Climate averages 1991–2020
Jember weather
in April.
A hot, very wet month: the joint 2nd warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Jember: daytime highs average 29.3°C and nights cool to about 22.7°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 214 mm of rain on roughly 24 days, which makes April a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 56 min on an average April day.
The nearest other city in this atlas is Lumajang (52 km away). In April its highs average 29.4°C, about as warm as Jember, with 163 mm of rain.
Among the 200 cities listed in Indonesia, Jember ranks joint 103rd of 200 for the warmest April highs and joint 63rd of 200 for the driest April (rainfall, lowest first). The mean April high of those 200 cities is 29.0°C; Jember is 0.3°C warmer than that mean.
From April to May, average highs fall by 0.1°C to 29.2°C, and monthly rainfall falls from 214 mm to 108 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Jember climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.5°C22.7°C | 22.7°C | 358 | 29.3 | 12.513 h |
| February | 28.7°C22.7°C | 22.7°C | 337 | 27.4 | 12.412 h |
| March | 29.1°C22.7°C | 22.7°C | 322 | 27.8 | 12.212 h |
| April, selected | 29.3°C22.7°C | 22.7°C | 214 | 24.3 | 11.912 h |
| May | 29.2°C22.1°C | 22.1°C | 108 | 15.5 | 11.712 h |
| June | 28.6°C21.4°C | 21.4°C | 64 | 10.7 | 11.712 h |
| July | 28.1°C20.7°C | 20.7°C | 38 | 7.5 | 11.712 h |
| August | 28.4°C20.5°C | 20.5°C | 25 | 6.2 | 11.812 h |
| September | 29.3°C21.3°C | 21.3°C | 57 | 10.2 | 12.112 h |
| October | 29.8°C22.3°C | 22.3°C | 119 | 18.0 | 12.312 h |
| November | 29.1°C22.9°C | 22.9°C | 268 | 25.4 | 12.512 h |
| December | 28.4°C22.8°C | 22.8°C | 338 | 28.2 | 12.613 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Lumajang in AprilIndonesia · 52 kmHigh 29.4°C · Low 23.9°C · 163 mm rain
- Genteng in AprilIndonesia · 54 kmHigh 28.3°C · Low 22.2°C · 178 mm rain
- Situbondo in AprilIndonesia · 62 kmHigh 29.0°C · Low 23.7°C · 228 mm rain
- Probolinggo in AprilIndonesia · 71 kmHigh 28.9°C · Low 24.8°C · 141 mm rain
- Banyuwangi in AprilIndonesia · 73 kmHigh 29.8°C · Low 24.4°C · 178 mm rain
- Negara in AprilIndonesia · 103 kmHigh 28.9°C · Low 25.0°C · 116 mm rain
- Pasuruan in AprilIndonesia · 105 kmHigh 28.9°C · Low 22.9°C · 150 mm rain
- Pamekasan in AprilIndonesia · 116 kmHigh 29.2°C · Low 25.6°C · 203 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Jember) is explained once on the Jember year overview and on the Sources, method and limits page.