Climate Overview
The climate in Kona International Airport is warm and mild. The average annual temperature is 24°C and approximately 1667mm of precipitation falls per year. Kona International Airport receives a notable amount of rainfall throughout the year, including during its driest month. Kona International Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, October. The coldest months are February, January, March, when temperatures can drop to 21°C.
Temperature
Kona International Airport has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is September, when average highs reach 27°C and the mean temperature sits around 25°C. February is the coolest month, with minimum temperatures around 21°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Kona International Airport is a fairly wet location, receiving approximately 1667mm of precipitation annually, which averages out to around 139mm per month. The wettest month is August, averaging 239mm of rainfall. June and July also tend to see above-average precipitation. The driest month is January, with just 69mm. That's 169mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Kona International Airport is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
94 days until Autumn
It is currently summer in Kona International Airport, which began on June 21, 2026. Kona International Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in September at around 27°C, while the coldest stretch bottoms out in February near 21°C. Autumn is next, beginning on September 23, 2026 — 94 days from now.
Spring
Temperatures range from 21 to 25°C. Rainfall is heavy, totalling around 403mm across the season with a monthly average of 134mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 26°C. Rainfall is heavy, totalling around 616mm across the season with a monthly average of 205mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 27°C. Rainfall is heavy, totalling around 360mm across the season with a monthly average of 120mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 24°C. Precipitation is moderate at around 288mm for the season, averaging 96mm per month. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Kona International Airport is during January, February, March and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 79mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 27°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Kona International Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
