Sibolga weather in June
In June, Sibolga sees average daytime highs of 29°C and overnight lows near 24°C, with 159 mm of rain across 17.3 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 12th-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 9% of the time in June, and the air most often feels oppressive.
Daylight stretches from about 12 h 06 min at the start of June to 12 h 06 min by month's end. Set against the rest of the year, June is Sibolga's 1st-clearest and 3rd-windiest month. For the whole year in context, see Sibolga's year-round climate.
- Daytime high
- 29°
- 2nd warmest
- Overnight low
- 24°
- 10th coldest
- Rainfall
- 159 mm
- 17.3 wet days
- Daylight
- 12 h 06 min
- 6:22 AM – 6:28 PM
- Cloud cover
- 79%
- 1st clearest
- Wind
- 5 km/h
- 3rd windiest
- Solar energy
- 5.12 kWh/m²
- Travel score
- 4.4
- out of 10
Sibolga is city in North Sumatra Province, Indonesia.
- Density
- 8,565/km²
- people per km²
- Founded
- 1700
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Day-to-day highs hold fairly steady near 29°C through the month.
A typical June day in Sibolga reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, June runs on par with May and on par with July.
| 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) | 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 | 28 | 28 | 28 | 28 | 28 |
| 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 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 24 |
| 2 | 29 | 24 |
| 3 | 29 | 24 |
| 4 | 29 | 24 |
| 5 | 29 | 24 |
| 6 | 29 | 24 |
| 7 | 29 | 24 |
| 8 | 29 | 24 |
| 9 | 29 | 24 |
| 10 | 29 | 24 |
| 11 | 29 | 24 |
| 12 | 29 | 24 |
| 13 | 29 | 24 |
| 14 | 29 | 24 |
| 15 | 29 | 24 |
| 16 | 29 | 24 |
| 17 | 29 | 24 |
| 18 | 29 | 24 |
| 19 | 29 | 24 |
| 20 | 29 | 24 |
| 21 | 29 | 24 |
| 22 | 29 | 24 |
| 23 | 29 | 24 |
| 24 | 29 | 24 |
| 25 | 29 | 24 |
| 26 | 28 | 24 |
| 27 | 28 | 24 |
| 28 | 28 | 24 |
| 29 | 28 | 24 |
| 30 | 28 | 24 |
How June really feels in Sibolga
Once humidity and wind are folded in, June averages 14 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 June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sibolga weather by month
How June compares with the rest of the year at a glance. June is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 24° | 338 | 26.7 | 11.9 | 3.5 |
| Feb | 29° / 24° | 311 | 23.7 | 11.9 | 3.4 |
| Mar | 29° / 24° | 361 | 27.4 | 12 | 3.2 |
| Apr | 29° / 24° | 357 | 26.7 | 12 | 3.2 |
| May | 29° / 24° | 260 | 21.6 | 12.1 | 3.9 |
| Jun | 29° / 24° | 159 | 17.3 | 12.1 | 4.4 |
| Jul | 28° / 24° | 193 | 19.1 | 12.1 | 4.6 |
| Aug | 28° / 23° | 284 | 22.8 | 12.1 | 4.2 |
| Sep | 28° / 23° | 293 | 23.2 | 12 | 4.1 |
| Oct | 28° / 23° | 428 | 26.1 | 12 | 3.8 |
| Nov | 27° / 23° | 507 | 27.7 | 11.9 | 3.4 |
| Dec | 28° / 24° | 433 | 27.6 | 11.9 | 3.6 |
Cloud cover in June
The sky is clear or mostly clear about 9% of the time in June, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 11% of June, with mostly cloudy or overcast conditions the remaining 81%.
