Climate averages 1991–2020
Pekanbaru weather
in May.
A hot, very wet month: one of the warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Pekanbaru: daytime highs average 30.4°C and nights cool to about 23.9°C. By daytime temperature it is one of the warmest months of the year.
Expect about 191 mm of rain on roughly 25 days, which makes May a very wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average May day.
The nearest other city in this atlas is Payakumbuh (121 km away). In May its highs average 28.4°C, 2.0°C cooler than Pekanbaru, with 199 mm of rain.
Among the 200 cities listed in Indonesia, Pekanbaru ranks joint 9th of 200 for the warmest May highs and joint 132nd of 200 for the driest May (rainfall, lowest first). The mean May high of those 200 cities is 29.2°C; Pekanbaru is 1.2°C warmer than that mean.
From May to June, average highs fall by 0.1°C to 30.3°C, and monthly rainfall falls from 191 mm to 131 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Pekanbaru climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.0°C22.7°C | 22.7°C | 210 | 24.2 | 12.112 h |
| February | 29.6°C22.9°C | 22.9°C | 159 | 21.3 | 12.112 h |
| March | 30.0°C23.2°C | 23.2°C | 213 | 26.1 | 12.112 h |
| April | 30.2°C23.5°C | 23.5°C | 233 | 27.8 | 12.112 h |
| May, selected | 30.4°C23.9°C | 23.9°C | 191 | 24.9 | 12.112 h |
| June | 30.3°C23.7°C | 23.7°C | 131 | 19.6 | 12.212 h |
| July | 30.2°C23.3°C | 23.3°C | 124 | 19.0 | 12.112 h |
| August | 30.4°C23.2°C | 23.2°C | 157 | 22.0 | 12.112 h |
| September | 30.3°C23.1°C | 23.1°C | 195 | 23.8 | 12.112 h |
| October | 30.1°C23.1°C | 23.1°C | 241 | 27.0 | 12.112 h |
| November | 29.3°C23.0°C | 23.0°C | 298 | 27.9 | 12.112 h |
| December | 28.9°C22.9°C | 22.9°C | 263 | 26.8 | 12.112 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Payakumbuh in MayIndonesia · 121 kmHigh 28.4°C · Low 21.0°C · 199 mm rain
- Dumai in MayIndonesia · 128 kmHigh 30.5°C · Low 24.3°C · 224 mm rain
- Bukittinggi in MayIndonesia · 150 kmHigh 26.5°C · Low 19.3°C · 315 mm rain
- Solok in MayIndonesia · 170 kmHigh 28.4°C · Low 21.6°C · 153 mm rain
- Pariaman in MayIndonesia · 194 kmHigh 29.2°C · Low 23.6°C · 337 mm rain
- Padang in MayIndonesia · 203 kmHigh 29.2°C · Low 24.0°C · 291 mm rain
- Malacca in MayMalaysia · 207 kmHigh 29.4°C · Low 25.6°C · 217 mm rain
- Muar in MayMalaysia · 211 kmHigh 29.5°C · Low 25.3°C · 213 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Pekanbaru) is explained once on the Pekanbaru year overview and on the Sources, method and limits page.