Jember weather in April
In April, Jember sees average daytime highs of 29°C and overnight lows near 22°C, with 214 mm of rain across 24.4 wet days and about 11.8 hours of daylight. It is the 1st-warmest and 6th-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 8% of the time in April, and the air most often feels oppressive.
Daylight stretches from about 11 h 54 min at the start of April to 11 h 42 min by month's end. Set against the rest of the year, April is Jember's 7th-clearest and 10th-windiest month. For the whole year in context, see Jember's year-round climate.
- Daytime high
- 29°
- 1st warmest
- Overnight low
- 22°
- 8th coldest
- Rainfall
- 214 mm
- 24.4 wet days
- Daylight
- 11 h 48 min
- 5:31 AM – 5:20 PM
- Cloud cover
- 77%
- 7th clearest
- Wind
- 4 km/h
- 10th windiest
- Solar energy
- 4.9 kWh/m²
- Travel score
- 3.6
- out of 10
Jember is former administrative city and capital of Jember Regency.
- Founded
- 1976
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Day-to-day highs hold fairly steady near 29°C through the month.
A typical April day in Jember reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, April runs on par with March and on par with May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 22 |
| 2 | 29 | 22 |
| 3 | 29 | 22 |
| 4 | 29 | 22 |
| 5 | 29 | 22 |
| 6 | 29 | 22 |
| 7 | 29 | 22 |
| 8 | 29 | 22 |
| 9 | 29 | 22 |
| 10 | 29 | 22 |
| 11 | 29 | 22 |
| 12 | 29 | 22 |
| 13 | 29 | 22 |
| 14 | 29 | 22 |
| 15 | 29 | 22 |
| 16 | 29 | 22 |
| 17 | 29 | 22 |
| 18 | 29 | 22 |
| 19 | 29 | 22 |
| 20 | 29 | 22 |
| 21 | 29 | 22 |
| 22 | 29 | 21 |
| 23 | 29 | 21 |
| 24 | 29 | 21 |
| 25 | 29 | 21 |
| 26 | 29 | 21 |
| 27 | 29 | 21 |
| 28 | 29 | 21 |
| 29 | 29 | 21 |
| 30 | 29 | 21 |
How April really feels in Jember
Once humidity and wind are folded in, April averages 10 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 April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Jember weather by month
How April compares with the rest of the year at a glance. April is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 22° | 359 | 29.3 | 12.4 | 3.1 |
| Feb | 29° / 22° | 334 | 27.1 | 12.3 | 3.0 |
| Mar | 29° / 22° | 322 | 27.8 | 12.1 | 3.2 |
| Apr | 29° / 22° | 214 | 24.4 | 11.8 | 3.6 |
| May | 29° / 21° | 108 | 15.5 | 11.6 | 5.0 |
| Jun | 28° / 20° | 64 | 10.7 | 11.5 | 6.1 |
| Jul | 27° / 19° | 38 | 7.6 | 11.6 | 6.8 |
| Aug | 27° / 18° | 25 | 6.2 | 11.7 | 6.9 |
| Sep | 28° / 19° | 57 | 10.2 | 12 | 6.1 |
| Oct | 29° / 20° | 119 | 18 | 12.2 | 4.6 |
| Nov | 29° / 21° | 268 | 25.4 | 12.4 | 3.5 |
| Dec | 28° / 22° | 338 | 28.2 | 12.5 | 3.2 |
Cloud cover in April
The sky is clear or mostly clear about 8% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to open up as the month goes on.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 26 | 26 | 28 | 29 | 30 | 31 | 31 | 32 | 34 | 35 | 35 | 36 | 36 | 37 |