| 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 (%) | 13 | 14 | 15 | 15 | 15 | 16 | 17 | 18 | 18 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 |
| Cloudier (%) | 87 | 86 | 85 | 85 | 85 | 84 | 83 | 82 | 82 | 81 | 81 | 80 | 80 | 80 | 80 | 80 | 79 | 79 | 79 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 79 | 79 | 79 | 79 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 13 | 87 |
| 2 | 14 | 86 |
| 3 | 15 | 85 |
| 4 | 15 | 85 |
| 5 | 15 | 85 |
| 6 | 16 | 84 |
| 7 | 17 | 83 |
| 8 | 18 | 82 |
| 9 | 18 | 82 |
| 10 | 19 | 81 |
| 11 | 19 | 81 |
| 12 | 20 | 80 |
| 13 | 20 | 80 |
| 14 | 20 | 80 |
| 15 | 20 | 80 |
| 16 | 20 | 80 |
| 17 | 21 | 79 |
| 18 | 21 | 79 |
| 19 | 21 | 79 |
| 20 | 22 | 78 |
| 21 | 22 | 78 |
| 22 | 22 | 78 |
| 23 | 22 | 78 |
| 24 | 22 | 78 |
| 25 | 22 | 78 |
| 26 | 22 | 78 |
| 27 | 21 | 79 |
| 28 | 21 | 79 |
| 29 | 21 | 79 |
| 30 | 21 | 79 |
Chance of precipitation in June
Sibolga gets around 159 mm of rain over 17.3 wet days in June, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 58% and peaks near 64% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 64 | 63 | 62 | 62 | 61 | 61 | 60 | 60 | 59 | 58 | 58 | 57 | 57 | 56 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 56 | 56 | 56 | 56 | 57 | 57 | 58 | 58 | 59 |
| Rain chance (%) | |
|---|---|
| 1 | 64 |
| 2 | 63 |
| 3 | 62 |
| 4 | 62 |
| 5 | 61 |
| 6 | 61 |
| 7 | 60 |
| 8 | 60 |
| 9 | 59 |
| 10 | 58 |
| 11 | 58 |
| 12 | 57 |
| 13 | 57 |
| 14 | 56 |
| 15 | 55 |
| 16 | 55 |
| 17 | 55 |
| 18 | 55 |
| 19 | 55 |
| 20 | 55 |
| 21 | 55 |
| 22 | 56 |
| 23 | 56 |
| 24 | 56 |
| 25 | 56 |
| 26 | 57 |
| 27 | 57 |
| 28 | 58 |
| 29 | 58 |
| 30 | 59 |
Humidity in June
Most of June feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the oppressive band about 93% 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 (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 87 | 87 | 87 | 88 | 88 | 89 | 89 | 90 | 90 | 91 | 91 | 92 | 92 | 93 | 93 | 94 | 94 | 95 | 95 | 96 | 96 | 97 | 97 | 97 | 96 | 97 | 97 | 97 | 97 | 97 |
| Miserable (%) | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 0 | 87 | 13 |
| 2 | 0 | 87 | 13 |
| 3 | 0 | 87 | 13 |
| 4 | 0 | 88 | 12 |
| 5 | 0 | 88 | 12 |
| 6 | 0 | 89 | 11 |
| 7 | 0 | 89 | 11 |
| 8 | 0 | 90 | 10 |
| 9 | 0 | 90 | 10 |
| 10 | 0 | 91 | 9 |
| 11 | 0 | 91 | 9 |
| 12 | 0 | 92 | 8 |
| 13 | 0 | 92 | 8 |
| 14 | 0 | 93 | 7 |
| 15 | 0 | 93 | 7 |
| 16 | 0 | 94 | 6 |
| 17 | 0 | 94 | 6 |
| 18 | 0 | 95 | 5 |
| 19 | 0 | 95 | 5 |
| 20 | 0 | 96 | 4 |
| 21 | 0 | 96 | 4 |
| 22 | 0 | 97 | 3 |
| 23 | 0 | 97 | 3 |
| 24 | 0 | 97 | 3 |
| 25 | 1 | 96 | 3 |
| 26 | 1 | 97 | 2 |
| 27 | 1 | 97 | 2 |
| 28 | 1 | 97 | 2 |
| 29 | 1 | 97 | 2 |
| 30 | 1 | 97 | 2 |
Wind in June
Winds average 5 km/h in June.
