Subulussalam weather in April
In April, Subulussalam sees average daytime highs of 30°C and overnight lows near 21°C, with 368 mm of rain across 27.3 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 4th-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 April, and the air most often feels oppressive.
Daylight stretches from about 12 hours at the start of April to 12 h 06 min by month's end. Set against the rest of the year, April is Subulussalam's 8th-clearest and 7th-windiest month. For the whole year in context, see Subulussalam's year-round climate.
- Daytime high
- 30°
- 5th warmest
- Overnight low
- 21°
- 11th coldest
- Rainfall
- 368 mm
- 27.3 wet days
- Daylight
- 12 h 06 min
- 6:27 AM – 6:30 PM
- Cloud cover
- 90%
- 8th clearest
- Wind
- 3 km/h
- 7th windiest
- Solar energy
- 4.82 kWh/m²
- Travel score
- 2.8
- out of 10
Temperature in April
Day-to-day highs hold fairly steady near 30°C through the month.
A typical April day in Subulussalam reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, April runs on par with March and on par with May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 21 |
| 2 | 30 | 21 |
| 3 | 30 | 21 |
| 4 | 30 | 21 |
| 5 | 30 | 21 |
| 6 | 30 | 21 |
| 7 | 30 | 21 |
| 8 | 30 | 21 |
| 9 | 30 | 21 |
| 10 | 30 | 21 |
| 11 | 30 | 21 |
| 12 | 30 | 21 |
| 13 | 30 | 21 |
| 14 | 30 | 21 |
| 15 | 30 | 21 |
| 16 | 30 | 21 |
| 17 | 30 | 21 |
| 18 | 30 | 21 |
| 19 | 30 | 21 |
| 20 | 30 | 21 |
| 21 | 30 | 21 |
| 22 | 30 | 21 |
| 23 | 30 | 21 |
| 24 | 30 | 21 |
| 25 | 30 | 21 |
| 26 | 30 | 21 |
| 27 | 30 | 21 |
| 28 | 30 | 21 |
| 29 | 30 | 21 |
| 30 | 30 | 21 |
How April really feels in Subulussalam
Once humidity and wind are folded in, April averages 30 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 April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Subulussalam weather by month
How April compares with the rest of the year at a glance. April is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 20° | 327 | 26.3 | 11.9 | 3.1 |
| Feb | 30° / 20° | 289 | 23.9 | 11.9 | 2.9 |
| Mar | 30° / 21° | 339 | 28.2 | 12 | 2.8 |
| Apr | 30° / 21° | 368 | 27.3 | 12.1 | 2.8 |
| May | 30° / 21° | 264 | 21.4 | 12.1 | 3.4 |
| Jun | 30° / 21° | 150 | 16.7 | 12.2 | 3.9 |
| Jul | 30° / 20° | 160 | 17.7 | 12.1 | 4.0 |
| Aug | 29° / 20° | 238 | 20.7 | 12.1 | 3.8 |
| Sep | 29° / 21° | 295 | 22.5 | 12 | 3.6 |
| Oct | 29° / 21° | 419 | 26 | 11.9 | 3.4 |
| Nov | 28° / 21° | 510 | 28.2 | 11.9 | 3.1 |
| Dec | 29° / 21° | 395 | 27.5 | 11.8 | 3.1 |
Cloud cover in April
The sky is clear or mostly clear about 1% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 3% of April, with mostly cloudy or overcast conditions the remaining 96%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 |
| Cloudier (%) | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 |
| 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 | 4 | 96 |
| 13 | 4 | 96 |
| 14 | 4 | 96 |
| 15 | 4 | 96 |
| 16 | 4 | 96 |
| 17 | 4 | 96 |
| 18 | 4 | 96 |
| 19 | 4 | 96 |
| 20 | 4 | 96 |
| 21 | 5 | 95 |
| 22 | 5 | 95 |
| 23 | 5 | 95 |
| 24 | 5 | 95 |
| 25 | 4 | 96 |
| 26 | 4 | 96 |
| 27 | 4 | 96 |
| 28 | 4 | 96 |
| 29 | 4 | 96 |
| 30 | 4 | 96 |
Chance of precipitation in April
Subulussalam gets around 368 mm of rain over 27.3 wet days in April. 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 93% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 91 | 91 | 90 | 90 | 89 | 88 | 88 | 87 | 86 | 86 | 85 | 84 |
| Rain chance (%) | |
|---|---|
| 1 | 92 |
| 2 | 92 |
| 3 | 92 |
| 4 | 92 |
| 5 | 92 |
