Climate Overview
The climate in Ulawa Airport is hot. The average annual temperature is 27°C and approximately 4686mm of precipitation falls per year. Ulawa Airport receives a notable amount of rainfall throughout the year, including during its driest month. Ulawa Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Ulawa Airport has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is January, when average highs reach 29°C and the mean temperature sits around 28°C. September is the coolest month, with minimum temperatures around 26°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Ulawa Airport is a very wet location, receiving approximately 4686mm of precipitation annually, which averages out to around 390mm per month. The wettest month is April, averaging 444mm of rainfall. July and August also tend to see above-average precipitation. The driest month is October, with just 314mm. That's 129mm 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
Ulawa Airport is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 7km/h in winter, 6km/h in spring, 5km/h in summer, 5km/h in autumn.
Seasons
93 days until Spring
It is currently winter in Ulawa Airport, which began on June 21, 2026. Ulawa Airport 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 29°C, while the coldest stretch bottoms out in September near 26°C. Spring is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1105mm across the season with a monthly average of 368mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 1170mm across the season with a monthly average of 390mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 1191mm across the season with a monthly average of 397mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1220mm across the season with a monthly average of 407mm. Winds are generally light, averaging 7km/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 Ulawa 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.
