The average temperature in Bali is around 26 degrees Celsius. January and February are the coolest months, with an average temperature of around 23 degrees Celsius. while April and May are the warmest months, with an average temperature of around 28 degrees Celsius. The humidity in Bali is usually high, with the average humidity around 80%. The rainy season in Bali is from October to March, with the most rainfall in January and February.