Monthly climate guide
Kahului weather in July
July in Kahului is typically warm, with average daytime highs around 26°C (78°F) and night-time lows near 24°C (75°F). The month usually brings about 44 mm of rain (fairly dry) and is a mix of sun and cloud. Daytime highs are about the same as June and about the same as August.
What stands out in July
- Nights stay warm, rarely below 24°C — air-conditioning helps.
- Humidity near 80% makes 26°C feel stickier than it sounds.
- Just 150 km apart, but Kahului runs about 2°C cooler than Honolulu this month.
- There's little difference between day and night (around 2°C).
Avg high
26°C
78°F
Avg low
24°C
75°F
Rainfall
44 mm
fairly dry
Humidity
80%
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 July
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
- Quick-dry fabrics — it feels stickier than the temperature suggests
Is July 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 July
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Kahului weather in July. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/kahului/july
<a href="https://weathercompare.eu/weather/usa/kahului/july">Kahului weather in July</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 July"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/kahului/july">Kahului weather in July</a> – WeatherCompare</p>
Kahului in July: quick answers
Is July a good time to visit Kahului?
July is a reasonable time for Kahului: highs around 26°C and about 44 mm of rain, though not one of the three best months.
How warm is Kahului in July?
Average highs are about 26°C (78°F) and average lows about 24°C (75°F), based on 10 years of daily data.
Does it rain a lot in Kahului in July?
Kahului typically gets around 44 mm of rain in July — fairly dry.
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.