Langsa weather in January
In January, Langsa sees average daytime highs of 30°C and overnight lows near 24°C, with 138 mm of rain across 20.8 wet days and about 11.8 hours of daylight. It is the 10th-warmest and 6th-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 6% of the time in January, and the air most often feels miserable.
Daylight stretches from about 11 h 42 min at the start of January to 11 h 48 min by month's end. Set against the rest of the year, January is Langsa's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Langsa's year-round climate.
- Daytime high
- 30°
- 10th warmest
- Overnight low
- 24°
- 1st coldest
- Rainfall
- 138 mm
- 20.8 wet days
- Daylight
- 11 h 48 min
- 6:44 AM – 6:30 PM
- Cloud cover
- 81%
- 3rd clearest
- Wind
- 5 km/h
- 2nd windiest
- Solar energy
- 4.87 kWh/m²
- Travel score
- 3.5
- out of 10
Langsa is city in Aceh Province, Indonesia.
- Density
- 701/km²
- people per km²
- Founded
- 2001
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 30°C through the month.
A typical January day in Langsa 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, January runs on par with December and on par with February.
| 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 | 31 | 31 | 31 | 31 | 31 | 31 |
| 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 | 30 | 24 |
| 2 | 30 | 24 |
| 3 | 30 | 24 |
| 4 | 30 | 24 |
| 5 | 30 | 24 |
| 6 | 30 | 24 |
| 7 | 30 | 24 |
| 8 | 30 | 24 |
| 9 | 30 | 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 | 31 | 24 |
| 27 | 31 | 24 |
| 28 | 31 | 24 |
| 29 | 31 | 24 |
| 30 | 31 | 24 |
| 31 | 31 | 24 |
How January really feels in Langsa
Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Langsa weather by month
How January compares with the rest of the year at a glance. January is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 24° | 138 | 20.8 | 11.8 | 3.5 |
| Feb | 31° / 24° | 87 | 16.1 | 11.9 | 3.5 |
| Mar | 32° / 25° | 109 | 18.9 | 12 | 3.0 |
| Apr | 32° / 25° | 133 | 23.4 | 12.1 | 2.4 |
| May | 32° / 26° | 148 | 23.6 | 12.2 | 2.4 |
| Jun | 33° / 25° | 100 | 18 | 12.3 | 2.8 |
| Jul | 33° / 25° | 102 | 18.3 | 12.2 | 2.8 |
| Aug | 32° / 25° | 126 | 20.8 | 12.1 | 2.7 |
| Sep | 32° / 25° | 179 | 25.5 | 12 | 2.5 |
| Oct | 31° / 25° | 225 | 28 | 11.9 | 2.5 |
| Nov | 30° / 25° | 288 | 28.1 | 11.8 | 2.6 |
| Dec | 30° / 24° | 269 | 26.2 | 11.7 | 3.0 |
Cloud cover in January
The sky is clear or mostly clear about 6% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 83%.
| 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 (%) | 14 | 15 | 15 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 21 |
