Lumajang weather in January
In January, Lumajang sees average daytime highs of 29°C and overnight lows near 24°C, with 358 mm of rain across 28.7 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 1% of the time in January, and the air most often feels oppressive.
Daylight stretches from about 12 h 30 min at the start of January to 12 h 24 min by month's end. Set against the rest of the year, January is Lumajang's 11th-clearest and 9th-windiest month. For the whole year in context, see Lumajang's year-round climate.
- Daytime high
- 29°
- 3rd warmest
- Overnight low
- 24°
- 12th coldest
- Rainfall
- 358 mm
- 28.7 wet days
- Daylight
- 12 h 24 min
- 5:24 AM – 5:49 PM
- Cloud cover
- 90%
- 11th clearest
- Wind
- 5 km/h
- 9th windiest
- Solar energy
- 4.52 kWh/m²
- Travel score
- 2.9
- out of 10
Lumajang is district in Lumajang Regency, East Java Province, Indonesia.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 29°C through the month.
A typical January day in Lumajang reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 24 |
| 2 | 29 | 24 |
| 3 | 29 | 24 |
| 4 | 29 | 24 |
| 5 | 29 | 24 |
| 6 | 29 | 24 |
| 7 | 29 | 24 |
| 8 | 29 | 24 |
| 9 | 29 | 24 |
| 10 | 29 | 24 |
| 11 | 29 | 24 |
| 12 | 29 | 24 |
| 13 | 29 | 24 |
| 14 | 29 | 24 |
| 15 | 29 | 24 |
| 16 | 29 | 24 |
| 17 | 29 | 24 |
| 18 | 29 | 24 |
| 19 | 29 | 24 |
| 20 | 29 | 24 |
| 21 | 29 | 24 |
| 22 | 29 | 24 |
| 23 | 29 | 24 |
| 24 | 29 | 24 |
| 25 | 29 | 24 |
| 26 | 29 | 24 |
| 27 | 29 | 24 |
| 28 | 29 | 24 |
| 29 | 29 | 24 |
| 30 | 29 | 24 |
| 31 | 29 | 24 |
How January really feels in Lumajang
Once humidity and wind are folded in, January averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Lumajang weather by month
How January compares with the rest of the year at a glance. January is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 358 | 28.7 | 12.4 | 2.9 |
| Feb | 29° / 24° | 347 | 26.5 | 12.3 | 2.8 |
| Mar | 30° / 24° | 283 | 26.9 | 12.1 | 3.1 |
| Apr | 29° / 24° | 163 | 23 | 11.8 | 3.6 |
| May | 29° / 24° | 93 | 15.7 | 11.6 | 5.0 |
| Jun | 27° / 23° | 62 | 12.7 | 11.5 | 5.9 |
| Jul | 26° / 22° | 44 | 11.3 | 11.6 | 6.3 |
| Aug | 26° / 21° | 35 | 10.4 | 11.7 | 6.5 |
| Sep | 27° / 22° | 67 | 12.1 | 12 | 6.0 |
| Oct | 28° / 23° | 96 | 16.8 | 12.2 | 5.0 |
| Nov | 29° / 24° | 227 | 23.5 | 12.4 | 3.6 |
| Dec | 29° / 24° | 316 | 27 | 12.5 | 3.1 |
Cloud cover in January
The sky is clear or mostly clear about 1% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 5% of January, with mostly cloudy or overcast conditions the remaining 93%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 2 | 3 | 3 |
| Cloudier (%) | 92 | 92 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 93 | 93 | 93 | 94 | 94 | 94 | 95 | 95 | 95 | 96 | 96 | 97 | 97 | 97 | 98 | 97 | 97 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 8 | 92 |
| 2 | 8 | 92 |
| 3 | 9 | 91 |
| 4 | 9 | 91 |
| 5 | 9 | 91 |
| 6 | 9 | 91 |
| 7 | 9 | 91 |
| 8 | 9 | 91 |
| 9 | 9 | 91 |
| 10 | 9 | 91 |
| 11 | 9 | 91 |
| 12 | 9 | 91 |
| 13 | 9 | 91 |
| 14 | 9 | 91 |
| 15 | 7 | 93 |
| 16 | 7 | 93 |
| 17 | 7 | 93 |
| 18 | 6 | 94 |
| 19 | 6 | 94 |
| 20 | 6 | 94 |
| 21 | 5 | 95 |
| 22 | 5 | 95 |
| 23 | 5 | 95 |
| 24 | 4 | 96 |
| 25 | 4 | 96 |
| 26 | 3 | 97 |
| 27 | 3 | 97 |
| 28 | 3 | 97 |
| 29 | 2 | 98 |
| 30 | 3 | 97 |
| 31 | 3 | 97 |
Chance of precipitation in January
Lumajang gets around 358 mm of rain over 28.7 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 92% and peaks near 97% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 86 | 87 | 87 | 87 | 88 | 88 | 88 | 89 | 89 | 90 | 90 | 91 | 91 | 92 | 92 | 93 | 93 | 94 | 94 | 95 | 95 | 96 | 96 | 96 | 97 | 97 | 97 | 97 | 97 | 97 | 96 |
