Hsinchu climate

Name: Hsinchu
Address: TW

Hsinchu is warmest in July, with average highs of 30 °C, and coldest in January, when nights average 13 °C. August is the wettest month (306 mm) and November the driest (49 mm). Figures are 1991–2020 climate normals.

Across a full year Hsinchu averages 1,604 mm of rain and 189 days above 25 °C.

Taiwan · population 453,536 · 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 30 °C
Coldest month January 13 °C
Driest month November 49 mm
Wettest month August 306 mm
Least cloud October 44 % cloud
Hottest on record October 38 °C
Coldest on record January 3.3 °C
Warmest sea July 28 °C

What to expectHsinchu through the year

Hsinchu has a clear annual cycle: average daily highs run from 18 °C in January to 30 °C in July, a swing of 13 °C in mean temperature across the year.

Counted across a normal year, 189 days a year reach 25 °C, 43 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in October.

Rain is strongly seasonal. August averages 306 mm against 49 mm in November — 6.3 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Hsinchu is warmest in July at 28 °C and coldest in February at 18 °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	17.7 °C	64 mm	52 %
February	18.2 °C	79 mm	56 %
March	20.6 °C	106 mm	57 %
April	24.1 °C	105 mm	62 %
May	27.0 °C	158 mm	67 %
June	29.0 °C	190 mm	79 %
July	30.2 °C	212 mm	69 %
August	29.7 °C	306 mm	67 %
September	28.4 °C	193 mm	56 %
October	25.8 °C	89 mm	44 %
November	23.3 °C	49 mm	46 %
December	19.4 °C	54 mm	50 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	17.7 °C	13.2 °C	15.2 °C	26.5 °C	3.3 °C	0	0
February	18.2 °C	13.6 °C	15.7 °C	28.3 °C	6.1 °C	1	0
March	20.6 °C	15.7 °C	17.9 °C	29.8 °C	6.9 °C	2	0
April	24.1 °C	19.3 °C	21.5 °C	31.4 °C	7.5 °C	13	0
May	27.0 °C	22.4 °C	24.6 °C	34.9 °C	15.0 °C	25	3
June	29.0 °C	24.8 °C	26.8 °C	34.5 °C	18.7 °C	29	8
July	30.2 °C	25.7 °C	27.8 °C	36.4 °C	22.2 °C	31	15
August	29.7 °C	25.3 °C	27.3 °C	37.7 °C	22.6 °C	31	10
September	28.4 °C	24.0 °C	26.0 °C	35.4 °C	17.5 °C	28	5
October	25.8 °C	21.7 °C	23.4 °C	38.0 °C	15.2 °C	19	1
November	23.3 °C	18.9 °C	20.8 °C	35.8 °C	10.1 °C	9	0
December	19.4 °C	15.1 °C	17.0 °C	29.2 °C	5.1 °C	1	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	64 mm	10	11 h/day	52 %	79 %	22 km/h	18.4 °C
February	79 mm	10	11 h/day	56 %	80 %	21 km/h	17.9 °C
March	106 mm	11	12 h/day	57 %	80 %	20 km/h	20.1 °C
April	105 mm	11	13 h/day	62 %	80 %	18 km/h	23.1 °C
May	158 mm	13	13 h/day	67 %	81 %	17 km/h	25.5 °C
June	190 mm	14	14 h/day	79 %	80 %	18 km/h	27.1 °C
July	212 mm	15	14 h/day	69 %	80 %	17 km/h	28.4 °C
August	306 mm	20	13 h/day	67 %	82 %	15 km/h	28.4 °C
September	193 mm	14	12 h/day	56 %	81 %	18 km/h	27.6 °C
October	89 mm	7	12 h/day	44 %	77 %	24 km/h	25.6 °C
November	49 mm	6	11 h/day	46 %	78 %	24 km/h	23.5 °C
December	54 mm	7	11 h/day	50 %	77 %	24 km/h	20.7 °C

How Hsinchu 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
Hsinchu	30 °C	13 °C	1,604 mm	189
Bade · Taiwan	31 °C	12 °C	1,538 mm	189
Taoyuan · Taiwan	30 °C	13 °C	1,522 mm	178
Taipei · Taiwan	31 °C	14 °C	2,077 mm	189
Danshui · Taiwan	31 °C	14 °C	1,593 mm	184
Neihu · Taiwan	31 °C	14 °C	2,134 mm	189
Xizhi · Taiwan	31 °C	15 °C	2,361 mm	185

Where Hsinchu ranks

Ranking	Position	Value
Best beach destinations in Asia in October	28th of 50	91/100
Best beach destinations in Asia in May	29th of 50	78/100
Best beach destinations in Asia in June	49th of 50	75/100

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

QuestionsCommon questions about Hsinchu’s climate

When is the best time to visit Hsinchu?

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

How hot does Hsinchu get?

In July, the warmest month, daily highs average 30 °C. About 43 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 13 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Hsinchu?

August, averaging 306 mm over 20 days with rain. The driest month is November with 49 mm. The year as a whole averages 1,604 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 Hsinchu 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: 24.804°, 120.969° (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.