Verdict: Excellent month
Honolulu Weather in January
January hits the sweet spot in Honolulu — highs around 25°C (77°F), ideal for a full day on foot. Expect showers on roughly 9 days of the month — rarely trip-ruining, worth planning around. Overall, January is one of the best months of the year to be in Honolulu.
Average high
25°C / 77°F
Average low
20°C / 68°F
Rain days
~9
Precipitation
57 mm
What to pack for Honolulu in January
- Summer clothes, plus one light layer for air-con and evenings
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
January against the rest of the year
Warmest in Honolulu: Jul (29°C / 84°F) · Coolest: Jan (25°C / 77°F) · Wettest: Mar (~14 rain days)
25°
20°
Jan
25°
20°
Feb
25°
20°
Mar
26°
21°
Apr
27°
22°
May
28°
23°
Jun
29°
23°
Jul
29°
23°
Aug
29°
23°
Sep
29°
23°
Oct
27°
22°
Nov
26°
21°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)