Is Diamond Head / Kapahulu / Saint Louis Heights hot in December?
Days are typically warm at 27.5°C, while nights average 20°C.
United States · 1991–2020 normal
Diamond Head / Kapahulu / Saint Louis Heights in
December.
Typical December weather in Diamond Head / Kapahulu / Saint Louis Heights: 27.5°C by day, 20°C at night, 76 mm of rain over 8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27.5°C
Typical low20°C
Rain76 mm
Wet days8
In the year-round weather comparison, December scores 69 out of 100 (February leads the year at 79). Daylight is calculated as 10 h 51 from latitude 21.28°. Open-water sea temperature is 25.1°C (13 km from the place centre).
December at a glance
What is Diamond Head / Kapahulu / Saint Louis Heights like in December?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 76 mm across about 8 wet days.
How much daylight is there?
There are about 10 h 51 between sunrise and sunset at mid-month, calculated from the place latitude.
Is December a good time to visit?
December ranks 6 of 12 in our weather comparison; February ranks first.
Event window
Warm sea in December
The nearest open-water NOAA OISST 1991–2020 cell averages 25.1°C in December. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5848322
- NOAA station
- USC00519397 · WAIKIKI 717.2
- Station distance
- 0.8 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Diamond Head / Kapahulu / Saint Louis Heights is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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