Kailua, Oahu weather in January

Check the Weather in Kailua, Oahu, Hawaii in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall.

  • 26°C maximum daytime temperature in January in Kailua, Oahu26
    26°C max day temperature
  • 7 hours of sunshine per day (63% of daylight hours) in January in Kailua, Oahu7
    7 hours of sunshine per day
  • 10 days with some rainfall in January in Kailua, Oahu10
    10 days with some rainfall
  • 18°C minimum night-time temperature in January in Kailua, Oahu18
    18°C min night temperature
  • 11 hours of daylight per day in January in Kailua, Oahu11
    11 hours of daylight per day
  • Low heat & humidity in January in Kailua, OahuL
    Low heat & humidity
  • 203 mm monthly rainfall in January in Kailua, Oahu203
    203 mm of monthly rainfall
  • UV (maximum) index 7 (High) in January in Kailua, Oahu7
    7 (High) UV index
  • 24°C sea temperature in January in Kailua, Oahu24
    24°C sea temperature

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Metric (°C / mm)  |  Imperial (°F / inches)

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