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

Monthly weather forecast and climate
Ewa Beach, HI

January, the same as December, is another warm winter month in Ewa Beach, Hawaii, with average temperature varying between 80.4°F (26.9°C) and 63.1°F (17.3°C). January is the coldest month, with an average high-temperature of 80.4°F (26.9°C) and an average low-temperature of 63.1°F (17.3°C). Weather in January »
The last month of the winter, February, is another warm month in Ewa Beach, Hawaii, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 62.8°F (17.1°C). In February, the average high-temperature is relatively the same as in January - a still warm 80.6°F (27°C). Weather in February »

March, the first month of the spring, in Ewa Beach, is also a moderately hot month, with average temperature varying between 64.4°F (18°C) and 81.3°F (27.4°C). In Ewa Beach, the average high-temperature is relatively the same as in February - a still warm 81.3°F (27.4°C). Weather in March »

April, like March, in Ewa Beach, Hawaii, is another warm spring month, with average temperature varying between 82.9°F (28.3°C) and 66.2°F (19°C). In Ewa Beach, the average high-temperature in April is practically the same as in March - a still moderately hot 82.9°F (28.3°C). Weather in April »

The last month of the spring, May, is also a moderately hot month in Ewa Beach, Hawaii, with average temperature varying between 67.5°F (19.7°C) and 84.4°F (29.1°C). In Ewa Beach, the average high-temperature in May is essentially the same as in April - a still moderately hot 84.4°F (29.1°C). Weather in May »

The first month of the summer, June, is a hot month in Ewa Beach, Hawaii, with average temperature fluctuating between 86.5°F (30.3°C) and 69.8°F (21°C). In June, the average high-temperature is almost the same as in May - a tropical 86.5°F (30.3°C). Weather in June »

July, like June, is another hot summer month in Ewa Beach, Hawaii, with average temperature ranging between max 87.6°F (30.9°C) and min 71.1°F (21.7°C). In Ewa Beach, the average high-temperature in July is relatively the same as in June - a still hot 87.6°F (30.9°C). Weather in July »

August, the last month of the summer, in Ewa Beach, is another hot month, 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). The warmest months are August and September, with an average high-temperature of 88.3°F (31.3°C). Weather in August »

September, the first month of the autumn, in Ewa Beach, is still a tropical month, with average temperature varying between 88.3°F (31.3°C) and 70.3°F (21.3°C). The warmest months are August and September, with an average high-temperature of 88.3°F (31.3°C). Weather in September »

October, the same as September, in Ewa Beach, Hawaii, is another hot autumn month, with average temperature fluctuating between 86.7°F (30.4°C) and 69.6°F (20.9°C). In Ewa Beach, the average high-temperature is almost the same as in September - a still hot 86.7°F (30.4°C). Weather in October »

November, the last month of the autumn, in Ewa Beach, is another warm month, with average temperature fluctuating between 84.2°F (29°C) and 67.8°F (19.9°C). In Ewa Beach, the average high-temperature is essentially the same as in October - a moderately hot 84.2°F (29°C). Weather in November »

December, the first month of the winter, in Ewa Beach, is still a warm month, with average temperature varying between 65.3°F (18.5°C) and 81.7°F (27.6°C). In December, the average high-temperature is almost the same as in November - a still warm 81.7°F (27.6°C). Weather in December »

What is the coldest month in Ewa Beach?

With an average high-temperature of 80.4°F (26.9°C) and an average low-temperature of 63.1°F (17.3°C), January is the coldest month.

How much does it rain in Ewa Beach?

Throughout the year, in Ewa Beach, Hawaii, 19.7" (500.5mm) of rain is accumulated.

What is the month with the coldest ocean in Ewa Beach?

March is the month with the coldest seawater in Ewa Beach, Hawaii, with an average ocean temperature of 75.7°F (24.3°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 75.7°F (24.3°C).

What is the driest month in Ewa Beach?

Months with the least rainfall are June and August with 0.4" (10.2mm) of accumulated rain.

When are the longest days in Ewa Beach?

June has the longest days of the year, with an average of 13.4h of daylight.

What are the warmest months in Ewa Beach?

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

What is the month with the warmest ocean in Ewa Beach?

The month with the warmest seawater in Ewa Beach is September, with an average ocean temperature of 80.6°F (27°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the wettest month in Ewa Beach?

December is the month with the most rainfall, with 3.3" (83.8mm) of accumulated precipitation.

What is the month with the shortest days in Ewa Beach?

With an average of 10.9h of daylight, December has the shortest days of the year in Ewa Beach.
Average temperature - Ewa Beach, HI
Average rainfall - Ewa Beach, HI
Average sea temperature - Ewa Beach, HI

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 - Ewa Beach, HI

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