Lanai weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Good
Best time to visit: April – November
What is the weather like in Lanai in December?
In December, Lanai is warm: daytime highs average 22 °C, and nights cool down to about 20 °C. The sea averages 25.4 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain is rare: about 4 days bring 46 mm in total. All in all, December is a good month for a holiday in Lanai.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 86 | 79 | 74 |
| Day | 23° | 22° | 21° |
| Night | 21° | 20° | 19° |
| Sea | 26° | 25° | 25° |
| Sun | 8 h | 8 h | 8 h |
| Rain days | 2 | 4 | 4 |
More details for December
- Daylight
- 10 h 53 min06:56 – 17:49
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 11 daysdew point 18 °C or moreAll months
- Wind
- 27 km/haverage daily peakAll months
- Cloud cover
- 33 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−10Pacific/Honolulu
How the score comes together
- Temperatureweight 35 %53 %
- Seaweight 25 %100 %
- Sunshineweight 20 %75 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Swimwear
- Sunscreen
Lanai in December: quick answers
Is Lanai hot in December?
Warm rather than hot: in December, daytime highs in Lanai average 22 °C and nights cool to about 20 °C.
Can you swim in Lanai in December?
Yes. In December the sea averages 25.4 °C – pleasant for swimming.
Does it rain much in Lanai in December?
Rain is rare: about 4 days bring 46 mm in total.
Lanai month by month
The whole year in LanaiAll destinations: USAHawaii weather in DecemberWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences