Climate Overview
The climate in Kiunga is hot. The average annual temperature is 27°C and approximately 4475mm of precipitation falls per year. Kiunga receives a notable amount of rainfall throughout the year, including during its driest month. Kiunga sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Kiunga has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is January, when average highs reach 32°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Kiunga is a very wet location, receiving approximately 4475mm of precipitation annually, which averages out to around 373mm per month. The wettest month is April, averaging 498mm of rainfall. March and May also tend to see above-average precipitation. The driest month is August, with just 259mm. That's 239mm less than April, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Kiunga is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
2 days until Spring
It is currently winter in Kiunga, which began on June 21, 2026. Kiunga sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in January at around 32°C, while the coldest stretch bottoms out in August near 24°C. Spring is next, beginning on September 23, 2026 (2 days from now).
Spring
Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 1141mm across the season with a monthly average of 380mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 32°C. Rainfall is heavy, totalling around 1089mm across the season with a monthly average of 363mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 1425mm across the season with a monthly average of 475mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 821mm across the season with a monthly average of 274mm. Winds are generally light, averaging 6km/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 Kiunga 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.
