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

January weather forecast and climate
Hanapepe, HI

Ocean temperature

In January, the average ocean temperature in Hanapepe, Hawaii, is 76.8°F (24.9°C).
Note: 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 76.8°F (24.9°C).


In Hanapepe, the average length of the day in January is 11h.

What is the water temperature in January in Hanapepe?

In Hanapepe, Hawaii, in January, the average water temperature is 76.8°F (24.9°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.8°F (24.9°C) water.

How many hours of daylight does Hanapepe have in January?

The average length of the day in January in Hanapepe is 11h.
Average sea temperature in January - Hanapepe, HI
  • Average sea temperature in January: 76.8°F

The best month for swimming (with the highest average sea temperature) is September (80.5°F).
The coldest month (with the lowest average sea temperature) is March (75.4°F).

Average daylight in January - Hanapepe, HI
  • Average daylight in January: 11h

The month with the longest days is June (Average daylight: 13.5h).
The month with shortest days is December (Average daylight: 10.8h).