Pekanbaru in Summer
In summer (June, July and August), Pekanbaru sees average daytime highs around 32°C and overnight lows near 24°C, with 412 mm of rain over about 61 wet days across the season. It is the 2nd-warmest season 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 miserable.
Summer is Pekanbaru's best season of the year to visit on our travel score. Pekanbaru 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 Pekanbaru's year-round climate.
- Avg daytime high
- 32°C
- 2nd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 412 mm
- 61 wet days
- Avg wind
- 5 km/h
- Travel score
- 2.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Pekanbaru in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in Pekanbaru reaches about 32°C and drops to 24°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Pekanbaru
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.
Pekanbaru 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° / 23° | 209 | 24.1 | 12 | 2.9 |
| Feb | 31° / 24° | 157 | 21.1 | 12 | 2.8 |
| Mar | 32° / 24° | 213 | 26.1 | 12 | 2.4 |
| Apr | 32° / 24° | 233 | 27.9 | 12 | 2.2 |
| May | 32° / 24° | 191 | 24.9 | 12 | 2.4 |
| Jun | 32° / 24° | 131 | 19.6 | 12 | 2.9 |
| Jul | 32° / 24° | 124 | 19.1 | 12 | 3.1 |
| Aug | 32° / 24° | 157 | 22.1 | 12 | 2.8 |
| Sep | 32° / 23° | 195 | 23.8 | 12 | 2.6 |
| Oct | 32° / 24° | 241 | 27 | 12 | 2.4 |
| Nov | 31° / 24° | 298 | 27.9 | 12 | 2.4 |
| Dec | 31° / 24° | 263 | 26.8 | 12 | 2.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 7% of the time across summer.
Chance of precipitation in Summer
Pekanbaru gets around 412 mm of rain over 61 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 hours in early June to 12 hours 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 4.8 kWh/m².
Is summer a good time to visit Pekanbaru?
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 Pekanbaru.
What to pack for Pekanbaru in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Pekanbaru sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 61 days see rain.
UV index in Pekanbaru in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Pekanbaru peaks around February 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (very high).
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) | 13 | 15 | 14 | 13 | 11 | 10 | 10 | 12 | 13 | 14 | 10 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 10 | Extreme |
| Dec | 11 | Extreme |
Air quality in Pekanbaru 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 Pekanbaru is worst in September — around 50 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (December, 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) | 25 | 32 | 34 | 30 | 28 | 29 | 33 | 43 | 50 | 42 | 25 | 23 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 25 | Moderate |
| Feb | 32 | Moderate |
| Mar | 34 | Moderate |
| Apr | 30 | Moderate |
| May | 28 | Moderate |
| Jun | 29 | Moderate |
| Jul | 33 | Moderate |
| Aug | 43 | Poor |
| Sep | 50 | Poor |
| Oct | 42 | Poor |
| Nov | 25 | Moderate |
| Dec | 23 | Moderate |
Where is Pekanbaru?
Pekanbaru sits at 0.5°N, 101.4°E, 19 m above sea level, in Indonesia. The nearest listed city is Balai Pungut, 63 km away.
Topography around Pekanbaru
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Pekanbaru.
Within 3 km, the terrain around Pekanbaru has only modest variations in elevation — a maximum elevation change of 24 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 80 m; within 80 km, large variations in elevation — a maximum elevation change of 667 m.
The land around Pekanbaru is covered by artificial surfaces (82%) within 3 km, trees (73%) within 16 km, and trees (95%) 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 Pekanbaru (0.5167°, 101.4417°, elevation 19 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.