Poso weather in January
In January, Poso sees average daytime highs of 27°C and overnight lows near 20°C, with 278 mm of rain across 27.4 wet days and about 12.1 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 1% of the time in January, and the air most often feels muggy.
Daylight stretches from about 12 h 06 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Poso's 11th-clearest and 8th-windiest month. For the whole year in context, see Poso's year-round climate.
- Daytime high
- 27°
- 12th warmest
- Overnight low
- 20°
- 3rd coldest
- Rainfall
- 278 mm
- 27.4 wet days
- Daylight
- 12 h 06 min
- 6:04 AM – 6:08 PM
- Cloud cover
- 93%
- 11th clearest
- Wind
- 4 km/h
- 8th windiest
- Solar energy
- 4.88 kWh/m²
- Travel score
- 3.6
- out of 10
Poso is administrative seat of Poso Regency.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 27°C through the month.
A typical January day in Poso reaches about 27°C in the afternoon and slips back to 20°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°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) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 21 |
| 2 | 27 | 21 |
| 3 | 27 | 21 |
| 4 | 27 | 21 |
| 5 | 27 | 21 |
| 6 | 27 | 21 |
| 7 | 27 | 21 |
| 8 | 27 | 20 |
| 9 | 27 | 20 |
| 10 | 27 | 20 |
| 11 | 27 | 20 |
| 12 | 27 | 20 |
| 13 | 27 | 20 |
| 14 | 27 | 20 |
| 15 | 27 | 20 |
| 16 | 27 | 20 |
| 17 | 27 | 20 |
| 18 | 27 | 20 |
| 19 | 27 | 20 |
| 20 | 27 | 20 |
| 21 | 27 | 20 |
| 22 | 27 | 20 |
| 23 | 27 | 20 |
| 24 | 27 | 20 |
| 25 | 27 | 20 |
| 26 | 27 | 20 |
| 27 | 27 | 20 |
| 28 | 27 | 20 |
| 29 | 27 | 20 |
| 30 | 27 | 20 |
| 31 | 27 | 20 |
Poso weather by month
How January compares with the rest of the year at a glance. January is the 12th-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 20° | 278 | 27.4 | 12.1 | 3.6 |
| Feb | 27° / 20° | 241 | 25 | 12 | 3.7 |
| Mar | 27° / 21° | 360 | 28.6 | 12 | 3.5 |
| Apr | 27° / 21° | 433 | 29.2 | 12 | 3.3 |
| May | 28° / 21° | 354 | 29.2 | 11.9 | 3.5 |
| Jun | 27° / 21° | 288 | 25.8 | 11.9 | 3.9 |
| Jul | 27° / 21° | 204 | 22.6 | 11.9 | 4.5 |
| Aug | 28° / 21° | 159 | 19.1 | 12 | 5.0 |
| Sep | 28° / 20° | 165 | 17.6 | 12 | 4.7 |
| Oct | 28° / 21° | 245 | 22.5 | 12 | 4.0 |
| Nov | 28° / 21° | 350 | 28.2 | 12.1 | 3.5 |
| Dec | 27° / 21° | 345 | 30.3 | 12.1 | 3.3 |
Cloud cover in January
The sky is clear or mostly clear about 1% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 3% of January, with mostly cloudy or overcast conditions the remaining 97%.
