Weathermondo.comSumbawa climate and temperatures
The climate of Sumbawa is a tropical savanna climate (Köppen: Aw), characterized by consistently warm temperatures and a dry winter season. Monthly temperatures range from a minimum of 30°C in June to a maximum of 33°C in September. The average annual temperature is around 32°C.
During the colder months, nighttime temperatures average around 22°C, while in the warmer months they average about 26°C.
Climate table of Sumbawa
The climate table below gives you a clear overview of the climate in Sumbawa by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 14 | 16 | 17 | 19 | 23 | 27 | 30 | 30 | 27 | 23 | 18 | 16 |
| Temp. min (°C) | 6 | 7 | 9 | 11 | 15 | 19 | 22 | 22 | 19 | 15 | 10 | 7 |
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| Rainfall (mm) | 46 | 34 | 46 | 64 | 43 | 23 | 22 | 75 | 77 | 84 | 61 | 25 |
| UV index | 4 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 6 | 5 | 4 | 4 |
Best time to visit Sumbawa
The best time to visit Sumbawa is June en July. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between June and July, average high temperatures range roughly from 30°C to 30°C, while rainfall remains limited. For a sun or beach holiday, July, August en September are the most suitable months. It is often warm to hot and relatively dry during this time. The warmest month is September, with an average daytime temperature of around 33°C. The driest month is August, with about 8 mm of rainfall, while February is usually the wettest month of the year, with approximately 272 mm. Snow plays virtually no role in the climate here.
Average temperature per month
This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Sumbawa. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.
Average rainfall per month
This chart shows the average monthly rainfall in Sumbawa. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.
Average UV index per month
This chart shows the average monthly sun intensity in Sumbawa. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.
Average annual temperature
This chart shows the average annual temperature in Sumbawa based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.
Average annual rainfall
This chart shows the average annual rainfall in Sumbawa over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.
Weather experiences in Sumbawa
The weather in Sumbawa is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Sumbawa? Share your experience with the weather to help other visitors plan their trip.
Average weather per month
Click on a month below and discover what the weather in Sumbawa is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.