Rengasdengklok weather in December
In December, Rengasdengklok sees average daytime highs of 30°C and overnight lows near 24°C, with 302 mm of rain across 27.9 wet days and about 12.4 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 2% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 12 h 18 min at the start of December to 12 h 24 min by month's end. Set against the rest of the year, December is Rengasdengklok's 11th-clearest and 3rd-windiest month. For the whole year in context, see Rengasdengklok's year-round climate.
- Daytime high
- 30°
- 9th warmest
- Overnight low
- 24°
- 8th coldest
- Rainfall
- 302 mm
- 27.9 wet days
- Daylight
- 12 h 24 min
- 5:36 AM – 5:58 PM
- Cloud cover
- 89%
- 11th clearest
- Wind
- 8 km/h
- 3rd windiest
- Solar energy
- 4.93 kWh/m²
- Travel score
- 2.7
- out of 10
Temperature in December
Day-to-day highs hold fairly steady near 30°C through the month.
A typical December day in Rengasdengklok reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 24 |
| 2 | 31 | 24 |
| 3 | 31 | 24 |
| 4 | 31 | 24 |
| 5 | 31 | 24 |
| 6 | 31 | 24 |
| 7 | 31 | 24 |
| 8 | 31 | 24 |
| 9 | 31 | 24 |
| 10 | 30 | 24 |
| 11 | 30 | 24 |
| 12 | 30 | 24 |
| 13 | 30 | 24 |
| 14 | 30 | 24 |
| 15 | 30 | 24 |
| 16 | 30 | 24 |
| 17 | 30 | 24 |
| 18 | 30 | 24 |
| 19 | 30 | 24 |
| 20 | 30 | 24 |
| 21 | 30 | 24 |
| 22 | 30 | 24 |
| 23 | 30 | 24 |
| 24 | 30 | 24 |
| 25 | 30 | 24 |
| 26 | 30 | 24 |
| 27 | 30 | 24 |
| 28 | 30 | 24 |
| 29 | 30 | 24 |
| 30 | 30 | 24 |
| 31 | 30 | 24 |
How December really feels in Rengasdengklok
Once humidity and wind are folded in, December averages 31 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 December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Rengasdengklok weather by month
How December compares with the rest of the year at a glance. December is the 9th-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 | 30° / 24° | 343 | 29.1 | 12.3 | 2.8 |
| Feb | 30° / 24° | 327 | 26.9 | 12.2 | 2.7 |
| Mar | 30° / 24° | 300 | 29.3 | 12 | 2.6 |
| Apr | 31° / 24° | 236 | 26.9 | 11.9 | 2.7 |
| May | 31° / 24° | 135 | 21.1 | 11.7 | 3.3 |
| Jun | 31° / 24° | 89 | 15.4 | 11.6 | 4.0 |
| Jul | 31° / 23° | 66 | 11.5 | 11.7 | 4.5 |
| Aug | 31° / 23° | 38 | 7.8 | 11.8 | 4.6 |
| Sep | 32° / 24° | 59 | 11 | 12 | 4.0 |
| Oct | 32° / 24° | 157 | 20.4 | 12.1 | 3.1 |
| Nov | 31° / 24° | 271 | 26.9 | 12.3 | 2.6 |
| Dec | 30° / 24° | 302 | 27.9 | 12.4 | 2.7 |
Cloud cover in December
The sky is clear or mostly clear about 2% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 5% of December, with mostly cloudy or overcast conditions the remaining 93%.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 |
| Cloudier (%) | 93 | 93 | 93 | 93 | 93 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 7 | 93 |
| 2 | 7 | 93 |
| 3 | 7 | 93 |
| 4 | 7 | 93 |
| 5 | 7 | 93 |
| 6 | 6 | 94 |
| 7 | 6 | 94 |
| 8 | 6 | 94 |
| 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 | 7 | 93 |
| 19 | 7 | 93 |
| 20 | 7 | 93 |
| 21 | 7 | 93 |
| 22 | 7 | 93 |
| 23 | 7 | 93 |
| 24 | 7 | 93 |
| 25 | 7 | 93 |
| 26 | 7 | 93 |
| 27 | 7 | 93 |
| 28 | 7 | 93 |
| 29 | 8 | 92 |
| 30 | 8 | 92 |
| 31 | 8 | 92 |
Chance of precipitation in December
Rengasdengklok gets around 302 mm of rain over 27.9 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 90% and peaks near 92% 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 90 | 90 | 90 | 90 | 90 | 90 | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 90 | 90 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 90 | 90 |
| Rain chance (%) | |
