Climate averages 1991–2020
Jember weather
in May.
A hot, wet month: the 4th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Jember: daytime highs average 29.2°C and nights cool to about 22.1°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 108 mm of rain on roughly 16 days, which makes May a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 45 min on an average May day.
The nearest other city in this atlas is Lumajang (52 km away). In May its highs average 29.0°C, about as warm as Jember, with 92 mm of rain.
Among the 200 cities listed in Indonesia, Jember ranks joint 124th of 200 for the warmest May highs and 52nd of 200 for the driest May (rainfall, lowest first). The mean May high of those 200 cities is 29.2°C; Jember is level with that mean.
From May to June, average highs fall by 0.6°C to 28.6°C, and monthly rainfall falls from 108 mm to 64 mm.
The annual picture
May 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 | 29.3°C22.7°C | 22.7°C | 214 | 24.3 | 11.912 h |
| May, selected | 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
May in nearby cities
- Lumajang in MayIndonesia · 52 kmHigh 29.0°C · Low 23.4°C · 92 mm rain
- Genteng in MayIndonesia · 54 kmHigh 27.9°C · Low 21.5°C · 87 mm rain
- Situbondo in MayIndonesia · 62 kmHigh 29.8°C · Low 23.5°C · 69 mm rain
- Probolinggo in MayIndonesia · 71 kmHigh 29.3°C · Low 24.5°C · 46 mm rain
- Banyuwangi in MayIndonesia · 73 kmHigh 29.5°C · Low 24.0°C · 87 mm rain
- Negara in MayIndonesia · 103 kmHigh 28.7°C · Low 24.8°C · 53 mm rain
- Pasuruan in MayIndonesia · 105 kmHigh 29.7°C · Low 22.8°C · 43 mm rain
- Pamekasan in MayIndonesia · 116 kmHigh 29.4°C · Low 26.1°C · 90 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.