Bali has a tropical rainforest climate, classified as Af in the Köppen system. The warmest month is January with an average high of 28°C, while the coldest month is July with lows dropping to 23°C. The annual temperature range of 5°C indicates a relatively stable climate year-round.
The driest month is August with only 10 rain days and 32mm of precipitation. For travellers, August through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 82% to 82% throughout the year.
Best Time to Visit Bali
Based on temperature and rainfall data, the best months to visit Bali are January, February, March. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
In January, Bali experiences average highs of 28°C (82°F) and lows of 25°C (77°F). Expect around 29 rainy days and 9 hours of sunshine per day, with humidity averaging 82%. The 3°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 8, so sun protection is advisable on clear days.
Bali typically sees 29 rainy days in January, with total precipitation of around 382mm. This is a notably wet period. A waterproof jacket or compact umbrella is essential, and it is worth building indoor alternatives into your daily itinerary for the inevitable rainy stretches. For context, the driest month in Bali typically sees 4-6 fewer rain days than January.
Pack light layers, a light jacket for evenings, comfortable walking shoes, and sunscreen for Bali in January. Daytime temperatures of 28°C are pleasant, but the evening drop to 25°C means a jacket is essential if you plan to be out after dark. With 29 rainy days, bring a compact umbrella or waterproof jacket for unexpected showers. Comfortable walking shoes are a priority given the amount of ground most visitors cover.
January is a reasonable time to visit Bali. Expect 29 rainy days, so pack a light rain layer for flexibility. Average temperatures of 28°C make outdoor exploration comfortable during the dry periods. With 9 daily sunshine hours, there are reliable windows of good weather to plan outdoor activities around, even if the month is not the driest on the calendar.
The average high temperature in Bali in January is 28°C (82°F), and the average low is 25°C (77°F). The mean daily temperature is approximately 27°C (80°F). The day-to-night range of 3°C is narrow, typical of coastal or maritime cities. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Bali is generally August. August offers the most sunshine at 11 hours per day and only 10 rainy days. Average temperatures reach 26°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around August gives you the best chance of dry, bright weather.
January is shoulder or low season in Bali, meaning fewer tourists and generally lower prices than peak months. With 9 sunshine hours and 29 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In January, Bali suits a range of activities thanks to mild temperatures around 28°C. With frequent rain, indoor activities and covered attractions are a smart choice. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 9 hours of sunshine, parks and waterfront walks are particularly enjoyable.