Cilegon weather in February
In February, Cilegon sees average daytime highs of 29°C and overnight lows near 25°C, with 261 mm of rain across 26.1 wet days and about 12.2 hours of daylight. It is the 10th-warmest and 3rd-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 February, and the air most often feels oppressive.
Daylight stretches from about 12 h 18 min at the start of February to 12 h 06 min by month's end. Set against the rest of the year, February is Cilegon's 11th-clearest and 4th-windiest month. For the whole year in context, see Cilegon's year-round climate.
- Daytime high
- 29°
- 10th warmest
- Overnight low
- 25°
- 6th coldest
- Rainfall
- 261 mm
- 26.1 wet days
- Daylight
- 12 h 12 min
- 6:04 AM – 6:16 PM
- Cloud cover
- 88%
- 11th clearest
- Wind
- 9 km/h
- 4th windiest
- Solar energy
- 5.08 kWh/m²
- Travel score
- 3.0
- out of 10
Cilegon is city in Banten Province, Indonesia.
- Density
- 2,680/km²
- people per km²
- Founded
- 1999
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in February
Day-to-day highs hold fairly steady near 29°C through the month.
A typical February day in Cilegon reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°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, February runs on par with January and on par with March.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 25 |
| 2 | 29 | 25 |
| 3 | 29 | 25 |
| 4 | 29 | 25 |
| 5 | 29 | 25 |
| 6 | 29 | 25 |
| 7 | 29 | 25 |
| 8 | 29 | 25 |
| 9 | 29 | 25 |
| 10 | 29 | 25 |
| 11 | 29 | 25 |
| 12 | 29 | 25 |
| 13 | 29 | 25 |
| 14 | 29 | 25 |
| 15 | 29 | 25 |
| 16 | 29 | 25 |
| 17 | 29 | 25 |
| 18 | 29 | 25 |
| 19 | 29 | 25 |
| 20 | 29 | 25 |
| 21 | 29 | 25 |
| 22 | 29 | 25 |
| 23 | 29 | 25 |
| 24 | 29 | 25 |
| 25 | 29 | 25 |
| 26 | 29 | 25 |
| 27 | 29 | 25 |
| 28 | 29 | 25 |
How February really feels in Cilegon
Once humidity and wind are folded in, February averages 28 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 February is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Cilegon weather by month
How February compares with the rest of the year at a glance. February is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 25° | 285 | 28.6 | 12.3 | 3.1 |
| Feb | 29° / 25° | 261 | 26.1 | 12.2 | 3.0 |
| Mar | 29° / 25° | 251 | 28 | 12 | 3.0 |
| Apr | 30° / 26° | 218 | 26.5 | 11.9 | 3.0 |
| May | 30° / 26° | 165 | 23.8 | 11.7 | 3.4 |
| Jun | 30° / 25° | 120 | 20.1 | 11.7 | 3.9 |
| Jul | 29° / 25° | 94 | 18.1 | 11.7 | 4.4 |
| Aug | 29° / 24° | 70 | 17 | 11.8 | 4.5 |
| Sep | 30° / 25° | 74 | 15.9 | 12 | 4.3 |
| Oct | 30° / 25° | 134 | 20.3 | 12.1 | 3.7 |
| Nov | 30° / 25° | 223 | 25.2 | 12.3 | 3.2 |
| Dec | 29° / 25° | 293 | 27.1 | 12.3 | 3.2 |
Cloud cover in February
The sky is clear or mostly clear about 1% of the time in February.
