Honolulu weather in December
December is one of the least pleasant months in Honolulu: highs of 25°C (77°F) and about 93 mm (3.7 in) of rain on average. Nights average 23°C (73°F) and cloud cover 54% (NASA POWER, 2001–2025 averages). The sea averages 26°C (78°F). It is the 2nd wettest month of the year and the 4th coolest. Compared with November, it is cooler and about as wet; January brings highs of 24°C (76°F) and 71 mm (2.8 in) of rain.
Is December a good time to visit Honolulu?
least pleasant month Weather score 74/100.
December is one of the least pleasant months for weather in Honolulu. For better conditions, consider May–Sep.
Does it rain a lot in Honolulu in December?
Some rain is normal: about 93 mm (3.7 in) falls in an average December. It is the 2nd wettest month of the year.
How warm is Honolulu in December?
Days average 25°C (77°F) and nights 23°C (73°F).
Honolulu weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 24°C (76°F) | 22°C (71°F) | 71 mm | 52% | 25°C (77°F) | fair |
| February | 24°C (75°F) | 21°C (70°F) | 82 mm | 57% | 25°C (77°F) | least pleasant |
| March | 24°C (76°F) | 21°C (71°F) | 94 mm | 61% | 25°C (76°F) | least pleasant |
| April | 25°C (77°F) | 22°C (72°F) | 54 mm | 58% | 25°C (76°F) | fair |
| May | 26°C (79°F) | 23°C (73°F) | 47 mm | 50% | 25°C (78°F) | best |
| June | 27°C (80°F) | 24°C (75°F) | 37 mm | 48% | 26°C (78°F) | best |
| July | 27°C (81°F) | 24°C (76°F) | 40 mm | 47% | 26°C (79°F) | best |
| August | 28°C (82°F) | 25°C (77°F) | 44 mm | 47% | 27°C (80°F) | best |
| September | 28°C (82°F) | 25°C (77°F) | 50 mm | 47% | 27°C (81°F) | best |
| October | 27°C (81°F) | 25°C (76°F) | 73 mm | 56% | 27°C (81°F) | fair |
| November | 26°C (79°F) | 24°C (74°F) | 86 mm | 58% | 26°C (79°F) | least pleasant |
| December | 25°C (77°F) | 23°C (73°F) | 93 mm | 54% | 26°C (78°F) | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months