Monthly climate guide
Kahului weather in January
Expect warm weather in Kahului in January: afternoons reach about 23°C (74°F), while nights drop to around 22°C (71°F). Around 57 mm of rain falls over the month (some rain), and skies are a mix of sun and cloud. Daytime highs are about the same as December and about the same as February.
What stands out in January
- Only 2 months are cooler in Kahului than January.
- Compared with Virginia Beach, Kahului runs roughly 16°C warmer this month.
- There's little difference between day and night (around 2°C).
- Skies are at their clearest this time of year.
Avg high
23°C
74°F
Avg low
22°C
71°F
Rainfall
57 mm
some rain
Humidity
78%
relative
Sky
40%
cloud · a mix of sun and cloud
Kahului weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 23°C / 74°F | 22°C / 71°F | 57 mm | 78% | 40% |
| February | 23°C / 74°F | 21°C / 71°F | 71 mm | 79% | 48% |
| March | 23°C / 74°F | 21°C / 70°F | 93 mm | 79% | 53% |
| April | 24°C / 75°F | 22°C / 72°F | 60 mm | 80% | 48% |
| May | 24°C / 76°F | 23°C / 73°F | 50 mm | 80% | 43% |
| June | 25°C / 77°F | 23°C / 74°F | 37 mm | 80% | 44% |
| July | 26°C / 78°F | 24°C / 75°F | 44 mm | 80% | 40% |
| August | 26°C / 79°F | 24°C / 76°F | 54 mm | 80% | 38% |
| September | 26°C / 79°F | 25°C / 76°F | 52 mm | 79% | 41% |
| October | 26°C / 79°F | 24°C / 76°F | 65 mm | 80% | 46% |
| November | 25°C / 77°F | 23°C / 74°F | 70 mm | 79% | 49% |
| December | 24°C / 75°F | 22°C / 72°F | 75 mm | 80% | 46% |
What to pack for January
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is January a good time to visit Kahului?
Compare the months in the chart above to find your ideal window.
Best time to visit Kahului →Other United States cities in January
Cite or embed this data
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Kahului weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/kahului/january
<a href="https://weathercompare.eu/weather/usa/kahului/january">Kahului weather in January</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/kahului" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Kahului weather in January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/kahului/january">Kahului weather in January</a> – WeatherCompare</p>
Kahului in January: quick answers
Is January a good time to visit Kahului?
Yes. January is one of the best months for Kahului, with highs around 23°C and about 57 mm of rain.
How warm is Kahului in January?
Average highs are about 23°C (74°F) and average lows about 22°C (71°F), based on 10 years of daily data.
Does it rain a lot in Kahului in January?
Kahului typically gets around 57 mm of rain in January — some rain.
Figures are long-term averages for the area around Kahului (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.