Weather in Pekanbaru in June
Indonesia · 20-year averages, June
A hard month. June asks something of you. Go in knowing what. The heat itself is manageable at 29.2 °C, but 91% humidity is what you will actually feel.
Pekanbaru barely has seasons. June scores 46 out of 100 against a best of 47 in January — a gap small enough that the month you choose matters far less here than the week you choose. That is not a contradiction: June is among the best months Pekanbaru has, and it is still hard going. This is a city with no easy season rather than a city you have caught at a bad time.
Rain on 17 days, 5 of them heavy. Enough to need a plan B, not enough to need a plan around it. Natural fibres and a second shirt for the day. At 91% nothing dries, including you.
What the averages hide
Averages flatten a month, and this one hides a few things: 6 days top 30 °C — hot spells arrive, but they break; the day barely swings — 5.5 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest June day reached 31.3 °C and the coldest night fell to 20.8 °C, and the wettest single day dropped 75 mm — roughly 44% of the month's rain in one day.
June is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest June on record still delivered 287 mm against 69 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 169 mm average is a reasonable planning figure, not a promise.
Wind is light at 0.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity at 91% is the real story though — it is the number that decides how the day feels, not the 29.2 °C.
How June sits in the year
Temperatures hold steady either side: 29.6 °C in May, 29.2 here, 29.2 in July. Nothing about the timing within the month matters much. Rain has already shifted: 5 days fewer than May had.
Daylight in June
Pekanbaru sits close enough to the equator that daylight barely moves all year — 12.2 hours in June, against a range of just 0.1 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.
An inland climate
Despite being inland, the year stays fairly even: 6.4 °C between the year's warmest afternoons and coldest nights.
How busy it gets
Busy. Popular without being frantic; book the things you care about, improvise the rest.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
June in Pekanbaru versus nearby
If Pekanbaru is one option among several, the nearby comparison is worth making. Padang is close enough to be a coin toss — within a degree on temperature, 2 days more rain. Singapore is close enough to be a coin toss — within a degree on temperature, 5 days more rain.
So: June is effectively as good as it gets here — 1 points behind January, which is inside the margin where the weather stops being the deciding factor and price starts being it.
Every month in Pekanbaru
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 29 | 23.3 | 22 | 223 | 90 | 12.1 | 47 |
| February | 29.6 | 23.5 | 18 | 162 | 89 | 12.1 | 45 |
| March | 29.7 | 23.8 | 24 | 271 | 90 | 12.1 | 44 |
| April | 29.6 | 24.2 | 26 | 288 | 91 | 12.1 | 43 |
| May | 29.6 | 24.3 | 22 | 213 | 91 | 12.1 | 43 |
| June | 29.2 | 23.7 | 17 | 169 | 91 | 12.2 | 46 |
| July | 29.2 | 23.5 | 19 | 164 | 90 | 12.1 | 46 |
| August | 29.5 | 23.5 | 19 | 185 | 89 | 12.1 | 46 |
| September | 29.5 | 23.5 | 22 | 235 | 90 | 12.1 | 45 |
| October | 29.5 | 23.7 | 25 | 292 | 90 | 12.1 | 45 |
| November | 29.1 | 23.8 | 28 | 351 | 91 | 12.1 | 46 |
| December | 28.7 | 23.5 | 25 | 307 | 92 | 12.1 | 47 |
See all twelve months in Pekanbaru, or where else to go in June.
Planning the rest of the trip
- Flight time to Pekanbaru how long you are actually in the air
- Pekanbaru time zone and the difference from home
- Days until your trip count down to the departure date