Climate Overview
The climate in Selong is hot. The average annual temperature is 27°C and approximately 2013mm of precipitation falls per year. February is the wettest month, receiving around 375mm of rainfall. Selong sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Selong has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is November, when average highs reach 31°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 23°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Selong is a very wet location, receiving approximately 2013mm of precipitation annually, which averages out to around 168mm per month. The wettest month is February, averaging 375mm of rainfall. January and December also tend to see above-average precipitation. The driest month is August, with just 17mm. That's 359mm less than February, 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
Selong is relatively calm, with an average annual wind speed of 8km/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 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/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 10km/h in winter, 8km/h in spring, 7km/h in summer, 6km/h in autumn.
Seasons
3 days until Spring
It is currently winter in Selong, which began on June 21, 2026. Selong sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in November at around 31°C, while the coldest stretch bottoms out in August near 23°C. Spring is next, beginning on September 23, 2026 (3 days from now).
Spring
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 367mm across the season with a monthly average of 122mm. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 1062mm across the season with a monthly average of 354mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 508mm across the season with a monthly average of 169mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 30°C. Rainfall is relatively light, with around 77mm over the season and a monthly average of 26mm. Winds are generally light, averaging 10km/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 Selong 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.