| Cloudier (%) | 86 | 85 | 85 | 83 | 83 | 83 | 83 | 82 | 82 | 82 | 82 | 82 | 83 | 84 | 84 | 84 | 84 | 84 | 83 | 83 | 83 | 82 | 81 | 81 | 81 | 81 | 80 | 80 | 80 | 79 | 79 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 14 | 86 |
| 2 | 15 | 85 |
| 3 | 15 | 85 |
| 4 | 17 | 83 |
| 5 | 17 | 83 |
| 6 | 17 | 83 |
| 7 | 17 | 83 |
| 8 | 18 | 82 |
| 9 | 18 | 82 |
| 10 | 18 | 82 |
| 11 | 18 | 82 |
| 12 | 18 | 82 |
| 13 | 17 | 83 |
| 14 | 16 | 84 |
| 15 | 16 | 84 |
| 16 | 16 | 84 |
| 17 | 16 | 84 |
| 18 | 16 | 84 |
| 19 | 17 | 83 |
| 20 | 17 | 83 |
| 21 | 17 | 83 |
| 22 | 18 | 82 |
| 23 | 19 | 81 |
| 24 | 19 | 81 |
| 25 | 19 | 81 |
| 26 | 19 | 81 |
| 27 | 20 | 80 |
| 28 | 20 | 80 |
| 29 | 20 | 80 |
| 30 | 21 | 79 |
| 31 | 21 | 79 |
Chance of precipitation in January
Langsa gets around 138 mm of rain over 20.8 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 67% and peaks near 77% 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 (%) | 77 | 76 | 76 | 75 | 74 | 73 | 72 | 71 | 70 | 70 | 69 | 68 | 68 | 67 | 66 | 66 | 65 | 65 | 64 | 63 | 63 | 63 | 62 | 62 | 62 | 62 | 61 | 61 | 60 | 60 | 59 |
| Rain chance (%) | |
|---|---|
| 1 | 77 |
| 2 | 76 |
| 3 | 76 |
| 4 | 75 |
| 5 | 74 |
| 6 | 73 |
| 7 | 72 |
| 8 | 71 |
| 9 | 70 |
| 10 | 70 |
| 11 | 69 |
| 12 | 68 |
| 13 | 68 |
| 14 | 67 |
| 15 | 66 |
| 16 | 66 |
| 17 | 65 |
| 18 | 65 |
| 19 | 64 |
| 20 | 63 |
| 21 | 63 |
| 22 | 63 |
| 23 | 62 |
| 24 | 62 |
| 25 | 62 |
| 26 | 62 |
| 27 | 61 |
| 28 | 61 |
| 29 | 60 |
| 30 | 60 |
| 31 | 59 |
Humidity in January
Most of January feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the miserable band about 63% 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 (%) | 35 | 35 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 33 | 33 | 34 | 34 | 35 | 35 | 36 | 37 | 37 | 38 | 39 | 40 | 41 | 41 | 42 | 42 | 43 | 43 | 44 | 44 | 44 | 44 |
| Miserable (%) | 65 | 65 | 66 | 66 | 67 | 67 | 67 | 68 | 68 | 67 | 67 | 66 | 66 | 65 | 65 | 64 | 63 | 63 | 62 | 61 | 60 | 59 | 59 | 58 | 58 | 57 | 57 | 56 | 56 | 56 | 56 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 35 | 65 |
| 2 | 35 | 65 |
| 3 | 34 | 66 |
| 4 | 34 | 66 |
| 5 | 33 | 67 |
| 6 | 33 | 67 |
| 7 | 33 | 67 |
| 8 | 32 | 68 |
| 9 | 32 | 68 |
| 10 | 33 | 67 |
| 11 | 33 | 67 |
| 12 | 34 | 66 |
| 13 | 34 | 66 |
| 14 | 35 | 65 |
| 15 | 35 | 65 |
| 16 | 36 | 64 |
| 17 | 37 | 63 |
| 18 | 37 | 63 |
| 19 | 38 | 62 |
| 20 | 39 | 61 |
| 21 | 40 | 60 |
| 22 | 41 | 59 |
| 23 | 41 | 59 |
| 24 | 42 | 58 |
| 25 | 42 | 58 |
| 26 | 43 | 57 |
| 27 | 43 | 57 |
| 28 | 44 | 56 |
| 29 | 44 | 56 |
| 30 | 44 | 56 |
| 31 | 44 | 56 |
Wind in January
Winds average 5 km/h in January.
