Tanjungbalai weather in December
In December, Tanjungbalai sees average daytime highs of 30°C and overnight lows near 24°C, with 333 mm of rain across 28.4 wet days and about 11.8 hours of daylight. It is the 12th-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 1% of the time in December, and the air most often feels miserable.
Daylight stretches from about 11 h 48 min at the start of December to 11 h 48 min by month's end. Set against the rest of the year, December is Tanjungbalai's 11th-clearest and 1st-windiest month. For the whole year in context, see Tanjungbalai's year-round climate.
- Daytime high
- 30°
- 12th warmest
- Overnight low
- 24°
- 2nd coldest
- Rainfall
- 333 mm
- 28.4 wet days
- Daylight
- 11 h 48 min
- 6:22 AM – 6:12 PM
- Cloud cover
- 91%
- 11th clearest
- Wind
- 7 km/h
- 1st windiest
- Solar energy
- 4.33 kWh/m²
- Travel score
- 2.8
- out of 10
Tanjungbalai is city in North Sumatra Province, Indonesia.
- Density
- 3,155/km²
- people per km²
- Founded
- 1620
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 30°C through the month.
A typical December day in Tanjungbalai 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 28°C and 31°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) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 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) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 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 | 30 | 25 |
| 2 | 30 | 25 |
| 3 | 30 | 25 |
| 4 | 30 | 25 |
| 5 | 30 | 25 |
| 6 | 30 | 25 |
| 7 | 30 | 25 |
| 8 | 30 | 25 |
| 9 | 30 | 25 |
| 10 | 30 | 25 |
| 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 Tanjungbalai
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.
Tanjungbalai weather by month
How December compares with the rest of the year at a glance. December is the 12th-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° | 215 | 26.1 | 11.8 | 3.0 |
| Feb | 31° / 25° | 157 | 22 | 11.9 | 3.0 |
| Mar | 31° / 25° | 192 | 25.5 | 12 | 2.7 |
| Apr | 31° / 25° | 233 | 28.3 | 12.1 | 2.3 |
| May | 32° / 25° | 235 | 27.4 | 12.1 | 2.4 |
| Jun | 32° / 25° | 171 | 22.5 | 12.2 | 2.8 |
| Jul | 31° / 25° | 177 | 22.9 | 12.2 | 3.0 |
| Aug | 31° / 25° | 216 | 25.7 | 12.1 | 2.7 |
| Sep | 31° / 25° | 282 | 28.2 | 12 | 2.5 |
| Oct | 30° / 25° | 333 | 29.6 | 11.9 | 2.5 |
| Nov | 30° / 25° | 367 | 29.5 | 11.9 | 2.5 |
| Dec | 30° / 24° | 333 | 28.4 | 11.8 | 2.8 |
Cloud cover in December
The sky is clear or mostly clear about 1% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 4% of December, with mostly cloudy or overcast conditions the remaining 94%.
| 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 (%) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 9 | 10 |
| Cloudier (%) | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 92 | 91 | 90 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 4 | 96 |
| 2 | 4 | 96 |
| 3 | 4 | 96 |
| 4 | 4 | 96 |
| 5 | 4 | 96 |
| 6 | 4 | 96 |
| 7 | 4 | 96 |
| 8 | 4 | 96 |
| 9 | 4 | 96 |
| 10 | 4 | 96 |
| 11 | 4 | 96 |
| 12 | 6 | 94 |
| 13 | 6 | 94 |
| 14 | 6 | 94 |
| 15 | 6 | 94 |
| 16 | 6 | 94 |
| 17 | 5 | 95 |
| 18 | 5 | 95 |
| 19 | 5 | 95 |
| 20 | 5 | 95 |
| 21 | 5 | 95 |
| 22 | 6 | 94 |
| 23 | 6 | 94 |
| 24 | 6 | 94 |
| 25 | 6 | 94 |
| 26 | 7 | 93 |
| 27 | 7 | 93 |
| 28 | 7 | 93 |
| 29 | 8 | 92 |
| 30 | 9 | 91 |
| 31 | 10 | 90 |
Chance of precipitation in December
Tanjungbalai gets around 333 mm of rain over 28.4 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 91% and peaks near 96% on the wettest days. The odds ease toward the end of the month.
