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Jember Weather by Month
Average temperatures, rainfall and humidity for Jember, Indonesia, month by month, built from OpenWeather’s historical records. Use it to see what a typical Jember month looks like before you travel — then check the live Jember forecast for the days ahead.
Warmest month
October
31°C average high
Coolest month
August
20°C average low
Wettest month
February
353 mm of rain
Driest month
August
36 mm of rain
Average temperature and rainfall in Jember by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 29°C | 23°C | 19°C / 34°C | 142 mm | 89% | 5 km/h |
| February | 29°C | 23°C | 19°C / 34°C | 353 mm | 90% | 4 km/h |
| March | 30°C | 23°C | 18°C / 34°C | 183 mm | 89% | 4 km/h |
| April | 30°C | 23°C | 18°C / 34°C | 199 mm | 88% | 4 km/h |
| May | 30°C | 23°C | 15°C / 34°C | 83 mm | 87% | 4 km/h |
| June | 29°C | 22°C | 14°C / 34°C | 57 mm | 88% | 5 km/h |
| July | 28°C | 21°C | 15°C / 33°C | 52 mm | 85% | 5 km/h |
| August | 30°C | 20°C | 12°C / 35°C | 36 mm | 82% | 6 km/h |
| September | 30°C | 21°C | 14°C / 37°C | 36 mm | 81% | 6 km/h |
| October | 31°C | 22°C | 14°C / 39°C | 54 mm | 82% | 5 km/h |
| November | 30°C | 23°C | 18°C / 38°C | 124 mm | 87% | 4 km/h |
| December | 29°C | 23°C | 19°C / 35°C | 146 mm | 89% | 5 km/h |
Best time to visit Jember
The most comfortable time to visit Jember is generally July to September, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around February, totalling about 1,465 mm a year.
Travellers who prefer heat should aim for October, when highs average 31°C. February is the month to avoid if rain would spoil your plans — it averages 353 mm, roughly 10× the rainfall of the driest month (August).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Jember forecast for what is happening now.