Weathermondo.comIjen climate and temperatures
The climate of Ijen is a tropical monsoon climate (Köppen: Am), characterized by a very wet season and a short dry period. Monthly temperatures range from a minimum of 30°C in March to a maximum of 34°C in November. The average annual temperature is around 31°C.
During the colder months, nighttime temperatures average around 21°C, while in the warmer months they average about 24°C.
Climate table of Ijen
The climate table below gives you a clear overview of the climate in Ijen 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 Ijen
The best time to visit Ijen is August. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Especially in August, the climate is favorable, with an average high temperature of 30°C and around 31 mm of rainfall. For a sun or beach holiday, August are the most suitable months. It is often warm to hot and relatively dry during this time. The warmest month is November, with an average daytime temperature of around 34°C. The driest month is August, with about 31 mm of rainfall, while February is usually the wettest month of the year, with approximately 576 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 Ijen. 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 Ijen. 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 Ijen. 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 Ijen 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 Ijen 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 Ijen
The weather in Ijen is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Ijen? 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 Ijen 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.