| 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 (%) | 96 | 96 | 95 | 95 | 94 | 94 | 93 | 93 | 92 | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 89 | 89 | 88 | 88 | 87 |
| Rain chance (%) | |
|---|---|
| 1 | 96 |
| 2 | 96 |
| 3 | 95 |
| 4 | 95 |
| 5 | 94 |
| 6 | 94 |
| 7 | 93 |
| 8 | 93 |
| 9 | 92 |
| 10 | 92 |
| 11 | 92 |
| 12 | 92 |
| 13 | 91 |
| 14 | 91 |
| 15 | 91 |
| 16 | 91 |
| 17 | 91 |
| 18 | 91 |
| 19 | 91 |
| 20 | 91 |
| 21 | 91 |
| 22 | 91 |
| 23 | 90 |
| 24 | 90 |
| 25 | 90 |
| 26 | 90 |
| 27 | 89 |
| 28 | 89 |
| 29 | 88 |
| 30 | 88 |
| 31 | 87 |
Humidity in December
Most of December feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the miserable band about 79% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 19 | 20 | 21 | 21 | 22 | 23 | 24 | 25 | 25 | 26 | 27 | 28 | 28 | 29 | 29 | 30 | 30 |
| Miserable (%) | 88 | 87 | 87 | 86 | 86 | 85 | 85 | 84 | 84 | 83 | 83 | 82 | 82 | 81 | 81 | 80 | 79 | 79 | 78 | 77 | 76 | 75 | 75 | 74 | 73 | 72 | 72 | 71 | 71 | 70 | 70 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 12 | 88 |
| 2 | 13 | 87 |
| 3 | 13 | 87 |
| 4 | 14 | 86 |
| 5 | 14 | 86 |
| 6 | 15 | 85 |
| 7 | 15 | 85 |
| 8 | 16 | 84 |
| 9 | 16 | 84 |
| 10 | 17 | 83 |
| 11 | 17 | 83 |
| 12 | 18 | 82 |
| 13 | 18 | 82 |
| 14 | 19 | 81 |
| 15 | 19 | 81 |
| 16 | 20 | 80 |
| 17 | 21 | 79 |
| 18 | 21 | 79 |
| 19 | 22 | 78 |
| 20 | 23 | 77 |
| 21 | 24 | 76 |
| 22 | 25 | 75 |
| 23 | 25 | 75 |
| 24 | 26 | 74 |
| 25 | 27 | 73 |
| 26 | 28 | 72 |
| 27 | 28 | 72 |
| 28 | 29 | 71 |
| 29 | 29 | 71 |
| 30 | 30 | 70 |
| 31 | 30 | 70 |
Wind in December
Winds average 7 km/h in December, the windiest month of the year.
