Climate averages 1991–2020
Lumajang weather
in January.
A hot, very wet month: the joint 7th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Lumajang: daytime highs average 29.0°C and nights cool to about 23.8°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 357 mm of rain on roughly 29 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 32 min on an average January day.
The nearest other city in this atlas is Probolinggo (42 km away). In January its highs average 28.3°C, 0.7°C cooler than Lumajang, with 276 mm of rain.
Among the 200 cities listed in Indonesia, Lumajang ranks joint 41st of 200 for the warmest January highs and joint 146th of 200 for the driest January (rainfall, lowest first). The mean January high of those 200 cities is 28.2°C; Lumajang is 0.8°C warmer than that mean.
From January to February, average highs rise by 0.1°C to 29.1°C, and monthly rainfall falls from 357 mm to 352 mm.
The annual picture
January 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
Lumajang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 29.0°C23.8°C | 23.8°C | 357 | 28.7 | 12.513 h |
| February | 29.1°C23.7°C | 23.7°C | 352 | 26.8 | 12.412 h |
| March | 29.4°C23.9°C | 23.9°C | 283 | 26.8 | 12.212 h |
| April | 29.4°C23.9°C | 23.9°C | 163 | 23.0 | 11.912 h |
| May | 29.0°C23.4°C | 23.4°C | 92 | 15.6 | 11.712 h |
| June | 28.3°C22.6°C | 22.6°C | 62 | 12.7 | 11.712 h |
| July | 27.6°C21.6°C | 21.6°C | 44 | 11.3 | 11.712 h |
| August | 27.9°C21.2°C | 21.2°C | 35 | 10.4 | 11.812 h |
| September | 29.0°C21.7°C | 21.7°C | 67 | 12.1 | 12.112 h |
| October | 29.9°C22.9°C | 22.9°C | 96 | 16.8 | 12.312 h |
| November | 29.6°C23.7°C | 23.7°C | 227 | 23.5 | 12.512 h |
| December | 29.1°C23.8°C | 23.8°C | 316 | 27.0 | 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
January in nearby cities
- Probolinggo in JanuaryIndonesia · 42 kmHigh 28.3°C · Low 24.6°C · 276 mm rain
- Jember in JanuaryIndonesia · 52 kmHigh 28.5°C · Low 22.7°C · 358 mm rain
- Pasuruan in JanuaryIndonesia · 65 kmHigh 28.6°C · Low 23.0°C · 376 mm rain
- Lawang in JanuaryIndonesia · 67 kmHigh 27.6°C · Low 21.4°C · 510 mm rain
- Singosari in JanuaryIndonesia · 67 kmHigh 27.5°C · Low 21.6°C · 387 mm rain
- Malang in JanuaryIndonesia · 68 kmHigh 27.3°C · Low 21.7°C · 387 mm rain
- Bangil in JanuaryIndonesia · 74 kmHigh 29.1°C · Low 22.8°C · 298 mm rain
- Batu in JanuaryIndonesia · 82 kmHigh 25.7°C · Low 20.1°C · 509 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 Lumajang) is explained once on the Lumajang year overview and on the Sources, method and limits page.