Sijunjung in Summer
In summer (December, January and February), Sijunjung sees average daytime highs around 29°C and overnight lows near 21°C, with 682 mm of rain over about 77 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 0% of the time across summer, and the air most often feels oppressive.
Summer is Sijunjung's 2nd-best season to visit on our travel score. Sijunjung 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 Sijunjung's year-round climate.
- Avg daytime high
- 29°C
- coldest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 682 mm
- 77 wet days
- Avg wind
- 4 km/h
- Travel score
- 3.3
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in Sijunjung in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Sijunjung reaches about 29°C and drops to 21°C overnight. The warmest of the three months is February, the coolest January.
How summer really feels in Sijunjung
Once humidity and wind are folded in, summer brings about 10 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sijunjung weather by month
How the three summer months (December, January and February) 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 | 28° / 21° | 245 | 26.8 | 12 | 3.3 |
| Feb | 29° / 21° | 182 | 23.3 | 12 | 3.3 |
| Mar | 30° / 21° | 215 | 26.4 | 12 | 3.1 |
| Apr | 30° / 22° | 236 | 27.2 | 12 | 2.8 |
| May | 30° / 22° | 145 | 24 | 12 | 3.2 |
| Jun | 30° / 21° | 102 | 20.1 | 12 | 3.6 |
| Jul | 30° / 21° | 112 | 19.4 | 12 | 3.8 |
| Aug | 30° / 21° | 128 | 20.2 | 12 | 3.6 |
| Sep | 30° / 21° | 151 | 23.1 | 12 | 3.3 |
| Oct | 30° / 22° | 176 | 25.7 | 12 | 3.1 |
| Nov | 29° / 22° | 261 | 27.1 | 12 | 3.0 |
| Dec | 29° / 21° | 255 | 26.8 | 12 | 3.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 0% of the time across summer.
Chance of precipitation in Summer
Sijunjung gets around 682 mm of rain over 77 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 4 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 hours in early December to 12 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.2 kWh/m².
Is summer a good time to visit Sijunjung?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Sijunjung.
What to pack for Sijunjung in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Sijunjung sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 77 days see rain.
Sea temperature near Sijunjung in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 70 km away) is warmest in May at about 30°C and coldest in October 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) | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 30 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Sijunjung in Summer
Clear-sky midday UV across summer 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 Sijunjung peaks around February 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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) | 14 | 16 | 14 | 14 | 12 | 11 | 11 | 12 | 14 | 14 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 16 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Air quality in Sijunjung in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Sijunjung is worst in September — around 38 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (December, 17 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) | 18 | 21 | 22 | 21 | 21 | 21 | 22 | 26 | 38 | 38 | 20 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 21 | Moderate |
| Mar | 22 | Moderate |
| Apr | 21 | Moderate |
| May | 21 | Moderate |
| Jun | 21 | Moderate |
| Jul | 22 | Moderate |
| Aug | 26 | Moderate |
| Sep | 38 | Poor |
| Oct | 38 | Poor |
| Nov | 20 | Moderate |
| Dec | 17 | Moderate |
Where is Sijunjung?
Sijunjung sits at 0.7°S, 101.0°E, 167 m above sea level, in Indonesia. The nearest listed city is Solok, 37 km away.
Topography around Sijunjung
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sijunjung.
Within 3 km, the terrain around Sijunjung has significant variations in elevation — a maximum elevation change of 271 m around an average of 192 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,104 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,877 m.
The land around Sijunjung is covered by trees (87%) within 3 km, trees (95%) within 16 km, and trees (93%) 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 Sijunjung (-0.7005°, 100.9774°, elevation 167 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.