Pontianak in Summer
In summer (December, January and February), Pontianak sees average daytime highs around 29°C and overnight lows near 24°C, with 792 mm of rain over about 73 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 29°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels oppressive.
Summer is Pontianak's 2nd-best season to visit on our travel score. Pontianak 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 Pontianak's year-round climate.
- Avg daytime high
- 29°C
- coldest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 792 mm
- 73 wet days
- Avg wind
- 8 km/h
- Travel score
- 3.3
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in Pontianak in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Pontianak reaches about 29°C and drops to 24°C overnight. The warmest of the three months is February, the coolest January.
How summer really feels in Pontianak
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.
Pontianak 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 | 29° / 24° | 257 | 24.8 | 12 | 3.4 |
| Feb | 29° / 24° | 171 | 19.6 | 12 | 3.6 |
| Mar | 30° / 25° | 199 | 23.1 | 12 | 3.3 |
| Apr | 30° / 25° | 256 | 27.4 | 12 | 2.8 |
| May | 30° / 25° | 225 | 24.9 | 12 | 3.1 |
| Jun | 30° / 25° | 170 | 19.8 | 12 | 3.6 |
| Jul | 30° / 25° | 149 | 17.9 | 12 | 3.9 |
| Aug | 31° / 25° | 142 | 17.1 | 12 | 3.8 |
| Sep | 30° / 25° | 191 | 20.7 | 12 | 3.4 |
| Oct | 30° / 24° | 309 | 27.6 | 12 | 3.0 |
| Nov | 29° / 24° | 386 | 29 | 12 | 2.8 |
| Dec | 29° / 24° | 364 | 28.2 | 12 | 3.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 1% of the time across summer.
Chance of precipitation in Summer
Pontianak gets around 792 mm of rain over 73 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 8 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 4.6 kWh/m².
Is summer a good time to visit Pontianak?
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 Pontianak.
What to pack for Pontianak in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Pontianak sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 73 days see rain.
Sea temperature near Pontianak 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 25 km away) is warmest in May at about 30°C and coldest in February 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 | 29 | 29 | 30 | 30 | 30 | 30 | 29 | 29 | 30 | 30 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 30 | Tropical |
| Nov | 30 | Tropical |
| Dec | 29 | Tropical |
UV index in Pontianak 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 Pontianak peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 | 13 | 11 | 10 | 13 | 13 | 13 | 11 | 11 |
| 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 | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Pontianak 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 Pontianak is worst in September — around 72 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (December, 14 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) | 15 | 20 | 22 | 19 | 17 | 16 | 26 | 54 | 72 | 30 | 16 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 20 | Moderate |
| Mar | 22 | Moderate |
| Apr | 19 | Moderate |
| May | 17 | Moderate |
| Jun | 16 | Moderate |
| Jul | 26 | Moderate |
| Aug | 54 | Poor |
| Sep | 72 | Unhealthy |
| Oct | 30 | Moderate |
| Nov | 16 | Moderate |
| Dec | 14 | Moderate |
Where is Pontianak?
Pontianak sits at 0.0°S, 109.3°E, 2 m above sea level, in Indonesia. The nearest listed city is Sungai Raya, 94 km away.
Topography around Pontianak
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Pontianak.
Within 3 km, the terrain around Pontianak has only modest variations in elevation — a maximum elevation change of 17 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 27 m; within 80 km, large variations in elevation — a maximum elevation change of 827 m.
The land around Pontianak is covered by artificial surfaces (78%) within 3 km, trees (59%) and grassland (25%) within 16 km, and trees (59%) and water (31%) 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 Pontianak (-0.0319°, 109.325°, elevation 2 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.