3°F

Warmest months (with the highest average high temperature) are August and September (88.3°F).
The month with the lowest average high temperature is January (80.5°F).

  • Average low temperature in August: 71.4°F

The month with the highest average low temperature is August (71.4°F).
The coldest month (with the lowest average low temperature) is February (62.7°F).

Average rainfall in August - Ewa Beach, HI
  • Average rainfall in August: 0.4"

The wettest month (with the highest rainfall) is December (3.3").
Driest months (with the lowest rainfall) are June and August (0.4").

Average sea temperature in August - Ewa Beach, HI
  • Average sea temperature in August: 79.6°F

The best month for swimming (with the highest average sea temperature) is September (80.6°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

Average daylight in August - Ewa Beach, HI
  • Average daylight in August: 12.8h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).