| 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 (%) | 1 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Cloudier (%) | 99 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 97 | 97 | 97 | 97 | 97 | 97 | 97 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 1 | 99 |
| 2 | 2 | 98 |
| 3 | 2 | 98 |
| 4 | 3 | 97 |
| 5 | 3 | 97 |
| 6 | 3 | 97 |
| 7 | 3 | 97 |
| 8 | 3 | 97 |
| 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 | 4 | 96 |
| 22 | 4 | 96 |
| 23 | 4 | 96 |
| 24 | 4 | 96 |
| 25 | 3 | 97 |
| 26 | 3 | 97 |
| 27 | 3 | 97 |
| 28 | 3 | 97 |
| 29 | 3 | 97 |
| 30 | 3 | 97 |
| 31 | 3 | 97 |
Chance of precipitation in January
Poso gets around 278 mm of rain over 27.4 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 89% and peaks near 95% 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 (%) | 95 | 94 | 94 | 93 | 93 | 92 | 92 | 91 | 91 | 90 | 90 | 90 | 89 | 89 | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 87 | 86 | 86 | 86 | 86 | 87 | 87 | 87 | 87 | 88 |
| Rain chance (%) | |
|---|---|
| 1 | 95 |
| 2 | 94 |
| 3 | 94 |
| 4 | 93 |
| 5 | 93 |
| 6 | 92 |
| 7 | 92 |
| 8 | 91 |
| 9 | 91 |
| 10 | 90 |
| 11 | 90 |
| 12 | 90 |
| 13 | 89 |
| 14 | 89 |
| 15 | 88 |
| 16 | 88 |
| 17 | 88 |
| 18 | 87 |
| 19 | 87 |
| 20 | 87 |
| 21 | 87 |
| 22 | 87 |
| 23 | 86 |
| 24 | 86 |
| 25 | 86 |
| 26 | 86 |
| 27 | 87 |
| 28 | 87 |
| 29 | 87 |
| 30 | 87 |
| 31 | 88 |
Humidity in January
Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the muggy band about 61% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 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 | 1 | 1 | 1 | 1 | 1 |
| Muggy (%) | 49 | 50 | 51 | 52 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 63 | 64 | 65 | 65 | 66 | 66 | 65 | 66 | 66 | 66 | 66 | 66 | 66 | 67 | 67 | 66 | 66 |
| Oppressive (%) | 51 | 50 | 49 | 48 | 46 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 37 | 36 | 35 | 35 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 33 | 33 |
| Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|
| 1 | 0 | 49 | 51 |
| 2 | 0 | 50 | 50 |
| 3 | 0 | 51 | 49 |
| 4 | 0 | 52 | 48 |
| 5 | 0 | 54 | 46 |
| 6 | 0 | 55 | 45 |
| 7 | 0 | 56 | 44 |
| 8 | 0 | 57 | 43 |
| 9 | 0 | 58 | 42 |
| 10 | 0 | 59 | 41 |
| 11 | 0 | 60 | 40 |
| 12 | 0 | 61 | 39 |
| 13 | 0 | 62 | 38 |
| 14 | 0 | 63 | 37 |
| 15 | 0 | 63 | 37 |
| 16 | 0 | 64 | 36 |
| 17 | 0 | 65 | 35 |
| 18 | 0 | 65 | 35 |
| 19 | 0 | 66 | 34 |
| 20 | 0 | 66 | 34 |
| 21 | 1 | 65 | 34 |
| 22 | 1 | 66 | 33 |
| 23 | 1 | 66 | 33 |
| 24 | 1 | 66 | 33 |
| 25 | 1 | 66 | 33 |
| 26 | 1 | 66 | 33 |
| 27 | 1 | 66 | 33 |
| 28 | 1 | 67 | 32 |
| 29 | 1 | 67 | 32 |
| 30 | 1 | 66 | 33 |
| 31 | 1 | 66 | 33 |
Wind in January
Winds average 4 km/h in January.