|---|---|
| 1 | 90 |
| 2 | 90 |
| 3 | 90 |
| 4 | 90 |
| 5 | 90 |
| 6 | 90 |
| 7 | 91 |
| 8 | 91 |
| 9 | 91 |
| 10 | 92 |
| 11 | 92 |
| 12 | 92 |
| 13 | 92 |
| 14 | 92 |
| 15 | 92 |
| 16 | 91 |
| 17 | 91 |
| 18 | 91 |
| 19 | 90 |
| 20 | 90 |
| 21 | 89 |
| 22 | 89 |
| 23 | 89 |
| 24 | 89 |
| 25 | 89 |
| 26 | 89 |
| 27 | 89 |
| 28 | 89 |
| 29 | 89 |
| 30 | 90 |
| 31 | 90 |
Humidity in December
Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the oppressive band about 75% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 74 | 74 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 78 | 78 | 78 | 78 | 78 | 79 | 79 |
| Miserable (%) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 21 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 0 | 73 | 27 |
| 2 | 1 | 72 | 27 |
| 3 | 1 | 72 | 27 |
| 4 | 1 | 72 | 27 |
| 5 | 1 | 72 | 27 |
| 6 | 1 | 72 | 27 |
| 7 | 1 | 72 | 27 |
| 8 | 1 | 72 | 27 |
| 9 | 1 | 72 | 27 |
| 10 | 1 | 73 | 26 |
| 11 | 1 | 73 | 26 |
| 12 | 0 | 74 | 26 |
| 13 | 0 | 74 | 26 |
| 14 | 0 | 75 | 25 |
| 15 | 0 | 75 | 25 |
| 16 | 0 | 75 | 25 |
| 17 | 0 | 75 | 25 |
| 18 | 0 | 76 | 24 |
| 19 | 0 | 76 | 24 |
| 20 | 0 | 76 | 24 |
| 21 | 0 | 77 | 23 |
| 22 | 0 | 77 | 23 |
| 23 | 0 | 77 | 23 |
| 24 | 0 | 77 | 23 |
| 25 | 0 | 78 | 22 |
| 26 | 0 | 78 | 22 |
| 27 | 0 | 78 | 22 |
| 28 | 0 | 78 | 22 |
| 29 | 0 | 78 | 22 |
| 30 | 0 | 79 | 21 |
| 31 | 0 | 79 | 21 |
Wind in December
Winds average 8 km/h in December.
Across December, daily wind ranges from about 7 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 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 | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | 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 |
| 29 | 9 | calm |
| 30 | 9 | calm |
| 31 | 9 | calm |
Sunrise & sunset in December
Daylight runs from about 12 h 18 min at the start of December to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over December. Sunrise moves from 5:31 AM to 5:43 AM, and sunset from 5:51 PM to 6:05 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 |
| Sunrise (AM) | 5:31 | 5:31 | 5:31 | 5:32 | 5:32 | 5:32 | 5:33 | 5:33 | 5:33 | 5:34 | 5:34 | 5:35 | 5:35 | 5:35 | 5:36 | 5:36 | 5:37 | 5:37 | 5:38 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:40 | 5:41 | 5:41 | 5:42 | 5:42 | 5:43 | 5:43 |
| Sunset (PM) | 5:51 | 5:51 | 5:51 | 5:52 | 5:52 | 5:53 | 5:53 | 5:54 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 5:31 | 5:51 |
| 2 | 12.3 | 5:31 | 5:51 |
| 3 | 12.3 | 5:31 | 5:51 |
| 4 | 12.3 | 5:32 | 5:52 |
| 5 | 12.3 | 5:32 | 5:52 |
| 6 | 12.3 | 5:32 | 5:53 |
| 7 | 12.3 | 5:33 | 5:53 |
| 8 | 12.3 | 5:33 | 5:54 |
| 9 | 12.3 | 5:33 | 5:54 |
| 10 | 12.3 | 5:34 | 5:55 |
| 11 | 12.4 | 5:34 | 5:55 |
| 12 | 12.4 | 5:35 | 5:56 |
| 13 | 12.4 | 5:35 | 5:56 |
| 14 | 12.4 | 5:35 | 5:57 |
| 15 | 12.4 | 5:36 | 5:57 |
| 16 | 12.4 | 5:36 | 5:58 |
| 17 | 12.4 | 5:37 | 5:58 |
| 18 | 12.4 | 5:37 | 5:59 |
| 19 | 12.4 | 5:38 | 5:59 |
| 20 | 12.4 | 5:38 | 6:00 |
| 21 | 12.4 | 5:39 | 6:00 |
| 22 | 12.4 | 5:39 | 6:01 |
| 23 | 12.4 | 5:40 | 6:01 |
| 24 | 12.4 | 5:40 | 6:01 |
| 25 | 12.4 | 5:40 | 6:02 |
| 26 | 12.4 | 5:41 | 6:02 |
| 27 | 12.4 | 5:41 | 6:03 |
| 28 | 12.4 | 5:42 | 6:03 |
| 29 | 12.4 | 5:42 | 6:04 |
| 30 | 12.4 | 5:43 | 6:04 |
| 31 | 12.4 | 5:43 | 6:05 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.93 kWh/m².
For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.43 kWh/m² in September across the year — December's 4.93 kWh/m² sits near the bottom.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 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 |