| 6 | 92 |
| 7 | 92 |
| 8 | 93 |
| 9 | 93 |
| 10 | 93 |
| 11 | 93 |
| 12 | 93 |
| 13 | 93 |
| 14 | 93 |
| 15 | 92 |
| 16 | 92 |
| 17 | 92 |
| 18 | 92 |
| 19 | 91 |
| 20 | 91 |
| 21 | 90 |
| 22 | 90 |
| 23 | 89 |
| 24 | 88 |
| 25 | 88 |
| 26 | 87 |
| 27 | 86 |
| 28 | 86 |
| 29 | 85 |
| 30 | 84 |
Humidity in April
Most of April feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the oppressive band about 96% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 |
| Oppressive (%) | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 97 | 97 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 95 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 4 | 95 | 1 |
| 2 | 4 | 95 | 1 |
| 3 | 4 | 95 | 1 |
| 4 | 4 | 95 | 1 |
| 5 | 4 | 95 | 1 |
| 6 | 3 | 96 | 1 |
| 7 | 3 | 96 | 1 |
| 8 | 3 | 96 | 1 |
| 9 | 3 | 96 | 1 |
| 10 | 3 | 96 | 1 |
| 11 | 3 | 96 | 1 |
| 12 | 3 | 96 | 1 |
| 13 | 2 | 97 | 1 |
| 14 | 2 | 97 | 1 |
| 15 | 2 | 96 | 2 |
| 16 | 2 | 96 | 2 |
| 17 | 2 | 96 | 2 |
| 18 | 2 | 96 | 2 |
| 19 | 2 | 96 | 2 |
| 20 | 2 | 96 | 2 |
| 21 | 2 | 96 | 2 |
| 22 | 2 | 96 | 2 |
| 23 | 2 | 96 | 2 |
| 24 | 2 | 96 | 2 |
| 25 | 2 | 96 | 2 |
| 26 | 2 | 96 | 2 |
| 27 | 2 | 96 | 2 |
| 28 | 2 | 96 | 2 |
| 29 | 2 | 96 | 2 |
| 30 | 3 | 95 | 2 |
Wind in April
Winds average 3 km/h in April.
Across April, daily wind ranges from about 3 km/h on the calmest days to 3 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 3 | calm |
| 2 | 3 | calm |
| 3 | 3 | calm |
| 4 | 3 | calm |
| 5 | 3 | calm |
| 6 | 3 | calm |
| 7 | 3 | calm |
| 8 | 3 | calm |
| 9 | 3 | calm |
| 10 | 3 | calm |
| 11 | 3 | calm |
| 12 | 3 | calm |
| 13 | 3 | calm |
| 14 | 3 | calm |
| 15 | 3 | calm |
| 16 | 3 | calm |
| 17 | 3 | calm |
| 18 | 3 | calm |
| 19 | 3 | calm |
| 20 | 3 | calm |
| 21 | 3 | calm |
| 22 | 3 | calm |
| 23 | 3 | calm |
| 24 | 3 | calm |
| 25 | 3 | calm |
| 26 | 3 | calm |
| 27 | 3 | calm |
| 28 | 3 | calm |
| 29 | 3 | calm |
| 30 | 3 | calm |
Sunrise & sunset in April
Daylight runs from about 12 hours at the start of April to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over April. Sunrise moves from 6:32 AM to 6:23 AM, and sunset from 6:34 PM to 6:29 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:32 | 6:32 | 6:32 | 6:31 | 6:31 | 6:31 | 6:30 | 6:30 | 6:29 | 6:29 | 6:29 | 6:28 | 6:28 | 6:28 | 6:27 | 6:27 | 6:27 | 6:26 | 6:26 | 6:26 | 6:25 | 6:25 | 6:25 | 6:25 | 6:24 | 6:24 | 6:24 | 6:24 | 6:23 | 6:23 |
| Sunset (PM) | 6:34 | 6:34 | 6:33 | 6:33 | 6:33 | 6:33 | 6:32 | 6:32 | 6:32 | 6:32 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:30 | 6:30 | 6:30 | 6:30 | 6:30 | 6:30 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.0 | 6:32 | 6:34 |
| 2 | 12.0 | 6:32 | 6:34 |
| 3 | 12.0 | 6:32 | 6:33 |
| 4 | 12.0 | 6:31 | 6:33 |
| 5 | 12.0 | 6:31 | 6:33 |
| 6 | 12.0 | 6:31 | 6:33 |
| 7 | 12.0 | 6:30 | 6:32 |
| 8 | 12.0 | 6:30 | 6:32 |
| 9 | 12.0 | 6:29 | 6:32 |
| 10 | 12.0 | 6:29 | 6:32 |
| 11 | 12.0 | 6:29 | 6:31 |
| 12 | 12.0 | 6:28 | 6:31 |
| 13 | 12.1 | 6:28 | 6:31 |
| 14 | 12.1 | 6:28 | 6:31 |
| 15 | 12.1 | 6:27 | 6:31 |
| 16 | 12.1 | 6:27 | 6:30 |
| 17 | 12.1 | 6:27 | 6:30 |
| 18 | 12.1 | 6:26 | 6:30 |
| 19 | 12.1 | 6:26 | 6:30 |
| 20 | 12.1 | 6:26 | 6:30 |
| 21 | 12.1 | 6:25 | 6:30 |
| 22 | 12.1 | 6:25 | 6:29 |
| 23 | 12.1 | 6:25 | 6:29 |
| 24 | 12.1 | 6:25 | 6:29 |
| 25 | 12.1 | 6:24 | 6:29 |
| 26 | 12.1 | 6:24 | 6:29 |
| 27 | 12.1 | 6:24 | 6:29 |
| 28 | 12.1 | 6:24 | 6:29 |
| 29 | 12.1 | 6:23 | 6:29 |
| 30 | 12.1 | 6:23 | 6:29 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 4.82 kWh/m².