Across June, daily wind ranges from about 5 km/h on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 | 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 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
Sunrise & sunset in June
Daylight runs from about 12 h 06 min at the start of June to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over June. Sunrise moves from 6:20 AM to 6:25 AM, and sunset from 6:25 PM to 6:31 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) | 12.1 | 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 | 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) | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:24 | 6:24 | 6:24 | 6:24 | 6:24 | 6:25 | 6:25 | 6:25 |
| Sunset (PM) | 6:25 | 6:25 | 6:26 | 6:26 | 6:26 | 6:26 | 6:26 | 6:26 | 6:27 | 6:27 | 6:27 | 6:27 | 6:27 | 6:28 | 6:28 | 6:28 | 6:28 | 6:29 | 6:29 | 6:29 | 6:29 | 6:29 | 6:30 | 6:30 | 6:30 | 6:30 | 6:30 | 6:31 | 6:31 | 6:31 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.1 | 6:20 | 6:25 |
| 2 | 12.1 | 6:20 | 6:25 |
| 3 | 12.1 | 6:20 | 6:26 |
| 4 | 12.1 | 6:20 | 6:26 |
| 5 | 12.1 | 6:20 | 6:26 |
| 6 | 12.1 | 6:20 | 6:26 |
| 7 | 12.1 | 6:20 | 6:26 |
| 8 | 12.1 | 6:21 | 6:26 |
| 9 | 12.1 | 6:21 | 6:27 |
| 10 | 12.1 | 6:21 | 6:27 |
| 11 | 12.1 | 6:21 | 6:27 |
| 12 | 12.1 | 6:21 | 6:27 |
| 13 | 12.1 | 6:22 | 6:27 |
| 14 | 12.1 | 6:22 | 6:28 |
| 15 | 12.1 | 6:22 | 6:28 |
| 16 | 12.1 | 6:22 | 6:28 |
| 17 | 12.1 | 6:22 | 6:28 |
| 18 | 12.1 | 6:23 | 6:29 |
| 19 | 12.1 | 6:23 | 6:29 |
| 20 | 12.1 | 6:23 | 6:29 |
| 21 | 12.1 | 6:23 | 6:29 |
| 22 | 12.1 | 6:23 | 6:29 |
| 23 | 12.1 | 6:24 | 6:30 |
| 24 | 12.1 | 6:24 | 6:30 |
| 25 | 12.1 | 6:24 | 6:30 |
| 26 | 12.1 | 6:24 | 6:30 |
| 27 | 12.1 | 6:24 | 6:30 |
| 28 | 12.1 | 6:25 | 6:31 |
| 29 | 12.1 | 6:25 | 6:31 |
| 30 | 12.1 | 6:25 | 6:31 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 5.12 kWh/m².
For context, solar energy here swings from a low near 4.11 kWh/m² to a high of 5.45 kWh/m² in February across the year — June's 5.12 kWh/m² sits near the top of that range.
| 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) | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 |
| 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 | 5.1 | Bright |
| 2 | 5.1 | Bright |
| 3 | 5.1 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.1 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.1 | Bright |
| 9 | 5.1 | Bright |
| 10 | 5.1 | Bright |
| 11 | 5.1 | Bright |
| 12 | 5.1 | Bright |
| 13 | 5.1 | Bright |
| 14 | 5.1 | Bright |
| 15 | 5.1 | Bright |
| 16 | 5.1 | Bright |
| 17 | 5.1 | Bright |
| 18 | 5.1 | Bright |
| 19 | 5.1 | Bright |
| 20 | 5.1 | Bright |
| 21 | 5.1 | Bright |
| 22 | 5.1 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.1 | Bright |
Is June a good time to visit Sibolga?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Sibolga for sightseeing.
What to pack for Sibolga in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Sibolga sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.
Sea temperature near Sibolga in June
The nearest coast averages about 30°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 22 km away) is warmest in March 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 Sibolga in June
Clear-sky midday UV in June 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 Sibolga peaks around February 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 11 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 | 13 | 13 | 11 | 11 | 11 | 10 | 14 | 14 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Sibolga in June
Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.
Air quality in Sibolga is worst in October — around 20 µg/m³ PM2.5 (moderate), about 1.7× 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 | 18 | 17 | 15 | 15 | 14 | 15 | 14 | 19 | 20 | 12 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 18 | Moderate |
| Mar | 17 | Moderate |
| Apr | 15 | Moderate |
| May | 15 | Moderate |
| Jun | 14 | Moderate |
| Jul | 15 | Moderate |
| Aug | 14 | Moderate |
| Sep | 19 | Moderate |
| Oct | 20 | Moderate |
| Nov | 12 | Moderate |
| Dec | 12 | Moderate |
Where is Sibolga?
Sibolga sits at 1.7°N, 98.8°E, 6 m above sea level, in Indonesia. The nearest listed city is Tarutung, 37 km away.
Topography around Sibolga
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sibolga.
Within 3 km, the terrain around Sibolga has significant variations in elevation — a maximum elevation change of 471 m around an average of 77 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,065 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,230 m.
The land around Sibolga is covered by trees (44%) and water (41%) within 3 km, trees (59%) and water (35%) within 16 km, and trees (58%) and water (36%) 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 Sibolga (1.7402°, 98.7812°, elevation 6 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. 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).