Climate Overview
The climate in Mulu Airport is hot. The average annual temperature is 25°C and approximately 3349mm of precipitation falls per year. Mulu Airport receives a notable amount of rainfall throughout the year, including during its driest month. Mulu Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Mulu Airport has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is May, when average highs reach 31°C and the mean temperature sits around 26°C. July is the coolest month, with minimum temperatures around 22°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Mulu Airport is a very wet location, receiving approximately 3349mm of precipitation annually, which averages out to around 279mm per month. The wettest month is May, averaging 346mm of rainfall. November and October also tend to see above-average precipitation. The driest month is August, with just 175mm. That's 171mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Mulu Airport is relatively calm, with an average annual wind speed of 1km/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 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
84 days until Autumn
It is currently summer in Mulu Airport, which began on June 21, 2026. Mulu 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 May at around 31°C, while the coldest stretch bottoms out in July near 22°C. Autumn is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 919mm across the season with a monthly average of 306mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 653mm across the season with a monthly average of 218mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 927mm across the season with a monthly average of 309mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 850mm across the season with a monthly average of 283mm. Winds are generally light, averaging 1km/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 Mulu 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.
