Jombang in Winter
In winter (June, July and August), Jombang sees average daytime highs around 31°C and overnight lows near 22°C, with 94 mm of rain over about 18 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Across winter, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 29% of the time across winter, and the air most often feels muggy.
Winter is Jombang's best season of the year to visit on our travel score. For the whole year in context, see Jombang's year-round climate.
- Avg daytime high
- 31°C
- 2nd-warmest season
- Avg overnight low
- 22°C
- Rainfall
- 94 mm
- 18 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.8
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Jombang in Winter
Across winter, daytime highs hold fairly steady around 31°C.
A typical winter day in Jombang reaches about 31°C and drops to 22°C overnight. The warmest of the three months is August, the coolest August.
How winter really feels in Jombang
Once humidity and wind are folded in, winter brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Jombang weather by month
How the three winter months (June, July and August) 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 | 31° / 23° | 286 | 28.3 | 12.4 | 2.6 |
| Feb | 31° / 23° | 278 | 26.7 | 12.2 | 2.5 |
| Mar | 31° / 23° | 276 | 28 | 12.1 | 2.6 |
| Apr | 31° / 23° | 202 | 24.5 | 11.8 | 2.9 |
| May | 31° / 23° | 89 | 15.2 | 11.7 | 3.9 |
| Jun | 31° / 22° | 53 | 8.8 | 11.6 | 4.6 |
| Jul | 31° / 21° | 28 | 5.6 | 11.6 | 4.9 |
| Aug | 32° / 21° | 13 | 3.3 | 11.8 | 4.9 |
| Sep | 32° / 22° | 23 | 5 | 12 | 4.2 |
| Oct | 33° / 23° | 86 | 12 | 12.2 | 3.4 |
| Nov | 32° / 24° | 183 | 21.4 | 12.3 | 2.7 |
| Dec | 31° / 24° | 266 | 26.5 | 12.4 | 2.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 29% of the time across winter.
Chance of precipitation in Winter
Jombang gets around 94 mm of rain over 18 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 5 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 36 min in early June to 11 h 48 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.3 kWh/m².
Hazard calendar for Jombang
None of Jombang's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Jombang sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Jombang's monsoon runs November–April, when most of the year's rain falls.
Is winter a good time to visit Jombang?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Jombang for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Jombang in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Jombang sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 18 days see rain.
UV index in Jombang in Winter
Clear-sky midday UV across winter averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Jombang peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 7 (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 | 14 | 11 | 9 | 7 | 9 | 11 | 12 | 11 | 10 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | Very high | Extreme | Extreme | Extreme | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 10 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 7 | High |
| Jul | 9 | Very high |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 10 | Very high |
| Dec | 11 | Extreme |
Air quality in Jombang in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Jombang is worst in May — around 101 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 76 | 71 | 87 | 99 | 101 | 95 | 81 | 66 | 69 | 80 | 87 | 81 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 76 | Unhealthy |
| Feb | 71 | Unhealthy |
| Mar | 87 | Unhealthy |
| Apr | 99 | Unhealthy |
| May | 101 | Unhealthy |
| Jun | 95 | Unhealthy |
| Jul | 81 | Unhealthy |
| Aug | 66 | Unhealthy |
| Sep | 69 | Unhealthy |
| Oct | 80 | Unhealthy |
| Nov | 87 | Unhealthy |
| Dec | 81 | Unhealthy |
Where is Jombang?
Jombang sits at 7.5°S, 112.2°E, 43 m above sea level, in Indonesia. The nearest listed city is Diwek, 4.0 km away.
Topography around Jombang
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Jombang.
Within 3 km, the terrain around Jombang has only modest variations in elevation — a maximum elevation change of 31 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 138 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,305 m.
The land around Jombang is covered by artificial surfaces (47%) and cropland (30%) within 3 km, cropland (59%) and trees (21%) within 16 km, and trees (46%) and cropland (34%) 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 Jombang (-7.546°, 112.2331°, elevation 43 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.