Sinjai in Spring
In spring (September, October and November), Sinjai sees average daytime highs around 29°C and overnight lows near 24°C, with 214 mm of rain over about 41 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Across spring, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 34% of the time across spring, and the air most often feels oppressive.
Spring is Sinjai's best season of the year to visit on our travel score. Sinjai has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Sinjai's year-round climate.
- Avg daytime high
- 29°C
- 2nd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 214 mm
- 41 wet days
- Avg wind
- 8 km/h
- Travel score
- 5.2
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Sinjai in Spring
Across spring, daytime highs hold fairly steady around 29°C.
A typical spring day in Sinjai reaches about 29°C and drops to 24°C overnight. The warmest of the three months is November, the coolest September.
How spring really feels in Sinjai
Once humidity and wind are folded in, spring brings about 45 days that feel above 32°C and 0 that feel at or below 0°C.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sinjai weather by month
How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 25° | 186 | 25 | 12.3 | 3.4 |
| Feb | 29° / 25° | 170 | 22.9 | 12.2 | 3.3 |
| Mar | 29° / 25° | 186 | 26.9 | 12 | 3.3 |
| Apr | 28° / 25° | 199 | 27.1 | 11.9 | 3.3 |
| May | 28° / 24° | 207 | 27.4 | 11.8 | 3.9 |
| Jun | 27° / 24° | 219 | 25.8 | 11.7 | 4.1 |
| Jul | 27° / 23° | 166 | 23.5 | 11.7 | 4.6 |
| Aug | 27° / 23° | 66 | 15.6 | 11.8 | 5.8 |
| Sep | 28° / 24° | 39 | 9.6 | 12 | 6.3 |
| Oct | 29° / 24° | 61 | 12.4 | 12.1 | 5.2 |
| Nov | 30° / 25° | 115 | 19.2 | 12.2 | 4.0 |
| Dec | 29° / 25° | 183 | 26.4 | 12.3 | 3.2 |
Cloud cover in Spring
The sky is clear or mostly clear about 34% of the time across spring.
Chance of precipitation in Spring
Sinjai gets around 214 mm of rain over 41 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 8 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 54 min in early September to 12 h 18 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.3 kWh/m².
Hazard calendar for Sinjai
In spring, Sinjai overlaps its cyclone season. The full year is below, with each hazard's peak months called out.
Sinjai sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Is spring a good time to visit Sinjai?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Sinjai for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Sinjai in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Sinjai sees daytime highs around 29°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 41 days see rain.
Sea temperature near Sinjai in Spring
The nearest coast averages about 29°C across spring — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 30 | 29 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 30 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 30 | Tropical |
| Feb | 29 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 28 | Warm |
| Aug | 28 | Warm |
| Sep | 28 | Tropical |
| Oct | 29 | Tropical |
| Nov | 30 | Tropical |
| Dec | 30 | Tropical |
UV index in Sinjai in Spring
Clear-sky midday UV across spring averages around 14 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 15 | 15 | 14 | 12 | 10 | 10 | 12 | 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 | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 12 | Extreme |
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.
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 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.