Honolulu, Hawaii 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
Excellent
Best time to visit: January – December
What is the weather like in Honolulu, Hawaii in January?
In January, Honolulu, Hawaii is warm: daytime highs average 25 °C, and even at night it stays warm at around 22 °C. The sea averages 24.6 °C – pleasant for swimming. The sun shines for around 9 hours a day. Rain falls on about 8 days, adding up to 44 mm. The air is often humid and muggy. All in all, January is an excellent month for a holiday in Honolulu, Hawaii.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 92 | 90 | 89 |
| Day | 25° | 25° | 24° |
| Night | 22° | 22° | 21° |
| Sea | 25° | 25° | 24° |
| Sun | 8 h | 9 h | 9 h |
| Rain days | 8 | 8 | 7 |
More details for January
- Daylight
- 10 h 58 min07:11 – 18:09
- UV index
- 6 · highclear sky, noon (estimate)
- Muggy days
- 15 daysdew point 18 °C or more
- Wind
- 21 km/haverage daily peak
- Cloud cover
- 41 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−10Pacific/Honolulu
How the score comes together
- Temperatureweight 35 %92 %
- Seaweight 25 %100 %
- Sunshineweight 20 %93 %
- Few rainy daysweight 20 %69 %
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
- Insect repellent
- Rain jacket or umbrella
Honolulu, Hawaii in January: quick answers
Is Honolulu, Hawaii hot in January?
Warm rather than hot: in January, daytime highs in Honolulu, Hawaii average 25 °C and nights cool to about 22 °C.
Can you swim in Honolulu, Hawaii in January?
Yes. In January the sea averages 24.6 °C – pleasant for swimming.
Does it rain much in Honolulu, Hawaii in January?
Rain falls on about 8 days, adding up to 44 mm.
Honolulu, Hawaii month by month
The whole year in Honolulu, HawaiiAll destinations: USA
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)