| Cloudier (%) | 85 | 85 | 85 | 85 | 85 | 85 | 84 | 84 | 83 | 82 | 81 | 80 | 79 | 78 | 77 | 76 | 74 | 74 | 72 | 71 | 70 | 69 | 69 | 68 | 66 | 65 | 65 | 64 | 64 | 63 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 15 | 85 |
| 2 | 15 | 85 |
| 3 | 15 | 85 |
| 4 | 15 | 85 |
| 5 | 15 | 85 |
| 6 | 15 | 85 |
| 7 | 16 | 84 |
| 8 | 16 | 84 |
| 9 | 17 | 83 |
| 10 | 18 | 82 |
| 11 | 19 | 81 |
| 12 | 20 | 80 |
| 13 | 21 | 79 |
| 14 | 22 | 78 |
| 15 | 23 | 77 |
| 16 | 24 | 76 |
| 17 | 26 | 74 |
| 18 | 26 | 74 |
| 19 | 28 | 72 |
| 20 | 29 | 71 |
| 21 | 30 | 70 |
| 22 | 31 | 69 |
| 23 | 31 | 69 |
| 24 | 32 | 68 |
| 25 | 34 | 66 |
| 26 | 35 | 65 |
| 27 | 35 | 65 |
| 28 | 36 | 64 |
| 29 | 36 | 64 |
| 30 | 37 | 63 |
Chance of precipitation in April
Jember gets around 214 mm of rain over 24.4 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 81% and peaks near 92% on the wettest days. The odds ease 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 91 | 91 | 90 | 89 | 88 | 87 | 86 | 84 | 83 | 81 | 79 | 78 | 76 | 74 | 73 | 71 | 70 | 68 | 67 | 66 | 65 | 64 | 63 |
| Rain chance (%) | |
|---|---|
| 1 | 92 |
| 2 | 92 |
| 3 | 92 |
| 4 | 92 |
| 5 | 92 |
| 6 | 92 |
| 7 | 92 |
| 8 | 91 |
| 9 | 91 |
| 10 | 90 |
| 11 | 89 |
| 12 | 88 |
| 13 | 87 |
| 14 | 86 |
| 15 | 84 |
| 16 | 83 |
| 17 | 81 |
| 18 | 79 |
| 19 | 78 |
| 20 | 76 |
| 21 | 74 |
| 22 | 73 |
| 23 | 71 |
| 24 | 70 |
| 25 | 68 |
| 26 | 67 |
| 27 | 66 |
| 28 | 65 |
| 29 | 64 |
| 30 | 63 |
Humidity in April
Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the oppressive band about 91% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Muggy (%) | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 5 | 5 | 6 | 7 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 12 | 13 | 14 | 14 | 14 | 15 | 15 | 16 | 17 | 17 |
| Oppressive (%) | 96 | 96 | 96 | 96 | 96 | 97 | 96 | 96 | 96 | 95 | 95 | 94 | 93 | 93 | 92 | 91 | 91 | 90 | 89 | 88 | 88 | 87 | 86 | 86 | 86 | 85 | 85 | 84 | 83 | 82 |
| Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|
| 1 | 0 | 4 | 96 |
| 2 | 0 | 4 | 96 |
| 3 | 0 | 4 | 96 |
| 4 | 0 | 4 | 96 |
| 5 | 0 | 4 | 96 |
| 6 | 0 | 3 | 97 |
| 7 | 0 | 4 | 96 |
| 8 | 0 | 4 | 96 |
| 9 | 0 | 4 | 96 |
| 10 | 0 | 5 | 95 |
| 11 | 0 | 5 | 95 |
| 12 | 0 | 6 | 94 |
| 13 | 0 | 7 | 93 |
| 14 | 0 | 7 | 93 |
| 15 | 0 | 8 | 92 |
| 16 | 0 | 9 | 91 |
| 17 | 0 | 9 | 91 |
| 18 | 0 | 10 | 90 |
| 19 | 0 | 11 | 89 |
| 20 | 0 | 12 | 88 |
| 21 | 0 | 12 | 88 |
| 22 | 0 | 13 | 87 |
| 23 | 0 | 14 | 86 |
| 24 | 0 | 14 | 86 |
| 25 | 0 | 14 | 86 |
| 26 | 0 | 15 | 85 |
| 27 | 0 | 15 | 85 |
| 28 | 0 | 16 | 84 |
| 29 | 0 | 17 | 83 |
| 30 | 1 | 17 | 82 |
Wind in April
Winds average 4 km/h in April.
