Poso weather in July

In July, Poso sees average daytime highs of 27°C and overnight lows near 21°C, with 204 mm of rain across 22.6 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 10th-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 9% of the time in July, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of July to 11 h 54 min by month's end. Set against the rest of the year, July is Poso's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Poso's year-round climate.

Daytime high
27°
8th warmest
Overnight low
21°
9th coldest
Rainfall
204 mm
22.6 wet days
Daylight
11 h 54 min
6:05 AM – 6:00 PM
Cloud cover
74%
3rd clearest
Wind
5 km/h
2nd windiest
Solar energy
4.57 kWh/m²
Travel score
4.5
out of 10

Poso is administrative seat of Poso Regency.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical July day in Poso reaches about 27°C in the afternoon and slips back to 21°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, July runs on par with June and on par with August.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12721
22721
32721
42721
52721
62721
72721
82721
92721
102721
112721
122721
132721
142721
152721
162721
172721
182721
192721
202721
212721
222721
232721
242721
252721
262721
272721
282721
292721
302721
312721

Poso weather by month

How July compares with the rest of the year at a glance. July is the 8th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°27827.412.13.6
Feb27° / 20°24125123.7
Mar27° / 21°36028.6123.5
Apr27° / 21°43329.2123.3
May28° / 21°35429.211.93.5
Jun27° / 21°28825.811.93.9
Jul27° / 21°20422.611.94.5
Aug28° / 21°15919.1125.0
Sep28° / 20°16517.6124.7
Oct28° / 21°24522.5124.0
Nov28° / 21°35028.212.13.5
Dec27° / 21°34530.312.13.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 18% of July, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22278
32278
42278
52278
62179
72179
82278
92377
102377
112575
122575
132674
142773
152872
162872
172872
183070
193070
203070
213268
223268
233268
243268
253268
263169
273169
283070
293070
303070
313070

Chance of precipitation in July

Any precipitation

Poso gets around 204 mm of rain over 22.6 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 73% and peaks near 80% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
180
280
379
479
578
678
778
877
976
1076
1175
1274
1374
1473
1573
1672
1772
1871
1971
2070
2170
2269
2369
2468
2568
2668
2767
2867
2966
3066
3165

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the muggy band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
10937
21936
31945
41945
51945
61954
71954
81954
91954
101954
112935
122935
132935
142935
152944
162944
172944
182944
192944
203934
213934
223934
233934
244933
254933
265923
275923
286913
296913
307903
317903

Wind in July

Winds average 5 km/h in July.

Across July, 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.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 54 min at the start of July to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over July. Sunrise moves from 6:03 AM to 6:05 AM, and sunset from 5:58 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:035:58
211.96:035:58
311.96:035:58
411.96:035:59
511.96:035:59
611.96:045:59
711.96:045:59
811.96:045:59
911.96:045:59
1011.96:046:00
1111.96:046:00
1211.96:046:00
1311.96:056:00
1411.96:056:00
1511.96:056:00
1611.96:056:00
1711.96:056:01
1811.96:056:01
1911.96:056:01
2011.96:056:01
2111.96:056:01
2211.96:056:01
2311.96:056:01
2411.96:056:01
2511.96:056:01
2611.96:056:01
2711.96:056:01
2811.96:056:01
2911.96:056:01
3011.96:056:01
3111.96:056:01

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.57 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 — July's 4.57 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.9Bright
314.9Bright
Planning a trip in July

Is July a good time to visit Poso?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.5
Sightseeing
3rd-best month of the year
4.6
Beach & pool
4th-best month of the year

July is a reasonable time to visit Poso for sightseeing.

What to pack for Poso in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Poso sees daytime highs around 27°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Poso in July

The nearest coast averages about 30°C in July — 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.

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan30Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov30Tropical
Dec30Tropical

UV index in Poso in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 16Jun 21UV 11
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in Poso in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodOct 1417 µg/m³Feb 108 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr9Good
May9Good
Jun9Good
Jul9Good
Aug9Good
Sep14Moderate
Oct17Moderate
Nov12Good
Dec9Good
Location & terrain

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.

Majene

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.

3 km
229 m
16 km
737 m
80 km
2,772 m
treesgrasslandcroplandartificial surfaceswatermangroves
July weather nearby: Palu 112 km · Masamba 137 km · Bungku 186 km · Palopo 188 km · Rantepao 199 km · Luwuk 232 km · Polewali 275 km · Majene 310 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
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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).