Across December, daily wind ranges from about 7 km/h on the calmest days to 7 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 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in December
Daylight runs from about 11 h 48 min at the start of December to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 6:15 AM to 6:29 AM, and sunset from 6:06 PM to 6:19 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) | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 |
| Sunset (PM) | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:15 | 6:06 |
| 2 | 11.8 | 6:16 | 6:06 |
| 3 | 11.8 | 6:16 | 6:06 |
| 4 | 11.8 | 6:17 | 6:07 |
| 5 | 11.8 | 6:17 | 6:07 |
| 6 | 11.8 | 6:17 | 6:08 |
| 7 | 11.8 | 6:18 | 6:08 |
| 8 | 11.8 | 6:18 | 6:08 |
| 9 | 11.8 | 6:19 | 6:09 |
| 10 | 11.8 | 6:19 | 6:09 |
| 11 | 11.8 | 6:20 | 6:10 |
| 12 | 11.8 | 6:20 | 6:10 |
| 13 | 11.8 | 6:21 | 6:11 |
| 14 | 11.8 | 6:21 | 6:11 |
| 15 | 11.8 | 6:22 | 6:11 |
| 16 | 11.8 | 6:22 | 6:12 |
| 17 | 11.8 | 6:23 | 6:12 |
| 18 | 11.8 | 6:23 | 6:13 |
| 19 | 11.8 | 6:24 | 6:13 |
| 20 | 11.8 | 6:24 | 6:14 |
| 21 | 11.8 | 6:24 | 6:14 |
| 22 | 11.8 | 6:25 | 6:15 |
| 23 | 11.8 | 6:25 | 6:15 |
| 24 | 11.8 | 6:26 | 6:16 |
| 25 | 11.8 | 6:26 | 6:16 |
| 26 | 11.8 | 6:27 | 6:17 |
| 27 | 11.8 | 6:27 | 6:17 |
| 28 | 11.8 | 6:28 | 6:17 |
| 29 | 11.8 | 6:28 | 6:18 |
| 30 | 11.8 | 6:29 | 6:18 |
| 31 | 11.8 | 6:29 | 6:19 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.33 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 5.6 kWh/m² in March across the year — December's 4.33 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) | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 |
| 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 | 4.3 | Bright |
| 2 | 4.3 | Bright |
| 3 | 4.3 | Bright |
| 4 | 4.3 | Bright |
| 5 | 4.3 | Bright |
| 6 | 4.3 | Bright |
| 7 | 4.3 | Bright |
| 8 | 4.3 | Bright |
| 9 | 4.3 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.3 | Bright |
| 12 | 4.3 | Bright |
| 13 | 4.3 | Bright |
| 14 | 4.3 | Bright |
| 15 | 4.3 | Bright |
| 16 | 4.3 | Bright |
| 17 | 4.3 | Bright |
| 18 | 4.4 | Bright |
| 19 | 4.4 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.4 | Bright |
| 24 | 4.4 | Bright |
| 25 | 4.4 | Bright |
| 26 | 4.4 | Bright |
| 27 | 4.4 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.5 | Bright |
| 30 | 4.5 | Bright |
| 31 | 4.5 | Bright |
Hazard calendar for Tanjungbalai
In December, Tanjungbalai sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Tanjungbalai sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Is December a good time to visit Tanjungbalai?
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 Tanjungbalai.
What to pack for Tanjungbalai in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Tanjungbalai sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 28 days see rain.
Sea temperature near Tanjungbalai 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 19 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 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 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 | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 30 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Tanjungbalai in December
Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tanjungbalai peaks around February 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 10 (extreme).
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 | 14 | 14 | 13 | 12 | 10 | 11 | 12 | 13 | 13 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Tanjungbalai 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 Tanjungbalai is worst in September — around 30 µg/m³ PM2.5 (moderate), 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) | 22 | 25 | 27 | 25 | 25 | 23 | 27 | 28 | 30 | 28 | 20 | 19 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 22 | Moderate |
| Feb | 25 | Moderate |
| Mar | 27 | Moderate |
| Apr | 25 | Moderate |
| May | 25 | Moderate |
| Jun | 23 | Moderate |
| Jul | 27 | Moderate |
| Aug | 28 | Moderate |
| Sep | 30 | Moderate |
| Oct | 28 | Moderate |
| Nov | 20 | Moderate |
| Dec | 19 | Moderate |
Where is Tanjungbalai?
Tanjungbalai sits at 3.0°N, 99.8°E, 4 m above sea level, in Indonesia. The nearest listed city is Teluk Nibung, 4.0 km away.
Topography around Tanjungbalai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tanjungbalai.
Within 3 km, the terrain around Tanjungbalai has only modest variations in elevation — a maximum elevation change of 17 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,136 m.
The land around Tanjungbalai is covered by trees (59%) and artificial surfaces (25%) within 3 km, trees (74%) within 16 km, and trees (56%) 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 Tanjungbalai (2.9667°, 99.8°, elevation 4 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).