Across January, daily wind ranges from about 4 km/h on the calmest days to 4 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) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 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 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
| 31 | 4 | calm |
Sunrise & sunset in January
Daylight runs from about 12 h 06 min at the start of January 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 January. Sunrise moves from 5:58 AM to 6:08 AM, and sunset from 6:03 PM to 6:12 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) | 12.1 | 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 | 12.1 |
| Sunrise (AM) | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:08 | 6:08 |
| Sunset (PM) | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:06 | 6:07 | 6:07 | 6:07 | 6:08 | 6:08 | 6:08 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.1 | 5:58 | 6:03 |
| 2 | 12.1 | 5:58 | 6:03 |
| 3 | 12.1 | 5:59 | 6:03 |
| 4 | 12.1 | 5:59 | 6:04 |
| 5 | 12.1 | 6:00 | 6:04 |
| 6 | 12.1 | 6:00 | 6:05 |
| 7 | 12.1 | 6:00 | 6:05 |
| 8 | 12.1 | 6:01 | 6:06 |
| 9 | 12.1 | 6:01 | 6:06 |
| 10 | 12.1 | 6:02 | 6:06 |
| 11 | 12.1 | 6:02 | 6:07 |
| 12 | 12.1 | 6:03 | 6:07 |
| 13 | 12.1 | 6:03 | 6:07 |
| 14 | 12.1 | 6:03 | 6:08 |
| 15 | 12.1 | 6:04 | 6:08 |
| 16 | 12.1 | 6:04 | 6:08 |
| 17 | 12.1 | 6:04 | 6:09 |
| 18 | 12.1 | 6:05 | 6:09 |
| 19 | 12.1 | 6:05 | 6:09 |
| 20 | 12.1 | 6:06 | 6:10 |
| 21 | 12.1 | 6:06 | 6:10 |
| 22 | 12.1 | 6:06 | 6:10 |
| 23 | 12.1 | 6:06 | 6:11 |
| 24 | 12.1 | 6:07 | 6:11 |
| 25 | 12.1 | 6:07 | 6:11 |
| 26 | 12.1 | 6:07 | 6:11 |
| 27 | 12.1 | 6:08 | 6:11 |
| 28 | 12.1 | 6:08 | 6:12 |
| 29 | 12.1 | 6:08 | 6:12 |
| 30 | 12.1 | 6:08 | 6:12 |
| 31 | 12.1 | 6:08 | 6:12 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 4.88 kWh/m².
For context, solar energy here swings from a low near 4.3 kWh/m² to a high of 5.79 kWh/m² in September across the year — January's 4.88 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) | 4.7 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 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 | 4.7 | Bright |
| 2 | 4.7 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.8 | Bright |
| 8 | 4.8 | Bright |
| 9 | 4.8 | Bright |
| 10 | 4.8 | Bright |
| 11 | 4.8 | Bright |
| 12 | 4.8 | Bright |
| 13 | 4.8 | Bright |
| 14 | 4.8 | Bright |
| 15 | 4.8 | Bright |
| 16 | 4.8 | 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 |
Is January a good time to visit Poso?
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 Poso.
What to pack for Poso in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Poso sees daytime highs around 27°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 27 days see rain.
Sea temperature near Poso in January
The nearest coast averages about 30°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 14 km away) is warmest in April at about 30°C and coldest in February 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) | 30 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 30 | 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 | 30 | Tropical |
| Dec | 30 | Tropical |
UV index in Poso in January
Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Poso peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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) | 15 | 16 | 15 | 14 | 13 | 11 | 12 | 13 | 13 | 14 | 13 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
Air quality in Poso 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 Poso is worst in October — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (February, 8 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) | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 14 | 17 | 12 | 9 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 8 | Good |
| Apr | 9 | Good |
| May | 9 | Good |
| Jun | 9 | Good |
| Jul | 9 | Good |
| Aug | 9 | Good |
| Sep | 14 | Moderate |
| Oct | 17 | Moderate |
| Nov | 12 | Good |
| Dec | 9 | Good |
Where is Poso?
Poso sits at 1.4°S, 120.8°E, 10 m above sea level, in Indonesia. The nearest listed city is Palu, 112 km away.
Topography around Poso
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Poso.
Within 3 km, the terrain around Poso has only modest variations in elevation — a maximum elevation change of 229 m around an average of 47 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 737 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,772 m.
The land around Poso is covered by trees (65%) and water (20%) within 3 km, trees (52%) and water (43%) within 16 km, and trees (65%) and water (30%) 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 Poso (-1.3959°, 120.7524°, 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. 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).