Kailua-Kona (HI) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kailua-Kona.
Climate overview of Kailua-Kona
Kailua-Kona, Hawaii, United States of America, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 24°C (75°F), peaking in August at 26°C (79°F) and dipping in February to 23°C (73°F).
The city receives considerable rainfall, with around 3314 mm (130 in) annually. July is the wettest month. June is the sunniest month, averaging 9.7 hours of sunshine per day.
Kailua-Kona Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kailua-Kona - and find the best time to visit.
Monthly Temperature in Kailua-Kona
With minimal seasonal shifts, Kailua-Kona experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a comfortable 26°C (79°F) in August to a comfortable 23°C (73°F) in the coolest month, February.
Nights vary from 22°C (72°F) in August to around 19°C (66°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kailua-Kona
Kailua-Kona has a notably wet climate with abundant precipitation, recording 3314 mm (130 in) of rainfall per year. The climate in Kailua-Kona shows significant variation throughout the year. Expect heavy rainfall in July, the wettest month, with an average of 432 mm (17 in) of precipitation over 19 rainy days.
In contrast, the driest month January offers drier and sunnier days, with around 137 mm (5.4 in) of rainfall over 15 rainy days. For more details, please visit our Kailua-Kona Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Kailua-Kona
Kailua-Kona offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between June (9.7 hours daily) and February (6.8 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Kailua-Kona
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, February and December
- Warmest weather: June, July, August, September, October and November
- Most sunshine: June, July and August
Frequently asked questions about the climate in Kailua-Kona
What is the best time to visit Kailua-Kona?
January, February and December typically offer the most optimal weather in Kailua-Kona. In contrast, April, May, June, July, August, September and October tend to have less optimal conditions.
What temperatures can I expect in Kailua-Kona?
Daytime highs range from 23°C (73°F) in February to 26°C (79°F) in August. Nighttime lows range from 19°C (66°F) to 22°C (72°F). Temperatures stay relatively stable year-round.
How much rain does Kailua-Kona get?
Annual rainfall is around 3314 mm (130 in). July is the wettest month with 432 mm (17 in), while January is the driest with 137 mm (5.4 in).
How sunny is Kailua-Kona?
Kailua-Kona receives around 2,965 hours of sunshine per year. June is the sunniest month with 290 hours, while February is the cloudiest with just 205 hours. Overall, Kailua-Kona enjoys abundant sunshine.
Kailua-Kona 3-Day Forecast
Kailua-Kona (HI) 3-Day Forecast
Kailua-Kona on the map
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