Bandar Sunway in Summer
In summer (June, July and August), Bandar Sunway sees average daytime highs around 32°C and overnight lows near 25°C, with 306 mm of rain over about 52 wet days across the season. It is the warmest season of the year and the driest season of the year.
Across summer, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 7% of the time across summer, and the air most often feels oppressive.
Summer is Bandar Sunway's 2nd-best season to visit on our travel score. Bandar Sunway 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 Bandar Sunway's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 306 mm
- 52 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.1
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Bandar Sunway in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in Bandar Sunway reaches about 32°C and drops to 25°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Bandar Sunway
Once humidity and wind are folded in, summer brings about 92 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.
Bandar Sunway weather by month
How the three summer months (June, July and August) 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 | 31° / 24° | 201 | 21.1 | 11.8 | 3.3 |
| Feb | 32° / 24° | 124 | 16.4 | 11.9 | 3.3 |
| Mar | 32° / 25° | 168 | 22.1 | 12 | 2.8 |
| Apr | 32° / 25° | 188 | 24.6 | 12.1 | 2.5 |
| May | 32° / 25° | 154 | 23.3 | 12.1 | 2.6 |
| Jun | 32° / 25° | 97 | 16.9 | 12.2 | 3.0 |
| Jul | 32° / 25° | 100 | 16.9 | 12.2 | 3.2 |
| Aug | 32° / 25° | 109 | 18.6 | 12.1 | 3.0 |
| Sep | 32° / 25° | 129 | 20.6 | 12 | 2.8 |
| Oct | 32° / 25° | 187 | 24.6 | 11.9 | 2.6 |
| Nov | 31° / 24° | 314 | 27.7 | 11.9 | 2.5 |
| Dec | 30° / 24° | 280 | 26.1 | 11.8 | 2.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 7% of the time across summer.
Chance of precipitation in Summer
Bandar Sunway gets around 306 mm of rain over 52 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 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 12 min in early June to 12 h 06 min by late August. 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 5.3 kWh/m².
Hazard calendar for Bandar Sunway
In summer, Bandar Sunway overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Bandar Sunway sits in the Pacific typhoon belt; the season peaks July–October.
Is summer a good time to visit Bandar Sunway?
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 Bandar Sunway.
What to pack for Bandar Sunway in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Bandar Sunway sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 52 days see rain.
Sea temperature near Bandar Sunway in Summer
The nearest coast averages about 30°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 27 km away) is warmest in May at about 30°C and coldest in January 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 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 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 | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 30 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Bandar Sunway in Summer
Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bandar Sunway peaks around February 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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) | 12 | 14 | 13 | 13 | 12 | 11 | 10 | 12 | 13 | 12 | 10 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 10 | Very high |
| Dec | 10 | Extreme |
Air quality in Bandar Sunway 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 Bandar Sunway is worst in September — around 38 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (November, 23 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) | 30 | 34 | 33 | 31 | 30 | 29 | 34 | 34 | 38 | 34 | 23 | 25 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 30 | Moderate |
| Feb | 34 | Moderate |
| Mar | 33 | Moderate |
| Apr | 31 | Moderate |
| May | 30 | Moderate |
| Jun | 29 | Moderate |
| Jul | 34 | Moderate |
| Aug | 34 | Moderate |
| Sep | 38 | Poor |
| Oct | 34 | Moderate |
| Nov | 23 | Moderate |
| Dec | 25 | Moderate |
Where is Bandar Sunway?
Bandar Sunway sits at 3.1°N, 101.6°E, 0 m above sea level, in Malaysia. The nearest listed city is Subang Jaya, 4.0 km away.
Topography around Bandar Sunway
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bandar Sunway.
Within 3 km, the terrain around Bandar Sunway has only modest variations in elevation — a maximum elevation change of 106 m around an average of 26 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 425 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,877 m.
The land around Bandar Sunway is covered by artificial surfaces (75%) within 3 km, artificial surfaces (58%) and trees (33%) within 16 km, and trees (59%) and water (30%) within 80 km.
Malaysia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / G / M
- 230 V · 50 Hz
- Prices
- ≈ 32% of US
- price level, 2025
- GDP per capita
- $13,125
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 22.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 581
- 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 Bandar Sunway (3.0693°, 101.6074°, elevation 0 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.