Rantepao weather in May

In May, Rantepao sees average daytime highs of 27°C and overnight lows near 20°C, with 262 mm of rain across 24.5 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 6th-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 8% of the time in May, and the air most often feels muggy.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Rantepao's 6th-clearest and 6th-windiest month. For the whole year in context, see Rantepao's year-round climate.

Daytime high
27°
9th warmest
Overnight low
20°
8th coldest
Rainfall
262 mm
24.5 wet days
Daylight
11 h 54 min
6:01 AM – 5:53 PM
Cloud cover
78%
6th clearest
Wind
3 km/h
6th windiest
Solar energy
4.5 kWh/m²
Travel score
4.2
out of 10

Rantepao is capital of North Toraja Regency, South Sulawesi Province, Indonesia.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

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

A typical May day in Rantepao reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72720
82720
92720
102720
112720
122720
132720
142720
152720
162720
172720
182720
192720
202720
212720
222720
232720
242720
252720
262720
272720
282720
292720
302720
312720

Rantepao weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°49629.512.23.3
Feb28° / 20°48327.412.13.2
Mar28° / 20°49529.5123.3
Apr27° / 20°50327.811.93.5
May27° / 20°26224.511.94.2
Jun27° / 20°20321.211.84.7
Jul26° / 19°12918.211.85.3
Aug27° / 19°9415.311.95.8
Sep28° / 19°7512.2126.0
Oct28° / 19°13315.212.14.9
Nov28° / 20°22623.112.13.8
Dec28° / 20°49829.512.23.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31189
41189
51288
61387
71387
81387
91585
101585
111783
121783
131981
142080
152179
162278
172278
182476
192575
202674
212674
222674
232773
242773
252773
262773
272773
282773
292773
302773
312674

Chance of precipitation in May

Any precipitation

Rantepao gets around 262 mm of rain over 24.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 79% and peaks near 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
285
385
485
584
684
784
884
984
1083
1183
1283
1382
1481
1581
1680
1779
1878
1977
2076
2175
2275
2374
2474
2573
2673
2772
2872
2971
3071
3171

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 71% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
106634
206634
306634
406634
506634
606535
706535
806535
906535
1006535
1106535
1206634
1306634
1406733
1506832
1606931
1716930
1817029
1917128
2017227
2117425
2217524
2317623
2417722
2517821
2617920
2718019
2818118
2918217
3028117
3128216

Wind in May

Winds average 3 km/h in May.

Across May, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 6:01 AM to 6:03 AM, and sunset from 5:55 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:015:55
211.96:015:54
311.96:015:54
411.96:015:54
511.96:005:54
611.96:005:54
711.96:005:53
811.96:005:53
911.96:005:53
1011.96:005:53
1111.96:005:53
1211.96:005:53
1311.96:015:53
1411.96:015:53
1511.96:015:53
1611.96:015:53
1711.96:015:53
1811.96:015:53
1911.96:015:53
2011.96:015:53
2111.96:015:53
2211.96:015:53
2311.96:015:53
2411.96:015:53
2511.96:025:53
2611.86:025:53
2711.86:025:53
2811.86:025:53
2911.86:025:53
3011.86:025:53
3111.86:035:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.5 kWh/m².

For context, solar energy here swings from a low near 4.36 kWh/m² to a high of 5.97 kWh/m² in October across the year — May's 4.5 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.4Bright
Planning a trip in May

Hazard calendar for Rantepao

In seasonPeak

In May, Rantepao sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Rantepao's rainy season runs December–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Rantepao?

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

4.2
Sightseeing
6th-best month of the year
4.3
Beach & pool
7th-best month of the year

May is a reasonable time to visit Rantepao for sightseeing.

What to pack for Rantepao in May

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

In May, Rantepao sees daytime highs around 27°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

Sea temperature near Rantepao in May

The nearest coast averages about 30°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 54 km away) is warmest in March at about 30°C and coldest in August near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan30Tropical
Feb30Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep29Tropical
Oct30Tropical
Nov30Tropical
Dec30Tropical

UV index in Rantepao in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Rantepao peaks around March 15 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 15UV 16Jun 21UV 11
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar16Extreme
Apr15Extreme
May13Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec14Extreme

Air quality in Rantepao in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Rantepao is worst in October — around 20 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (July, 12 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 1620 µg/m³Jul 1212 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb12Moderate
Mar14Moderate
Apr13Moderate
May12Moderate
Jun12Good
Jul12Good
Aug13Moderate
Sep17Moderate
Oct20Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Rantepao?

Rantepao sits at 3.0°S, 119.9°E, 784 m above sea level, in Indonesia. The nearest listed city is Palopo, 33 km away.

Topography around Rantepao

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rantepao.

Within 3 km, the terrain around Rantepao has significant variations in elevation — a maximum elevation change of 322 m around an average of 816 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,593 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,407 m.

The land around Rantepao is covered by trees (56%) and cropland (24%) within 3 km, trees (80%) within 16 km, and trees (78%) within 80 km.

3 km
322 m
16 km
1,593 m
80 km
3,407 m
treesgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Palopo 33 km · Masamba 67 km · Polewali 80 km · Parepare 120 km · Majene 121 km · Sengkang 130 km · Watampone 181 km · Poso 199 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 Rantepao (-2.9701°, 119.8978°, elevation 784 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).