Weather in Kahului in August 2025
Average weather
Average temperature in Kahului in August
Going from a maximum of +90°F during the day to a minimum of +70°F during the night, the temperature in August averages around +86°F.
The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +86°F to +88°F.
Is Kahului warm or cold in August?
Kahului is typically warm in August.
Maximum temperatures go up compared to the previous month from +84°F to +84°F. The minimum temperature also goes up from +73°F to +73°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in Kahului, here is the comparison with other months:
Climate in Kahului in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +84°F | +84°F | +84°F | ||||
| Min. temperature | ||||||
| +64°F | +64°F | +64°F | ||||
| Max. temperature | ||||||
| +93°F | +93°F | +93°F | ||||
| Rainfall | ||||||
| 18 mm | 23 mm | 17 mm | ||||
| Wind | ||||||
| 5 m/s | 5 m/s | 4 m/s | ||||
| Humidity | ||||||
| 69% | 69% | 69% | ||||
| Air pressure | ||||||
| 1015 HPa | 1015 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 6 | 8 | 8 | ||||
| Cloudy days | ||||||
| 9 | 9 | 9 | ||||
| Rainy days | ||||||
| 16 | 15 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. The temperature levels stay the same in the area of +84°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 18 mm to 23 mm. Humidity levels don’t change as the month goes on, averaging around 69%. The average wind speed doesn’t change much during August, staying around 5 m/s. The good news is there are likely to be more sunny days in August, from 6 to 8.
But maybe it is worth considering traveling in September as the weather gets better.
Wind
The average wind speed is 7 m/s getting up to 11 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Kahului is gradually decreasing during August, going from 8 m/s to 7 m/s over the course of the month.
Rain
How was the weather last August in Kahului?
Climate Change Over the Years
The climate in Kahului in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+78°F) and the highest in 2014 (+85°F). The driest year was 1983 with only 175 mm of rainfall, and the wettest year was 1989 with 1105 mm.
FAQ
Is August a good time to visit Kahului?
Can you sunbathe in Kahului in August?
Is Kahului rainy in August?
Is it sunny in Kahului in August?
Other cities in USA
Monthly weather in Kahului
Source of the data
For this page, we’ve looked at the typical weather in Kahului, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