Across April, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | 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 | 5 | calm |
| 30 | 5 | calm |
Sunrise & sunset in April
Daylight runs from about 11 h 54 min at the start of April to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over April. Sunrise moves from 5:32 AM to 5:31 AM, and sunset from 5:28 PM to 5:14 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 |
| Sunrise (AM) | 5:32 | 5:32 | 5:32 | 5:32 | 5:32 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 | 5:31 |
| Sunset (PM) | 5:28 | 5:27 | 5:27 | 5:26 | 5:26 | 5:25 | 5:25 | 5:24 | 5:24 | 5:23 | 5:22 | 5:22 | 5:21 | 5:21 | 5:21 | 5:20 | 5:20 | 5:19 | 5:19 | 5:18 | 5:18 | 5:17 | 5:17 | 5:16 | 5:16 | 5:16 | 5:15 | 5:15 | 5:15 | 5:14 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 5:32 | 5:28 |
| 2 | 11.9 | 5:32 | 5:27 |
| 3 | 11.9 | 5:32 | 5:27 |
| 4 | 11.9 | 5:32 | 5:26 |
| 5 | 11.9 | 5:32 | 5:26 |
| 6 | 11.9 | 5:31 | 5:25 |
| 7 | 11.9 | 5:31 | 5:25 |
| 8 | 11.9 | 5:31 | 5:24 |
| 9 | 11.9 | 5:31 | 5:24 |
| 10 | 11.9 | 5:31 | 5:23 |
| 11 | 11.9 | 5:31 | 5:22 |
| 12 | 11.8 | 5:31 | 5:22 |
| 13 | 11.8 | 5:31 | 5:21 |
| 14 | 11.8 | 5:31 | 5:21 |
| 15 | 11.8 | 5:31 | 5:21 |
| 16 | 11.8 | 5:31 | 5:20 |
| 17 | 11.8 | 5:31 | 5:20 |
| 18 | 11.8 | 5:31 | 5:19 |
| 19 | 11.8 | 5:31 | 5:19 |
| 20 | 11.8 | 5:31 | 5:18 |
| 21 | 11.8 | 5:31 | 5:18 |
| 22 | 11.8 | 5:31 | 5:17 |
| 23 | 11.8 | 5:31 | 5:17 |
| 24 | 11.8 | 5:31 | 5:16 |
| 25 | 11.8 | 5:31 | 5:16 |
| 26 | 11.7 | 5:31 | 5:16 |
| 27 | 11.7 | 5:31 | 5:15 |
| 28 | 11.7 | 5:31 | 5:15 |
| 29 | 11.7 | 5:31 | 5:15 |
| 30 | 11.7 | 5:31 | 5:14 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 4.9 kWh/m².
For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 6.09 kWh/m² in October across the year — April's 4.9 kWh/m² falls in the middle.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
| 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.9 | Bright |
| 2 | 4.9 | Bright |
| 3 | 4.9 | Bright |
| 4 | 4.9 | Bright |
| 5 | 4.9 | Bright |
| 6 | 4.9 | Bright |
| 7 | 4.9 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.9 | Bright |
| 10 | 4.9 | Bright |
| 11 | 4.9 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.9 | Bright |
| 14 | 4.9 | Bright |
| 15 | 4.9 | Bright |
| 16 | 4.9 | Bright |
| 17 | 4.9 | Bright |
| 18 | 4.9 | Bright |
| 19 | 4.9 | Bright |
| 20 | 4.9 | Bright |
| 21 | 4.9 | Bright |
| 22 | 5.0 | Bright |
| 23 | 5.0 | Bright |
| 24 | 5.0 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.0 | Bright |
| 27 | 5.0 | Bright |
| 28 | 5.0 | Bright |
| 29 | 5.0 | Bright |
| 30 | 5.0 | Bright |
Hazard calendar for Jember
In April, Jember sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.
Jember sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Jember's monsoon runs November–April, when most of the year's rain falls.
Is April a good time to visit Jember?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a weaker month for outdoor sightseeing in Jember.
What to pack for Jember in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Jember sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.
Sea temperature near Jember in April
The nearest coast averages about 29°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 42 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 Jember in April
Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Jember peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 9 (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) | 13 | 11 | 14 | 13 | 11 | 8 | 10 | 12 | 13 | 13 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 11 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 8 | Very high |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Jember in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Jember is worst in July — around 46 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (September, 24 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 | 35 | 31 | 34 | 46 | 34 | 24 | 29 | 27 | 29 |
| Level | Moderate | Moderate | Poor | Poor | Moderate | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 31 | Moderate |
| Mar | 37 | Poor |
| Apr | 35 | Poor |
| May | 31 | Moderate |
| Jun | 34 | Moderate |
| Jul | 46 | Poor |
| Aug | 34 | Moderate |
| Sep | 24 | Moderate |
| Oct | 29 | Moderate |
| Nov | 27 | Moderate |
| Dec | 29 | Moderate |
Where is Jember?
Jember sits at 8.2°S, 113.7°E, 86 m above sea level, in Indonesia. The nearest listed city is Bondowoso, 32 km away.
Topography around Jember
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Jember.
Within 3 km, the terrain around Jember has only modest variations in elevation — a maximum elevation change of 118 m around an average of 99 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,460 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,219 m.
The land around Jember is covered by artificial surfaces (54%) and trees (29%) within 3 km, trees (64%) and cropland (25%) within 16 km, and trees (47%) and water (37%) 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 Jember (-8.1721°, 113.6995°, elevation 86 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).