Jember in Fall
In fall (March, April and May), Jember sees average daytime highs around 29°C and overnight lows near 21°C, with 645 mm of rain over about 68 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 11% of the time across fall, and the air most often feels oppressive.
Fall is Jember's 3rd-best season to visit on our travel score. For the whole year in context, see Jember's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 645 mm
- 68 wet days
- Avg wind
- 4 km/h
- Travel score
- 3.9
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Jember in Fall
Across fall, daytime highs hold fairly steady around 29°C.
A typical fall day in Jember reaches about 29°C and drops to 21°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Jember
Once humidity and wind are folded in, fall brings about 15 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Jember weather by month
How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| 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 Fall
The sky is clear or mostly clear about 11% of the time across fall.
Chance of precipitation in Fall
Jember gets around 645 mm of rain over 68 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 4 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 12 min in early March to 11 h 36 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.9 kWh/m².
Hazard calendar for Jember
In fall, Jember overlaps 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 fall a good time to visit Jember?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Jember.
What to pack for Jember in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Jember sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 68 days see rain.
Sea temperature near Jember in Fall
The nearest coast averages about 29°C across fall — 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 Fall
Clear-sky midday UV across fall averages 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 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 Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall 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.