Pekanbaru climate

Name: Pekanbaru
Address: ID

Pekanbaru is warmest in August, with average highs of 30 °C, and coldest in January, when nights average 23 °C. November is the wettest month (302 mm) and July the driest (130 mm). Figures are 1991–2020 climate normals.

Across a full year Pekanbaru averages 2,490 mm of rain and 364 days above 25 °C.

Indonesia · population 1,167,599 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 30 °C
Coldest month January 23 °C
Driest month July 130 mm
Wettest month November 302 mm
Least cloud July 77 % cloud
Hottest on record September 36 °C
Coldest on record January 20 °C

What to expectPekanbaru through the year

Pekanbaru changes little through the year. Average daily highs stay between 29 and 30 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 364 days a year reach 25 °C, 187 of them reach 30 °C. The warmest reading in the 1991–2020 record is 36 °C, in September.

Rain is strongly seasonal. November averages 302 mm against 130 mm in July — 2.3 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	29.0 °C	217 mm	89 %
February	29.6 °C	170 mm	85 %
March	30.0 °C	226 mm	87 %
April	30.2 °C	238 mm	90 %
May	30.4 °C	194 mm	86 %
June	30.4 °C	133 mm	79 %
July	30.3 °C	130 mm	77 %
August	30.4 °C	162 mm	81 %
September	30.4 °C	201 mm	84 %
October	30.1 °C	248 mm	90 %
November	29.3 °C	302 mm	94 %
December	28.9 °C	271 mm	93 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.0 °C	22.6 °C	25.2 °C	32.7 °C	19.8 °C	31	6
February	29.6 °C	22.8 °C	25.6 °C	33.5 °C	20.5 °C	28	11
March	30.0 °C	23.1 °C	25.9 °C	33.1 °C	20.7 °C	31	17
April	30.2 °C	23.4 °C	26.1 °C	33.2 °C	21.7 °C	30	18
May	30.4 °C	23.8 °C	26.4 °C	33.5 °C	22.0 °C	31	21
June	30.4 °C	23.5 °C	26.4 °C	33.9 °C	21.5 °C	30	20
July	30.3 °C	23.2 °C	26.2 °C	34.0 °C	19.8 °C	31	19
August	30.4 °C	23.1 °C	26.2 °C	34.3 °C	21.6 °C	31	21
September	30.4 °C	23.0 °C	26.0 °C	35.5 °C	21.3 °C	30	20
October	30.1 °C	23.1 °C	25.9 °C	34.8 °C	20.7 °C	31	17
November	29.3 °C	23.0 °C	25.4 °C	32.6 °C	21.4 °C	30	10
December	28.9 °C	22.9 °C	25.2 °C	32.2 °C	20.5 °C	31	7

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	217 mm	24	12 h/day	89 %	89 %	8.5 km/h
February	170 mm	21	12 h/day	85 %	88 %	8.4 km/h
March	226 mm	26	12 h/day	87 %	89 %	7.7 km/h
April	238 mm	28	12 h/day	90 %	91 %	7.2 km/h
May	194 mm	25	12 h/day	86 %	90 %	7.4 km/h
June	133 mm	19	12 h/day	79 %	88 %	8.1 km/h
July	130 mm	19	12 h/day	77 %	87 %	8.8 km/h
August	162 mm	22	12 h/day	81 %	87 %	8.5 km/h
September	201 mm	24	12 h/day	84 %	88 %	7.7 km/h
October	248 mm	26	12 h/day	90 %	89 %	7.4 km/h
November	302 mm	27	12 h/day	94 %	91 %	7.6 km/h
December	271 mm	27	12 h/day	93 %	91 %	8.4 km/h

How Pekanbaru compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Pekanbaru	30 °C	23 °C	2,490 mm	364
Dumai · Indonesia	30 °C	23 °C	2,861 mm	365
Padang · Indonesia	29 °C	23 °C	4,020 mm	364
Malacca · Malaysia	30 °C	24 °C	2,283 mm	365
Muar · Malaysia	30 °C	24 °C	2,198 mm	364
Batu Pahat · Malaysia	30 °C	23 °C	2,439 mm	364
Sepang · Malaysia	30 °C	23 °C	2,514 mm	365

Planning a trip? See the best time to visit Pekanbaru.

QuestionsCommon questions about Pekanbaru’s climate

When is the best time to visit Pekanbaru?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, November, December sit closest to 20 °C on average, August is the warmest month and July the driest. The month-by-month table above has the full picture.

How hot does Pekanbaru get?

In August, the warmest month, daily highs average 30 °C. About 187 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 23 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Pekanbaru?

November, averaging 302 mm over 27 days with rain. The driest month is July with 130 mm. The year as a whole averages 2,490 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Pekanbaru rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 0.517°, 101.442° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.