| 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 | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.1 | Bright |
| 2 | 5.1 | Bright |
| 3 | 5.1 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.1 | Bright |
| 6 | 5.0 | 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 | 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 | 4.9 | Bright |
| 23 | 4.9 | Bright |
| 24 | 4.9 | Bright |
| 25 | 4.9 | Bright |
| 26 | 4.9 | Bright |
| 27 | 4.9 | Bright |
| 28 | 4.9 | Bright |
| 29 | 4.9 | Bright |
| 30 | 4.9 | Bright |
| 31 | 4.9 | Bright |
Hazard calendar for Rengasdengklok
In December, Rengasdengklok sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Rengasdengklok sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Rengasdengklok's rainy season runs October–April, when most of the year's rain falls.
Is December a good time to visit Rengasdengklok?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Rengasdengklok.
What to pack for Rengasdengklok in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Rengasdengklok sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.
Sea temperature near Rengasdengklok in December
The nearest coast averages about 29°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 33 km away) is warmest in May at about 30°C and coldest in February near 28°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 | 28 | 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 | 28 | 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 Rengasdengklok in December
Clear-sky midday UV in December peaks 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 Rengasdengklok peaks around March 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 13 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 | 12 | 15 | 13 | 10 | 8 | 9 | 10 | 11 | 8 | 6 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Very high | High | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 12 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 10 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Extreme |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 12 | Extreme |
Air quality in Rengasdengklok in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Rengasdengklok is worst in May — around 69 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) | 48 | 48 | 62 | 68 | 69 | 65 | 58 | 59 | 64 | 68 | 69 | 50 |
| Level | Poor | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 48 | Poor |
| Feb | 48 | Poor |
| Mar | 62 | Unhealthy |
| Apr | 68 | Unhealthy |
| May | 69 | Unhealthy |
| Jun | 65 | Unhealthy |
| Jul | 58 | Unhealthy |
| Aug | 59 | Unhealthy |
| Sep | 64 | Unhealthy |
| Oct | 68 | Unhealthy |
| Nov | 69 | Unhealthy |
| Dec | 50 | Poor |
Where is Rengasdengklok?
Rengasdengklok sits at 6.2°S, 107.3°E, 10 m above sea level, in Indonesia. The nearest listed city is Karawang, 16 km away.
Topography around Rengasdengklok
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rengasdengklok.
Within 3 km, the terrain around Rengasdengklok has only modest variations in elevation — a maximum elevation change of 17 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 25 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,001 m.
The land around Rengasdengklok is covered by cropland (58%) and artificial surfaces (23%) within 3 km, cropland (81%) within 16 km, and water (39%) and trees (25%) 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 Rengasdengklok (-6.1592°, 107.2981°, elevation 10 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).