Lanai weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Good
Best time to visit: April – November
What is the weather like in Lanai in January?
In January, Lanai is warm: daytime highs average 21 °C, and nights cool down to about 19 °C. The sea averages 24.8 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain is rare: about 4 days bring 41 mm in total. All in all, January is a good month for a holiday in Lanai.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 79 | 74 | 74 |
| Day | 22° | 21° | 21° |
| Night | 20° | 19° | 19° |
| Sea | 25° | 25° | 24° |
| Sun | 8 h | 8 h | 8 h |
| Rain days | 4 | 4 | 3 |
More details for January
- Daylight
- 11 h 0 min07:07 – 18:06
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 9 daysdew point 18 °C or moreAll months
- Wind
- 26 km/haverage daily peakAll months
- Cloud cover
- 28 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−10Pacific/Honolulu
How the score comes together
- Temperatureweight 35 %40 %
- Seaweight 25 %100 %
- Sunshineweight 20 %78 %
- Few rainy daysweight 20 %99 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
Lanai in January: quick answers
Is Lanai hot in January?
Warm rather than hot: in January, daytime highs in Lanai average 21 °C and nights cool to about 19 °C.
Can you swim in Lanai in January?
Yes. In January the sea averages 24.8 °C – pleasant for swimming.
Does it rain much in Lanai in January?
Rain is rare: about 4 days bring 41 mm in total.
Lanai month by month
The whole year in LanaiAll destinations: USAHawaii weather in JanuaryWhere to go in JanuarySea temperature in January
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