Weather in Kona in August 2025
- August is usually the hottest month of the year in Kona;
- August is usually the wettest month of the year in Kona;
Average weather
Average temperature in Kona in August
Going from a maximum of +88°F during the day to a minimum of +72°F during the night, the temperature in August averages around +84°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +84°F to +84°F.
Is Kona warm or cold in August?
Kona is typically warm in August.
Maximum temperatures go up compared to the previous month from +84°F to +86°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 the hottest month in Kona, here is the comparison with other months:
Climate in Kona in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +84°F | +86°F | +84°F | ||||
| Min. temperature | ||||||
| +68°F | +68°F | +66°F | ||||
| Max. temperature | ||||||
| +93°F | +93°F | +91°F | ||||
| Rainfall | ||||||
| 381 mm | 375 mm | 319 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 76% | 76% | 75% | ||||
| Air pressure | ||||||
| 1015 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 0 | 0 | 0 | ||||
| Rainy days | ||||||
| 31 | 31 | 29 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +84°F to +86°F during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 381 mm to 375 mm. Humidity levels don’t change as the month goes on, averaging around 76%. The average wind speed doesn’t change much during August, staying around 2 m/s. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Kona is gradually increasing during August, going from 2 m/s to 3 m/s over the course of the month.
Rain
How was the weather last August in Kona?
Climate Change Over the Years
The climate in Kona in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+81°F) and the highest in 2016 (+85°F). The driest year was 1995 with only 2087 mm of rainfall, and the wettest year was 2023 with 4848 mm.
FAQ
Is August a good time to visit Kona?
Can you sunbathe in Kona in August?
Is Kona rainy in August?
Is it sunny in Kona in August?
Other cities in USA
Monthly weather in Kona
Source of the data
For this page, we’ve looked at the typical weather in Kona, 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.
