Monthly weather forecast and climate
Aiea, HI

How much does it rain in Aiea?

During the entire year, Aiea aggregates up to 26.8" (680.8mm) of precipitation.

What is the rainiest month in Aiea?

The month with the most rainfall is January when 3.5" (88.9mm) of precipitation is typically aggregated.

What is the driest month in Aiea?

August is the month with the least rainfall, with 0.8" (20.3mm) of accumulated precipitation.

What is the warmest month in Aiea?

With an average high-temperature of 86.7°F (30.4°C) and an average low-temperature of 72°F (22.2°C), September is the warmest month.

What is the coldest month in Aiea?

With an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 63.1°F (17.3°C), December is the coldest month in Aiea, Hawaii.
Average temperature - Aiea, HI
Average rainfall - Aiea, HI
Average sea temperature - Aiea, HI

The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

Average daylight - Aiea, HI

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.8h).

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