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

October weather forecast and climate
Ewa Beach, HI

October, like September, is another tropical autumn month in Ewa Beach, Hawaii, with average temperature fluctuating between 69.6°F (20.9°C) and 86.7°F (30.4°C).
An excellent water temperature of 79.9°F (26.6°C) and 1.9" (48.3mm) of accumulated rainfall makes October a prime for swimming and other water activities.

Temperature

In Ewa Beach, the average high-temperature in October is essentially the same as in September - a still hot 86.7°F (30.4°C). The average low-temperature, in Ewa Beach, Hawaii, is 69.6°F (20.9°C).

Rainfall

In Ewa Beach, 1.9" (48.3mm) of precipitation is typically accumulated. During the entire year, Ewa Beach aggregates up to 19.7" (500.5mm) of precipitation.

Ocean temperature

In October, the average ocean temperature is 79.9°F (26.6°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 October, the average length of the day in Ewa Beach, Hawaii, is 11.6h.

What is the temperature in October in Ewa Beach?

The average high-temperature, in October, in Ewa Beach, is 86.7°F (30.4°C), while the average low-temperature is 69.6°F (20.9°C).

How much does it rain in Ewa Beach in October?

In Ewa Beach, in October, 1.9" (48.3mm) of precipitation is typically accumulated.

What is the water temperature in October in Ewa Beach?

In Ewa Beach, Hawaii, the average seawater temperature in October is 79.9°F (26.6°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.

What is the average length of the day in October in Ewa Beach?

In October, the average length of the day in Ewa Beach, Hawaii, is 11.6h.
Average temperature in October - Ewa Beach, HI
  • Average high temperature in October: 86.7°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 October: 69.6°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 October - Ewa Beach, HI
  • Average rainfall in October: 1.9"

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 October - Ewa Beach, HI
  • Average sea temperature in October: 79.9°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 October - Ewa Beach, HI
  • Average daylight in October: 11.6h

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