Batu Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Batu, East Java, Indonesia. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Now, let's break down all the details for a clearer picture.
Batu is known for its substantial rainfall, with annual precipitation reaching 3053 mm (120 in). While the overall climate is wet, there are notable seasonal patterns that create interesting contrasts, as demonstrated in our graph below.
Monthly Rainfall & Rainy Days
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
Batu can be quite wet during February, receiving approximately 526 mm (21 in) of precipitation over 19 rainy days.
In contrast August, experiences much drier conditions, with 35 mm (1.4 in) of rainfall, spread across 5 rainy days.
February, the wettest month, has a maximum daytime temperature of 28°C (82°F). During the driest month August you can expect a temperature of 28°C (82°F). For more detailed insights into the city's temperatures, visit our Batu Temperature page.
Daily Historical Precipitation
Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)
Average precipitation in August
Explore Batu's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Batu spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Indonesia: City Comparison
The map below shows the annual precipitation across Indonesia. You can also select the different months in case you are interested in a specific month.
Batu vs World: Rainfall Compared
Batu's average annual precipitation is 3053 mm (120 in). Let's compare this to some popular worldwide tourist destinations:
Boston, USA, experiences 1238 mm (49 in) of annual precipitation, including significant snowfall during the winter.
In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.
Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.
Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
Precipitation has a very strong role in determining the local climate and ecosystem:
- Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
- Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.
- "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
- The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
- The greatest snowfall recorded was on Mt. Rainier, Washington State, USA, over 31.5 meters (103 feet) fell during the winter of 1972.
For more detailed information about Batu's weather, including sunshine hours, humidity levels, and temperature data, visit our Batu Climate page.
Batu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Batu - and find the best time to visit.
Batu 3-Day Forecast
Temperature Rainfall Humidity
See the full Batu climate overview or explore weather in Indonesia.
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Where to go in August - average daytime high across popular destinations.
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