Climate Overview
The climate in Bali is warm and mild. The average annual temperature is 21°C and approximately 2852mm of precipitation falls per year. September is the wettest month, receiving around 428mm of rainfall. Bali sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Bali sees moderate temperature variation throughout the year, ranging from 14°C to 30°C. The warmest month is February, when average highs reach 30°C and the mean temperature sits around 23°C. January is the coolest month, with minimum temperatures around 14°C and an average of 22°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.
Precipitation
Bali is a very wet location, receiving approximately 2852mm of precipitation annually, which averages out to around 238mm per month. The wettest month is September, averaging 428mm of rainfall. July and October also tend to see above-average precipitation. The driest month is December, with just 2mm. That's 426mm less than September, 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
Bali 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 February, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 0km/h gap between the calmest and windiest months.
Seasons
13 days until Autumn
It is currently summer in Bali, which began on June 21, 2026. Bali sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in February at around 30°C, while the coldest stretch bottoms out in January near 14°C. Autumn is next, beginning on September 23, 2026 (13 days from now).
Spring
Temperatures range from 17 to 28°C. Rainfall is heavy, totalling around 782mm across the season with a monthly average of 261mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 17 to 24°C. Rainfall is heavy, totalling around 1118mm across the season with a monthly average of 373mm. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 16 to 27°C. Rainfall is heavy, totalling around 899mm across the season with a monthly average of 300mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 14 to 30°C. Rainfall is relatively light, with around 53mm over the season and a monthly average of 18mm. Winds are generally light, averaging 1km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Bali is during January, February, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 34mm per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Bali 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.
