Sungai Petani climate

Name: Sungai Petani
Address: MY

Sungai Petani is warmest in February, with average highs of 31 °C, and coldest in January, when nights average 23 °C. October is the wettest month (320 mm) and January the driest (90 mm). Figures are 1991–2020 climate normals.

Across a full year Sungai Petani averages 2,396 mm of rain and 365 days above 25 °C.

Malaysia · population 544,851 · 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 February 31 °C
Coldest month January 23 °C
Driest month January 90 mm
Wettest month October 320 mm
Least cloud February 66 % cloud
Hottest on record March 38 °C
Coldest on record January 18 °C
Warmest sea May 31 °C

What to expectSungai Petani through the year

Sungai Petani changes little through the year. Average daily highs stay between 30 and 31 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 365 days a year reach 25 °C, 166 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in March.

Rain is strongly seasonal. October averages 320 mm against 90 mm in January — 3.5 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Sungai Petani is warmest in May at 31 °C and coldest in January at 29 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	30.3 °C	90 mm	71 %
February	31.4 °C	92 mm	66 %
March	31.3 °C	174 mm	71 %
April	30.5 °C	226 mm	79 %
May	30.2 °C	238 mm	86 %
June	30.1 °C	165 mm	84 %
July	29.9 °C	168 mm	85 %
August	29.9 °C	211 mm	86 %
September	29.3 °C	250 mm	88 %
October	28.9 °C	320 mm	90 %
November	29.0 °C	292 mm	87 %
December	29.2 °C	170 mm	81 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.3 °C	22.9 °C	26.3 °C	35.6 °C	18.4 °C	31	17
February	31.4 °C	23.4 °C	27.0 °C	37.3 °C	19.9 °C	28	22
March	31.3 °C	24.0 °C	27.2 °C	37.5 °C	20.4 °C	31	22
April	30.5 °C	24.4 °C	27.0 °C	35.3 °C	22.3 °C	30	19
May	30.2 °C	24.6 °C	27.0 °C	33.2 °C	22.8 °C	31	17
June	30.1 °C	24.5 °C	27.0 °C	32.7 °C	22.6 °C	30	17
July	29.9 °C	24.2 °C	26.8 °C	32.9 °C	22.7 °C	31	15
August	29.9 °C	24.1 °C	26.7 °C	34.1 °C	22.0 °C	31	14
September	29.3 °C	24.0 °C	26.3 °C	32.7 °C	22.3 °C	30	8
October	28.9 °C	23.7 °C	25.8 °C	32.6 °C	22.1 °C	31	4
November	29.0 °C	23.5 °C	25.7 °C	31.3 °C	21.7 °C	30	3
December	29.2 °C	23.0 °C	25.7 °C	32.4 °C	20.4 °C	31	8

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	90 mm	12	12 h/day	71 %	78 %	10 km/h	28.7 °C
February	92 mm	13	12 h/day	66 %	76 %	11 km/h	29.0 °C
March	174 mm	21	12 h/day	71 %	79 %	10 km/h	29.6 °C
April	226 mm	27	12 h/day	79 %	84 %	9.3 km/h	30.3 °C
May	238 mm	27	12 h/day	86 %	85 %	9.0 km/h	30.5 °C
June	165 mm	23	12 h/day	84 %	84 %	9.4 km/h	30.5 °C
July	168 mm	22	12 h/day	85 %	83 %	9.9 km/h	30.3 °C
August	211 mm	25	12 h/day	86 %	84 %	10 km/h	30.1 °C
September	250 mm	27	12 h/day	88 %	85 %	10 km/h	29.8 °C
October	320 mm	29	12 h/day	90 %	87 %	9.5 km/h	29.5 °C
November	292 mm	26	12 h/day	87 %	87 %	8.7 km/h	29.3 °C
December	170 mm	18	12 h/day	81 %	84 %	10 km/h	28.9 °C

How Sungai Petani 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
Sungai Petani	31 °C	23 °C	2,396 mm	365
Kota Kuala Muda · Malaysia	31 °C	23 °C	2,419 mm	365
George Town · Malaysia	30 °C	24 °C	2,487 mm	365
Bukit Mertajam · Malaysia	31 °C	23 °C	2,589 mm	365
Kulim · Malaysia	30 °C	22 °C	2,776 mm	365
Paya Terubong · Malaysia	30 °C	24 °C	2,477 mm	365
Alor Setar · Malaysia	33 °C	23 °C	2,232 mm	365

Where Sungai Petani ranks

Ranking	Position	Value
Warmest sea temperatures in Asia in April	5thof 50	30 °C
Warmest sea temperatures in the world in April	5thof 50	30 °C
Warmest sea temperatures in Asia year-round	6thof 50	30 °C
Warmest sea temperatures in the world year-round	6thof 50	30 °C
Warmest sea temperatures in Asia in May	9thof 50	31 °C
Warmest sea temperatures in Asia in March	10thof 50	30 °C

Planning a trip? See the best time to visit Sungai Petani.

QuestionsCommon questions about Sungai Petani’s climate

When is the best time to visit Sungai Petani?

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

How hot does Sungai Petani get?

In February, the warmest month, daily highs average 31 °C. About 166 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °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 Sungai Petani?

October, averaging 320 mm over 29 days with rain. The driest month is January with 90 mm. The year as a whole averages 2,396 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 Sungai Petani 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
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.