Across January, daily wind ranges from about 5 km/h on the calmest days to 6 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in January
Daylight runs from about 11 h 42 min at the start of January to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over January. Sunrise moves from 6:39 AM to 6:47 AM, and sunset from 6:24 PM to 6:36 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) | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 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) | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:45 | 6:45 | 6:45 | 6:45 | 6:46 | 6:46 | 6:46 | 6:46 | 6:47 | 6:47 | 6:47 | 6:47 | 6:47 | 6:47 | 6:47 |
| Sunset (PM) | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:32 | 6:33 | 6:33 | 6:33 | 6:34 | 6:34 | 6:34 | 6:35 | 6:35 | 6:35 | 6:36 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.7 | 6:39 | 6:24 |
| 2 | 11.7 | 6:39 | 6:24 |
| 3 | 11.7 | 6:40 | 6:25 |
| 4 | 11.7 | 6:40 | 6:25 |
| 5 | 11.7 | 6:41 | 6:26 |
| 6 | 11.8 | 6:41 | 6:26 |
| 7 | 11.8 | 6:41 | 6:26 |
| 8 | 11.8 | 6:42 | 6:27 |
| 9 | 11.8 | 6:42 | 6:27 |
| 10 | 11.8 | 6:42 | 6:28 |
| 11 | 11.8 | 6:43 | 6:28 |
| 12 | 11.8 | 6:43 | 6:29 |
| 13 | 11.8 | 6:43 | 6:29 |
| 14 | 11.8 | 6:44 | 6:30 |
| 15 | 11.8 | 6:44 | 6:30 |
| 16 | 11.8 | 6:44 | 6:30 |
| 17 | 11.8 | 6:45 | 6:31 |
| 18 | 11.8 | 6:45 | 6:31 |
| 19 | 11.8 | 6:45 | 6:32 |
| 20 | 11.8 | 6:45 | 6:32 |
| 21 | 11.8 | 6:46 | 6:32 |
| 22 | 11.8 | 6:46 | 6:33 |
| 23 | 11.8 | 6:46 | 6:33 |
| 24 | 11.8 | 6:46 | 6:33 |
| 25 | 11.8 | 6:47 | 6:34 |
| 26 | 11.8 | 6:47 | 6:34 |
| 27 | 11.8 | 6:47 | 6:34 |
| 28 | 11.8 | 6:47 | 6:35 |
| 29 | 11.8 | 6:47 | 6:35 |
| 30 | 11.8 | 6:47 | 6:35 |
| 31 | 11.8 | 6:47 | 6:36 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 4.87 kWh/m².
For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 5.71 kWh/m² in March across the year — January's 4.87 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 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.4 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 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 | 5.2 | 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 | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.4 | Bright |
| 2 | 4.5 | Bright |
| 3 | 4.5 | Bright |
| 4 | 4.5 | Bright |
| 5 | 4.6 | Bright |
| 6 | 4.6 | Bright |
| 7 | 4.7 | Bright |
| 8 | 4.7 | Bright |
| 9 | 4.7 | Bright |
| 10 | 4.8 | Bright |
| 11 | 4.8 | Bright |
| 12 | 4.8 | Bright |
| 13 | 4.8 | Bright |
| 14 | 4.9 | Bright |
| 15 | 4.9 | Bright |
| 16 | 4.9 | Bright |
| 17 | 4.9 | Bright |
| 18 | 4.9 | Bright |
| 19 | 5.0 | Bright |
| 20 | 5.0 | Bright |
| 21 | 5.0 | Bright |
| 22 | 5.0 | Bright |
| 23 | 5.0 | Bright |
| 24 | 5.0 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Hazard calendar for Langsa
In January, Langsa sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Langsa sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Langsa's rainy season runs September–January, when most of the year's rain falls.
Is January a good time to visit Langsa?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in Langsa.
What to pack for Langsa in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Langsa sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.
Sea temperature near Langsa in January
The nearest coast averages about 29°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 25 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 | 29 | 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 | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Langsa in January
Clear-sky midday UV in January 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 Langsa peaks around February 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 | 14 | 12 | 11 | 10 | 11 | 13 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Langsa in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Langsa is worst in September — around 21 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 12 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) | 14 | 16 | 19 | 19 | 18 | 19 | 21 | 20 | 21 | 17 | 12 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 16 | Moderate |
| Mar | 19 | Moderate |
| Apr | 19 | Moderate |
| May | 18 | Moderate |
| Jun | 19 | Moderate |
| Jul | 21 | Moderate |
| Aug | 20 | Moderate |
| Sep | 21 | Moderate |
| Oct | 17 | Moderate |
| Nov | 12 | Good |
| Dec | 12 | Good |
Where is Langsa?
Langsa sits at 4.5°N, 98.0°E, 10 m above sea level, in Indonesia. The nearest listed city is Pangkalan Brandan, 60 km away.
Topography around Langsa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Langsa.
Within 3 km, the terrain around Langsa has only modest variations in elevation — a maximum elevation change of 45 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 297 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,050 m.
The land around Langsa is covered by trees (43%) and artificial surfaces (36%) within 3 km, trees (58%) within 16 km, and trees (63%) and water (32%) 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 Langsa (4.4683°, 97.9683°, 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).