Climate Overview
The climate in Koani is hot. The average annual temperature is 27°C and approximately 1131mm of precipitation falls per year. April is the wettest month, receiving around 331mm of rainfall. Koani sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Koani has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is March, when average highs reach 29°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 23°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.
Precipitation
Koani is a moderately rainy area, receiving approximately 1131mm of precipitation annually, which averages out to around 94mm per month. The wettest month is April, averaging 331mm of rainfall. May and November also tend to see above-average precipitation. The driest month is September, with just 23mm. That's 308mm less than April, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Koani is moderately windy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 7km/h between the calmest and windiest months.
Seasons
89 days until Winter
It is currently autumn in Koani, which began on March 20, 2026. Koani sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 29°C, while the coldest stretch bottoms out in August near 23°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 24 to 29°C. Precipitation is moderate at around 216mm for the season, averaging 72mm per month. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 27 to 29°C. Precipitation is moderate at around 188mm for the season, averaging 63mm per month. Winds are moderate at around 22km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 629mm across the season with a monthly average of 210mm. Winds are moderate at around 20km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 28°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Winds are moderate at around 21km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Koani 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.
