Sinjai weather in May

In May, Sinjai sees average daytime highs of 28°C and overnight lows near 24°C, with 207 mm of rain across 27.4 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of May to 11 h 42 min by month's end. Set against the rest of the year, May is Sinjai's 6th-clearest and 6th-windiest month. For the whole year in context, see Sinjai's year-round climate.

Daytime high
28°
9th warmest
Overnight low
24°
6th coldest
Rainfall
207 mm
27.4 wet days
Daylight
11 h 48 min
6:02 AM – 5:48 PM
Cloud cover
67%
6th clearest
Wind
7 km/h
6th windiest
Solar energy
4.7 kWh/m²
Travel score
3.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical May day in Sinjai reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102824
112824
122824
132824
142824
152824
162824
172824
182824
192824
202824
212824
222824
232824
242824
252824
262824
272824
282824
292824
302724
312724

How May really feels in Sinjai

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sinjai weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°1862512.33.4
Feb29° / 25°17022.912.23.3
Mar29° / 25°18626.9123.3
Apr28° / 25°19927.111.93.3
May28° / 24°20727.411.83.9
Jun27° / 24°21925.811.74.1
Jul27° / 23°16623.511.74.6
Aug27° / 23°6615.611.85.8
Sep28° / 24°399.6126.3
Oct29° / 24°6112.412.15.2
Nov30° / 25°11519.212.24.0
Dec29° / 25°18326.412.33.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32872
42872
52971
62971
72971
83070
93268
103367
113466
123664
133862
143961
154159
164456
174456
184654
194654
204753
214753
224753
234753
244654
254555
264456
274357
284357
294258
304060
314060

Chance of precipitation in May

Any precipitation

Sinjai gets around 207 mm of rain over 27.4 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 88% and peaks near 91% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
288
388
488
588
688
788
888
987
1087
1187
1287
1386
1486
1586
1686
1786
1886
1986
2087
2187
2288
2389
2489
2590
2690
2791
2891
2991
3091
3191

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10946
20946
30946
40946
50937
60937
71918
81918
91909
101909
111909
121909
131909
141909
151909
161909
171909
181918
191918
201918
211927
221927
231936
241936
251945
261945
271954
281954
291963
301963
311972

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
16calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 48 min at the start of May to 11 h 42 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 6:02 AM to 6:05 AM, and sunset from 5:51 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:025:51
211.86:015:51
311.86:015:50
411.86:015:50
511.86:025:50
611.86:025:50
711.86:025:50
811.86:025:49
911.86:025:49
1011.86:025:49
1111.86:025:49
1211.86:025:49
1311.86:025:49
1411.86:025:48
1511.86:025:48
1611.86:025:48
1711.86:025:48
1811.86:025:48
1911.86:035:48
2011.86:035:48
2111.86:035:48
2211.76:035:48
2311.76:035:48
2411.76:035:48
2511.76:035:48
2611.76:045:48
2711.76:045:48
2811.76:045:48
2911.76:045:48
3011.76:045:48
3111.76:055:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.7 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 6.57 kWh/m² in October across the year — May's 4.7 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in May

Hazard calendar for Sinjai

In seasonPeak

None of Sinjai's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Sinjai sits in the South Indian Ocean cyclone belt; the season peaks January–March.

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

Is May a good time to visit Sinjai?

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

3.9
Sightseeing
7th-best month of the year
4.2
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Sinjai.

What to pack for Sinjai in May

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

In May, Sinjai sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Sinjai in May

The nearest coast averages about 29°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 14 km away) is warmest in April 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
Feb29Tropical
Mar30Tropical
Apr30Tropical
May29Tropical
Jun29Tropical
Jul28Warm
Aug28Warm
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec30Tropical

UV index in Sinjai in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Sinjai peaks around February 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 15UV 15Jul 10UV 10
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Sinjai?

Sinjai sits at 5.1°S, 120.3°E, 6 m above sea level, in Indonesia. The nearest listed city is Watampone, 66 km away.

Topography around Sinjai

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

Within 3 km, the terrain around Sinjai has only modest variations in elevation — a maximum elevation change of 100 m around an average of 21 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 717 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,838 m.

The land around Sinjai is covered by trees (38%) and cropland (21%) within 3 km, trees (46%) and water (35%) within 16 km, and trees (48%) and water (41%) within 80 km.

3 km
100 m
16 km
717 m
80 km
2,838 m
treesgrasslandcroplandartificial surfaceswatermangroves
May weather nearby: Watampone 66 km · Maros 76 km · Makassar 91 km · Galesong 101 km · Sengkang 114 km · Parepare 142 km · Polewali 213 km · Majene 226 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 Sinjai (-5.1241°, 120.253°, 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. 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).