Beyond those clear spells, partly cloudy skies cover about 7% of February, with mostly cloudy or overcast conditions the remaining 92%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 6 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 11 | 11 |
| Cloudier (%) | 94 | 95 | 94 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 91 | 90 | 90 | 90 | 89 | 89 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 6 | 94 |
| 2 | 5 | 95 |
| 3 | 6 | 94 |
| 4 | 7 | 93 |
| 5 | 7 | 93 |
| 6 | 7 | 93 |
| 7 | 7 | 93 |
| 8 | 7 | 93 |
| 9 | 7 | 93 |
| 10 | 7 | 93 |
| 11 | 7 | 93 |
| 12 | 7 | 93 |
| 13 | 7 | 93 |
| 14 | 7 | 93 |
| 15 | 7 | 93 |
| 16 | 7 | 93 |
| 17 | 7 | 93 |
| 18 | 8 | 92 |
| 19 | 8 | 92 |
| 20 | 8 | 92 |
| 21 | 8 | 92 |
| 22 | 8 | 92 |
| 23 | 9 | 91 |
| 24 | 10 | 90 |
| 25 | 10 | 90 |
| 26 | 10 | 90 |
| 27 | 11 | 89 |
| 28 | 11 | 89 |
Chance of precipitation in February
Cilegon gets around 261 mm of rain over 26.1 wet days in February. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 93% and peaks near 96% on the wettest days.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 96 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 91 |
| Rain chance (%) | |
|---|---|
| 1 | 96 |
| 2 | 96 |
| 3 | 96 |
| 4 | 96 |
| 5 | 95 |
| 6 | 95 |
| 7 | 95 |
| 8 | 95 |
| 9 | 94 |
| 10 | 94 |
| 11 | 94 |
| 12 | 93 |
| 13 | 93 |
| 14 | 93 |
| 15 | 93 |
| 16 | 92 |
| 17 | 92 |
| 18 | 92 |
| 19 | 92 |
| 20 | 92 |
| 21 | 92 |
| 22 | 92 |
| 23 | 92 |
| 24 | 92 |
| 25 | 91 |
| 26 | 91 |
| 27 | 91 |
| 28 | 91 |
Humidity in February
Most of February feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, February lands in the oppressive band about 59% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 66 | 66 | 66 | 66 | 65 | 65 | 64 | 63 | 62 | 61 | 60 | 59 | 59 | 58 | 58 | 57 | 56 | 56 | 56 | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 53 |
| Miserable (%) | 34 | 34 | 34 | 34 | 35 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 41 | 42 | 42 | 43 | 44 | 44 | 44 | 45 | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 47 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 66 | 34 |
| 2 | 66 | 34 |
| 3 | 66 | 34 |
| 4 | 66 | 34 |
| 5 | 65 | 35 |
| 6 | 65 | 35 |
| 7 | 64 | 36 |
| 8 | 63 | 37 |
| 9 | 62 | 38 |
| 10 | 61 | 39 |
| 11 | 60 | 40 |
| 12 | 59 | 41 |
| 13 | 59 | 41 |
| 14 | 58 | 42 |
| 15 | 58 | 42 |
| 16 | 57 | 43 |
| 17 | 56 | 44 |
| 18 | 56 | 44 |
| 19 | 56 | 44 |
| 20 | 55 | 45 |
| 21 | 55 | 45 |
| 22 | 55 | 45 |
| 23 | 54 | 46 |
| 24 | 54 | 46 |
| 25 | 54 | 46 |
| 26 | 54 | 46 |
| 27 | 54 | 46 |
| 28 | 53 | 47 |
Wind in February
Winds average 9 km/h in February.
Across February, daily wind ranges from about 9 km/h on the calmest days to 9 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 9 | calm |
| 25 | 9 | calm |
| 26 | 9 | calm |
| 27 | 9 | calm |
| 28 | 9 | calm |
Sunrise & sunset in February
Daylight runs from about 12 h 18 min at the start of February to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over February. Sunrise moves from 6:02 AM to 6:05 AM, and sunset from 6:17 PM to 6:13 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:02 | 6:02 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 | 6:05 |
| Sunset (PM) | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:15 | 6:15 | 6:15 | 6:15 | 6:14 | 6:14 | 6:14 | 6:13 | 6:13 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 6:02 | 6:17 |
| 2 | 12.3 | 6:02 | 6:17 |
| 3 | 12.3 | 6:02 | 6:17 |
| 4 | 12.2 | 6:02 | 6:17 |
| 5 | 12.2 | 6:03 | 6:17 |
| 6 | 12.2 | 6:03 | 6:17 |
| 7 | 12.2 | 6:03 | 6:17 |
| 8 | 12.2 | 6:03 | 6:17 |
| 9 | 12.2 | 6:03 | 6:17 |
| 10 | 12.2 | 6:04 | 6:17 |
| 11 | 12.2 | 6:04 | 6:17 |
| 12 | 12.2 | 6:04 | 6:17 |
| 13 | 12.2 | 6:04 | 6:17 |
| 14 | 12.2 | 6:04 | 6:16 |
| 15 | 12.2 | 6:04 | 6:16 |
| 16 | 12.2 | 6:05 | 6:16 |
| 17 | 12.2 | 6:05 | 6:16 |
| 18 | 12.2 | 6:05 | 6:16 |
| 19 | 12.2 | 6:05 | 6:16 |
| 20 | 12.2 | 6:05 | 6:15 |
| 21 | 12.2 | 6:05 | 6:15 |
| 22 | 12.2 | 6:05 | 6:15 |
| 23 | 12.2 | 6:05 | 6:15 |
| 24 | 12.2 | 6:05 | 6:14 |
| 25 | 12.1 | 6:05 | 6:14 |
| 26 | 12.1 | 6:05 | 6:14 |
| 27 | 12.1 | 6:05 | 6:13 |
| 28 | 12.1 | 6:05 | 6:13 |
Solar energy in February
Average shortwave solar energy reaching the ground each day in February, about 5.08 kWh/m².