For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.26 kWh/m² in February across the year — April's 4.82 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 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 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 |
| 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 |
| 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 | 4.9 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.9 | Bright |
| 10 | 4.9 | Bright |
| 11 | 4.9 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.9 | Bright |
| 14 | 4.9 | Bright |
| 15 | 4.8 | Bright |
| 16 | 4.8 | Bright |
| 17 | 4.8 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.8 | Bright |
| 20 | 4.8 | Bright |
| 21 | 4.8 | Bright |
| 22 | 4.8 | Bright |
| 23 | 4.7 | Bright |
| 24 | 4.7 | Bright |
| 25 | 4.7 | Bright |
| 26 | 4.7 | Bright |
| 27 | 4.7 | Bright |
| 28 | 4.7 | Bright |
| 29 | 4.7 | Bright |
| 30 | 4.7 | Bright |
Hazard calendar for Subulussalam
In April, Subulussalam sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Subulussalam sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Is April a good time to visit Subulussalam?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a weaker month for outdoor sightseeing in Subulussalam.
What to pack for Subulussalam in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Subulussalam sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.
Sea temperature near Subulussalam in April
The nearest coast averages about 30°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 29 km away) is warmest in May at about 30°C and coldest in November 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 | 30 | 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 | 30 | 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 Subulussalam in April
Clear-sky midday UV in April 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 Subulussalam peaks around March 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 11 (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) | 13 | 14 | 15 | 13 | 12 | 11 | 11 | 12 | 14 | 13 | 11 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 14 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 12 | Extreme |
Air quality in Subulussalam in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Subulussalam is worst in March — around 25 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) | 21 | 24 | 25 | 23 | 21 | 21 | 20 | 20 | 24 | 23 | 19 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 21 | Moderate |
| Feb | 24 | Moderate |
| Mar | 25 | Moderate |
| Apr | 23 | Moderate |
| May | 21 | Moderate |
| Jun | 21 | Moderate |
| Jul | 20 | Moderate |
| Aug | 20 | Moderate |
| Sep | 24 | Moderate |
| Oct | 23 | Moderate |
| Nov | 19 | Moderate |
| Dec | 18 | Moderate |
Where is Subulussalam?
Subulussalam sits at 2.7°N, 97.9°E, 29 m above sea level, in Indonesia. The nearest listed city is Singkil, 43 km away.
Topography around Subulussalam
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Subulussalam.
Within 3 km, the terrain around Subulussalam has only modest variations in elevation — a maximum elevation change of 40 m around an average of 21 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,429 m.
The land around Subulussalam is covered by trees (90%) within 3 km, trees (92%) within 16 km, and trees (63%) and water (33%) 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 Subulussalam (2.662°, 97.8827°, elevation 29 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).