Climate Overview
The climate in Ulawa Airport is hot. The average annual temperature is 27°C and approximately 4432mm 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. August 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 4432mm of precipitation annually, which averages out to around 369mm per month. The wettest month is December, averaging 437mm of rainfall. February and January also tend to see above-average precipitation. The driest month is October, with just 273mm. That's 165mm less than December, 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 moderately windy, with an average annual wind speed of 26km/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 33km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in December, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 12km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 32km/h in winter, 27km/h in spring, 24km/h in summer, 23km/h in autumn.
Seasons
90 days until Winter
It is currently autumn in Ulawa Airport, which began on March 20, 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 August near 26°C. Winter is next, beginning on June 21, 2026 — 90 days from now.
Spring
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 966mm across the season with a monthly average of 322mm. Winds are strong, averaging 27km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 1280mm across the season with a monthly average of 427mm. Winds are moderate at around 24km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 1132mm across the season with a monthly average of 377mm. Winds are moderate at around 23km/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 1054mm across the season with a monthly average of 351mm. Winds are strong, averaging 32km/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.