| Rain chance (%) | |
|---|---|
| 1 | 86 |
| 2 | 87 |
| 3 | 87 |
| 4 | 87 |
| 5 | 88 |
| 6 | 88 |
| 7 | 88 |
| 8 | 89 |
| 9 | 89 |
| 10 | 90 |
| 11 | 90 |
| 12 | 91 |
| 13 | 91 |
| 14 | 92 |
| 15 | 92 |
| 16 | 93 |
| 17 | 93 |
| 18 | 94 |
| 19 | 94 |
| 20 | 95 |
| 21 | 95 |
| 22 | 96 |
| 23 | 96 |
| 24 | 96 |
| 25 | 97 |
| 26 | 97 |
| 27 | 97 |
| 28 | 97 |
| 29 | 97 |
| 30 | 97 |
| 31 | 96 |
Humidity in January
Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the oppressive band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 87 | 86 | 86 | 86 | 86 | 85 |
| Miserable (%) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 15 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 87 | 13 |
| 2 | 87 | 13 |
| 3 | 87 | 13 |
| 4 | 87 | 13 |
| 5 | 87 | 13 |
| 6 | 87 | 13 |
| 7 | 87 | 13 |
| 8 | 87 | 13 |
| 9 | 87 | 13 |
| 10 | 88 | 12 |
| 11 | 88 | 12 |
| 12 | 88 | 12 |
| 13 | 88 | 12 |
| 14 | 88 | 12 |
| 15 | 88 | 12 |
| 16 | 88 | 12 |
| 17 | 88 | 12 |
| 18 | 88 | 12 |
| 19 | 88 | 12 |
| 20 | 88 | 12 |
| 21 | 88 | 12 |
| 22 | 87 | 13 |
| 23 | 87 | 13 |
| 24 | 87 | 13 |
| 25 | 87 | 13 |
| 26 | 87 | 13 |
| 27 | 86 | 14 |
| 28 | 86 | 14 |
| 29 | 86 | 14 |
| 30 | 86 | 14 |
| 31 | 85 | 15 |
Wind in January
Winds average 5 km/h in January.
Across January, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
| 31 | 4 | calm |
Sunrise & sunset in January
Daylight runs from about 12 h 30 min at the start of January to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over January. Sunrise moves from 5:16 AM to 5:30 AM, and sunset from 5:44 PM to 5:51 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 |
| Sunrise (AM) | 5:16 | 5:17 | 5:17 | 5:18 | 5:18 | 5:19 | 5:19 | 5:20 | 5:20 | 5:21 | 5:21 | 5:22 | 5:22 | 5:23 | 5:23 | 5:24 | 5:24 | 5:25 | 5:25 | 5:25 | 5:26 | 5:26 | 5:27 | 5:27 | 5:27 | 5:28 | 5:28 | 5:29 | 5:29 | 5:29 | 5:30 |
| Sunset (PM) | 5:44 | 5:45 | 5:45 | 5:45 | 5:46 | 5:46 | 5:47 | 5:47 | 5:47 | 5:47 | 5:48 | 5:48 | 5:48 | 5:49 | 5:49 | 5:49 | 5:49 | 5:50 | 5:50 | 5:50 | 5:50 | 5:50 | 5:51 | 5:51 | 5:51 | 5:51 | 5:51 | 5:51 | 5:51 | 5:51 | 5:51 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.5 | 5:16 | 5:44 |
| 2 | 12.5 | 5:17 | 5:45 |
| 3 | 12.5 | 5:17 | 5:45 |
| 4 | 12.5 | 5:18 | 5:45 |
| 5 | 12.5 | 5:18 | 5:46 |
| 6 | 12.5 | 5:19 | 5:46 |
| 7 | 12.5 | 5:19 | 5:47 |
| 8 | 12.5 | 5:20 | 5:47 |
| 9 | 12.4 | 5:20 | 5:47 |
| 10 | 12.4 | 5:21 | 5:47 |
| 11 | 12.4 | 5:21 | 5:48 |
| 12 | 12.4 | 5:22 | 5:48 |
| 13 | 12.4 | 5:22 | 5:48 |
| 14 | 12.4 | 5:23 | 5:49 |
| 15 | 12.4 | 5:23 | 5:49 |
| 16 | 12.4 | 5:24 | 5:49 |
| 17 | 12.4 | 5:24 | 5:49 |
| 18 | 12.4 | 5:25 | 5:50 |
| 19 | 12.4 | 5:25 | 5:50 |
| 20 | 12.4 | 5:25 | 5:50 |
| 21 | 12.4 | 5:26 | 5:50 |
| 22 | 12.4 | 5:26 | 5:50 |
| 23 | 12.4 | 5:27 | 5:51 |
| 24 | 12.4 | 5:27 | 5:51 |
| 25 | 12.4 | 5:27 | 5:51 |
| 26 | 12.4 | 5:28 | 5:51 |
| 27 | 12.4 | 5:28 | 5:51 |
| 28 | 12.4 | 5:29 | 5:51 |
| 29 | 12.4 | 5:29 | 5:51 |
| 30 | 12.4 | 5:29 | 5:51 |
| 31 | 12.4 | 5:30 | 5:51 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 4.52 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 4.52 kWh/m² to a high of 5.99 kWh/m² in October across the year — January's 4.52 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.7 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.6 | Bright |
| 5 | 4.6 | Bright |
| 6 | 4.6 | Bright |
| 7 | 4.6 | Bright |
