Tanjung in Summer
In summer (December, January and February), Tanjung sees average daytime highs around 30°C and overnight lows near 23°C, with 657 mm of rain over about 81 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels oppressive.
Summer is Tanjung's 3rd-best season to visit on our travel score. Tanjung 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 Tanjung's year-round climate.
- Avg daytime high
- 30°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 657 mm
- 81 wet days
- Avg wind
- 4 km/h
- Travel score
- 2.7
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Tanjung in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Tanjung reaches about 30°C and drops to 23°C overnight. The warmest of the three months is February, the coolest January.
How summer really feels in Tanjung
Once humidity and wind are folded in, summer brings about 90 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.
Tanjung 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 | 30° / 23° | 214 | 27.6 | 12.1 | 2.8 |
| Feb | 30° / 23° | 196 | 24.4 | 12.1 | 2.8 |
| Mar | 30° / 23° | 250 | 28.1 | 12 | 2.6 |
| Apr | 31° / 23° | 238 | 27.8 | 12 | 2.6 |
| May | 31° / 23° | 179 | 24.6 | 11.9 | 2.9 |
| Jun | 31° / 23° | 132 | 19.9 | 11.9 | 3.4 |
| Jul | 31° / 22° | 98 | 16.1 | 11.9 | 3.8 |
| Aug | 32° / 22° | 78 | 13.1 | 11.9 | 3.7 |
| Sep | 32° / 23° | 89 | 14 | 12 | 3.3 |
| Oct | 32° / 23° | 157 | 20.4 | 12 | 2.9 |
| Nov | 31° / 23° | 246 | 27.6 | 12.1 | 2.5 |
| Dec | 30° / 23° | 247 | 29 | 12.1 | 2.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 1% of the time across summer.
Chance of precipitation in Summer
Tanjung gets around 657 mm of rain over 81 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 h 06 min 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 4.5 kWh/m².
Is summer a good time to visit Tanjung?
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 Tanjung.
What to pack for Tanjung in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Tanjung sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 81 days see rain.
UV index in Tanjung 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 Tanjung peaks around February 19 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 | 15 | 14 | 12 | 11 | 11 | 12 | 13 | 13 | 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 | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Air quality in Tanjung 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 Tanjung is worst in September — around 93 µg/m³ PM2.5 (unhealthy), about 5.3× the cleanest month (January, 18 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 | 18 | 22 | 21 | 23 | 23 | 30 | 49 | 93 | 87 | 28 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy | Unhealthy | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 18 | Moderate |
| Mar | 22 | Moderate |
| Apr | 21 | Moderate |
| May | 23 | Moderate |
| Jun | 23 | Moderate |
| Jul | 30 | Moderate |
| Aug | 49 | Poor |
| Sep | 93 | Unhealthy |
| Oct | 87 | Unhealthy |
| Nov | 28 | Moderate |
| Dec | 18 | Moderate |
Where is Tanjung?
Tanjung sits at 2.2°S, 115.4°E, 23 m above sea level, in Indonesia. The nearest listed city is Amuntai, 33 km away.
Topography around Tanjung
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tanjung.
Within 3 km, the terrain around Tanjung has only modest variations in elevation — a maximum elevation change of 39 m around an average of 25 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 272 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,967 m.
The land around Tanjung is covered by trees (74%) and artificial surfaces (20%) within 3 km, trees (84%) within 16 km, and trees (85%) 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 Tanjung (-2.1709°, 115.4077°, elevation 23 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.