Leuwiliang in Summer
In summer (December, January and February), Leuwiliang sees average daytime highs around 25°C and overnight lows near 19°C, with 1240 mm of rain over about 87 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 25°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels muggy.
Summer is Leuwiliang's weakest season of the year to visit on our travel score. Leuwiliang has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Leuwiliang's year-round climate.
- Avg daytime high
- 25°C
- coldest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 1240 mm
- 87 wet days
- Avg wind
- 4 km/h
- Travel score
- 3.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Leuwiliang in Summer
Across summer, daytime highs hold fairly steady around 25°C.
A typical summer day in Leuwiliang reaches about 25°C and drops to 19°C overnight. The warmest of the three months is December, the coolest January.
Leuwiliang weather by month
How the three summer months (December, January and February) 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 | 25° / 19° | 397 | 29.7 | 12.4 | 3.6 |
| Feb | 25° / 19° | 386 | 27.3 | 12.2 | 3.5 |
| Mar | 25° / 19° | 435 | 30.2 | 12 | 3.5 |
| Apr | 26° / 19° | 364 | 28.5 | 11.8 | 3.6 |
| May | 26° / 19° | 217 | 24.7 | 11.7 | 4.3 |
| Jun | 26° / 18° | 152 | 19.3 | 11.6 | 5.1 |
| Jul | 26° / 18° | 124 | 18 | 11.6 | 5.5 |
| Aug | 26° / 17° | 106 | 15.6 | 11.8 | 5.8 |
| Sep | 26° / 18° | 157 | 17.8 | 12 | 5.3 |
| Oct | 26° / 19° | 352 | 23.9 | 12.2 | 4.4 |
| Nov | 26° / 19° | 492 | 27.9 | 12.3 | 3.6 |
| Dec | 25° / 19° | 457 | 29.6 | 12.4 | 3.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 1% of the time across summer.
Chance of precipitation in Summer
Leuwiliang gets around 1240 mm of rain over 87 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 4 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 24 min in early December to 12 h 12 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.3 kWh/m².
Hazard calendar for Leuwiliang
In summer, Leuwiliang overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Leuwiliang sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is summer a good time to visit Leuwiliang?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Leuwiliang.
What to pack for Leuwiliang in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Leuwiliang sees daytime highs around 25°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 87 days see rain.
Sea temperature near Leuwiliang in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 58 km away) is warmest in April at about 29°C and coldest in September near 26°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 | 29 | 28 | 27 | 26 | 26 | 26 | 28 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 28 | Tropical |
| Jul | 27 | Warm |
| Aug | 26 | Warm |
| Sep | 26 | Warm |
| Oct | 26 | Warm |
| Nov | 28 | Warm |
| Dec | 29 | Tropical |
UV index in Leuwiliang in Summer
Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Leuwiliang peaks around March 10 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 13 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) | 15 | 16 | 17 | 13 | 9 | 8 | 10 | 12 | 14 | 14 | 10 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 17 | Extreme |
| Apr | 13 | Extreme |
| May | 9 | Very high |
| Jun | 8 | Very high |
| Jul | 10 | Extreme |
| Aug | 12 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 10 | Very high |
| Dec | 13 | Extreme |
Air quality in Leuwiliang in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Leuwiliang is worst in May — around 121 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) | 77 | 81 | 95 | 106 | 121 | 117 | 108 | 92 | 84 | 84 | 87 | 77 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 77 | Unhealthy |
| Feb | 81 | Unhealthy |
| Mar | 95 | Unhealthy |
| Apr | 106 | Unhealthy |
| May | 121 | Unhealthy |
| Jun | 117 | Unhealthy |
| Jul | 108 | Unhealthy |
| Aug | 92 | Unhealthy |
| Sep | 84 | Unhealthy |
| Oct | 84 | Unhealthy |
| Nov | 87 | Unhealthy |
| Dec | 77 | Unhealthy |
Where is Leuwiliang?
Leuwiliang sits at 7.1°S, 107.5°E, 1,143 m above sea level, in Indonesia. The nearest listed city is Soreang, 9.0 km away.
Topography around Leuwiliang
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Leuwiliang.
Within 3 km, the terrain around Leuwiliang has significant variations in elevation — a maximum elevation change of 488 m around an average of 1,224 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,774 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,987 m.
The land around Leuwiliang is covered by trees (92%) within 3 km, trees (79%) within 16 km, and trees (69%) 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 Leuwiliang (-7.1169°, 107.5019°, elevation 1,143 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.