Kaohsiung climate

Name: Kaohsiung
Address: TW

Kaohsiung is warmest in July, with average highs of 31 °C, and coldest in January, when nights average 15 °C. August is the wettest month (391 mm) and February the driest (31 mm). Figures are 1991–2020 climate normals.

Across a full year Kaohsiung averages 1,870 mm of rain and 279 days above 25 °C.

Taiwan · population 2,737,660 · 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 July 31 °C
Coldest month January 15 °C
Driest month February 31 mm
Wettest month August 391 mm
Least cloud January 48 % cloud
Hottest on record July 35 °C
Coldest on record January 7.4 °C
Warmest sea July 29 °C

What to expectKaohsiung through the year

Kaohsiung has a clear annual cycle: average daily highs run from 22 °C in January to 31 °C in July, a swing of 9.4 °C in mean temperature across the year.

Counted across a normal year, 279 days a year reach 25 °C, 100 of them reach 30 °C. The warmest reading in the 1991–2020 record is 35 °C, in July.

Rain is strongly seasonal. August averages 391 mm against 31 mm in February — 13 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Kaohsiung is warmest in July at 29 °C and coldest in January at 24 °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	22.5 °C	37 mm	48 %
February	23.6 °C	31 mm	52 %
March	26.1 °C	42 mm	54 %
April	28.4 °C	96 mm	57 %
May	29.6 °C	254 mm	70 %
June	30.1 °C	365 mm	79 %
July	30.7 °C	300 mm	72 %
August	30.1 °C	391 mm	74 %
September	29.8 °C	199 mm	64 %
October	28.4 °C	71 mm	55 %
November	26.4 °C	47 mm	54 %
December	23.5 °C	38 mm	53 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	22.5 °C	15.3 °C	18.4 °C	28.8 °C	7.4 °C	5	0
February	23.6 °C	16.3 °C	19.5 °C	31.3 °C	9.1 °C	10	0
March	26.1 °C	18.7 °C	22.0 °C	31.4 °C	9.0 °C	21	1
April	28.4 °C	21.6 °C	24.7 °C	33.5 °C	14.7 °C	27	7
May	29.6 °C	24.0 °C	26.5 °C	34.7 °C	18.8 °C	30	14
June	30.1 °C	25.2 °C	27.4 °C	34.8 °C	21.2 °C	30	18
July	30.7 °C	25.4 °C	27.8 °C	35.1 °C	23.1 °C	31	23
August	30.1 °C	25.2 °C	27.4 °C	33.6 °C	22.7 °C	31	19
September	29.8 °C	24.4 °C	26.8 °C	33.9 °C	19.1 °C	30	14
October	28.4 °C	22.6 °C	25.2 °C	32.1 °C	17.4 °C	30	4
November	26.4 °C	20.3 °C	23.0 °C	31.7 °C	11.6 °C	24	0
December	23.5 °C	16.9 °C	19.8 °C	30.3 °C	9.6 °C	9	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	37 mm	6	11 h/day	48 %	76 %	18 km/h	23.7 °C
February	31 mm	6	11 h/day	52 %	76 %	17 km/h	23.7 °C
March	42 mm	7	12 h/day	54 %	75 %	17 km/h	24.3 °C
April	96 mm	11	13 h/day	57 %	77 %	15 km/h	25.9 °C
May	254 mm	18	13 h/day	70 %	81 %	14 km/h	27.6 °C
June	365 mm	21	14 h/day	79 %	84 %	16 km/h	28.8 °C
July	300 mm	21	13 h/day	72 %	83 %	16 km/h	29.3 °C
August	391 mm	22	13 h/day	74 %	85 %	16 km/h	29.2 °C
September	199 mm	17	12 h/day	64 %	84 %	14 km/h	28.8 °C
October	71 mm	10	12 h/day	55 %	82 %	13 km/h	27.7 °C
November	47 mm	6	11 h/day	54 %	81 %	14 km/h	26.1 °C
December	38 mm	5	11 h/day	53 %	77 %	17 km/h	24.6 °C

How Kaohsiung 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
Kaohsiung	31 °C	15 °C	1,870 mm	279
Fengshan · Taiwan	30 °C	15 °C	1,892 mm	271
Tainan · Taiwan	30 °C	15 °C	1,955 mm	256
Yongkang · Taiwan	30 °C	14 °C	1,988 mm	264
Chiayi City · Taiwan	30 °C	12 °C	2,910 mm	240
Chang-hua · Taiwan	30 °C	14 °C	1,751 mm	236
Taichung · Taiwan	29 °C	13 °C	2,260 mm	226

Where Kaohsiung ranks

Ranking	Position	Value
Best beach destinations in Asia in November	29thof 50	93/100
Best beach destinations in Asia year-round	34thof 50	78/100
Best beach destinations in Asia in March	37thof 50	91/100
Best beach destinations in Asia in April	38thof 50	84/100
Best beach destinations in the world in November	47thof 50	93/100

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

QuestionsCommon questions about Kaohsiung’s climate

When is the best time to visit Kaohsiung?

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

How hot does Kaohsiung get?

In July, the warmest month, daily highs average 31 °C. About 100 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.

How cold does it get in winter?

Nights average 15 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Kaohsiung?

August, averaging 391 mm over 22 days with rain. The driest month is February with 31 mm. The year as a whole averages 1,870 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 Kaohsiung 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.