For context, solar energy here swings from a low near 4.69 kWh/m² to a high of 6.03 kWh/m² in September across the year — February's 5.08 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 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 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 |
| 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 |
| 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 | 5.0 | Bright |
| 8 | 5.0 | Bright |
| 9 | 5.0 | Bright |
| 10 | 5.0 | Bright |
| 11 | 5.0 | Bright |
| 12 | 5.0 | Bright |
| 13 | 5.0 | Bright |
| 14 | 5.1 | Bright |
| 15 | 5.1 | Bright |
| 16 | 5.1 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.1 | Bright |
| 19 | 5.2 | Bright |
| 20 | 5.2 | Bright |
| 21 | 5.2 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.2 | Bright |
| 24 | 5.2 | Bright |
| 25 | 5.2 | Bright |
| 26 | 5.2 | Bright |
| 27 | 5.2 | Bright |
| 28 | 5.2 | Bright |
Hazard calendar for Cilegon
In February, Cilegon sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Cilegon sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is February a good time to visit Cilegon?
Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
February is a weaker month for outdoor sightseeing in Cilegon.
What to pack for Cilegon in February
From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In February, Cilegon sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.
Sea temperature near Cilegon in February
The nearest coast averages about 29°C in February — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 km away) is warmest in May at about 30°C and coldest in January near 29°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 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 30 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 30 | Tropical |
| Dec | 29 | Tropical |
UV index in Cilegon in February
Clear-sky midday UV in February 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 Cilegon peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 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) | 13 | 13 | 15 | 11 | 9 | 8 | 9 | 10 | 9 | 11 | 6 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Very high | Extreme | High | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 13 | Extreme |
| Mar | 15 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Very high |
| Sep | 9 | Very high |
| Oct | 11 | Extreme |
| Nov | 6 | High |
| Dec | 12 | Extreme |
Air quality in Cilegon in February
Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.
Air quality in Cilegon is worst in August — around 37 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (December, 14 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) | 16 | 18 | 17 | 24 | 36 | 33 | 35 | 37 | 36 | 33 | 22 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 18 | Moderate |
| Mar | 17 | Moderate |
| Apr | 24 | Moderate |
| May | 36 | Poor |
| Jun | 33 | Moderate |
| Jul | 35 | Poor |
| Aug | 37 | Poor |
| Sep | 36 | Poor |
| Oct | 33 | Moderate |
| Nov | 22 | Moderate |
| Dec | 14 | Moderate |
Where is Cilegon?
Cilegon sits at 6.0°S, 106.1°E, 18 m above sea level, in Indonesia. The nearest listed city is Serang, 16 km away.
Topography around Cilegon
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cilegon.
Within 3 km, the terrain around Cilegon has only modest variations in elevation — a maximum elevation change of 67 m around an average of 17 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 634 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,756 m.
The land around Cilegon is covered by artificial surfaces (48%) and trees (26%) within 3 km, trees (40%) and water (31%) within 16 km, and water (56%) and trees (30%) 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 Cilegon (-6.0144°, 106.0542°, elevation 18 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).