| 8 | 4.6 | Bright |
| 9 | 4.6 | Bright |
| 10 | 4.6 | Bright |
| 11 | 4.6 | Bright |
| 12 | 4.6 | Bright |
| 13 | 4.5 | Bright |
| 14 | 4.5 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.4 | Bright |
| 24 | 4.4 | Bright |
| 25 | 4.4 | Bright |
| 26 | 4.4 | Bright |
| 27 | 4.4 | Bright |
| 28 | 4.4 | Bright |
| 29 | 4.4 | Bright |
| 30 | 4.4 | Bright |
| 31 | 4.4 | Bright |
Hazard calendar for Lumajang
In January, Lumajang sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.
Lumajang sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Lumajang's monsoon runs November–April, when most of the year's rain falls.
Is January a good time to visit Lumajang?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in Lumajang.
What to pack for Lumajang in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Lumajang sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.
Sea temperature near Lumajang in January
The nearest coast averages about 29°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 29 km away) is warmest in March at about 29°C and coldest in August near 25°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 25 | 25 | 26 | 28 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Tropical |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 25 | Warm |
| Oct | 26 | Warm |
| Nov | 28 | Warm |
| Dec | 29 | Tropical |
UV index in Lumajang in January
Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lumajang peaks around March 21 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 10 | 13 | 13 | 10 | 7 | 10 | 12 | 13 | 13 | 12 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 10 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Very high |
| Jun | 7 | Very high |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 11 | Extreme |
Air quality in Lumajang in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Lumajang is worst in May — around 38 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (September, 23 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 33 | 31 | 37 | 38 | 38 | 36 | 31 | 25 | 23 | 26 | 28 | 30 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 31 | Moderate |
| Mar | 37 | Poor |
| Apr | 38 | Poor |
| May | 38 | Poor |
| Jun | 36 | Poor |
| Jul | 31 | Moderate |
| Aug | 25 | Moderate |
| Sep | 23 | Moderate |
| Oct | 26 | Moderate |
| Nov | 28 | Moderate |
| Dec | 30 | Moderate |
Where is Lumajang?
Lumajang sits at 8.1°S, 113.2°E, 56 m above sea level, in Indonesia. The nearest listed city is Kencong, 23 km away.
Topography around Lumajang
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lumajang.
Within 3 km, the terrain around Lumajang has only modest variations in elevation — a maximum elevation change of 45 m around an average of 54 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 841 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,644 m.
The land around Lumajang is covered by cropland (51%) and artificial surfaces (31%) within 3 km, trees (60%) and cropland (29%) within 16 km, and trees (46%) and water (39%) within 80 km.
Indonesia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 29% of US
- price level, 2025
- GDP per capita
- $5,060
- 2025
- Happiness
- 5.6 / 10
- World Happiness, 2025
- Safe drinking water
- 30%
- of population, 2024
- Homicide rate
- 0.3
- per 100k, 2022
- Road deaths
- 11.3
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 471
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Lumajang (-8.1335°, 113.2248°, elevation 56 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).