Hsinchu climate — normals and trends

Q: What is the climate of Hsinchu?

Hsinchu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.8 °C and it receives 1,448 mm of precipitation per year.

Q: What is the hottest day ever recorded in Hsinchu?

The hottest day measured in Hsinchu between 1940 and 2025 was 17 July 2019, reaching 35.8 °C.

Q: What is the coldest day in Hsinchu?

The coldest day measured in Hsinchu between 1940 and 2025 was 16 January 1967, at 2.5 °C.

Q: Does it snow in Hsinchu?

Almost never: Hsinchu sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Hsinchu warmed?

Yes: Hsinchu warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Hsinchu?

The wettest day measured in Hsinchu between 1940 and 2025 was 11 September 1963, with 399 mm of rain in 24 hours.

Q: What was the windiest day in Hsinchu?

The windiest day measured in Hsinchu between 1940 and 2025 was 8 August 2015, with winds reaching 74.5 km/h.

Q: What is the warmest month in Hsinchu?

The warmest month in Hsinchu is July (27.7 °C on average); the coldest is January (14.9 °C).

Q: How much does it rain in Hsinchu?

Hsinchu receives on average 1,448 mm of precipitation per year, spread over about 142 rainy days.

Q: Is it sunny in Hsinchu?

Hsinchu gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Hsinchu (Taiwan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.8 °C and it receives 1,448 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is July (27.7 °C on average) and the coldest is January (14.9 °C). Rainfall peaks in August.

Hsinchu averages 0 frost days, 55 hot days (≥ 30 °C) and 142 rainy days per year.

Hsinchu has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.8 °C (on 17 July 2019) and the coldest 2.5 °C (on 16 January 1967).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

HsinchuTaiwan

coords: 24.80°, 120.97°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

21.8°C

Average daily high

24.5°C

Average daily low

19.5°C

Annual rainfall

1,448mm

Sunshine / day

9.4h

Mean relative humidity

79%

Average peak wind

19.0km/h

Seasonal range

12.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

55 d/yr

Rainy days (≥ 1 mm)

142 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.4 °C

Average feels-like low

20.2 °C

Average peak gust

40.2 km/h

Tropical nights (≥ 20 °C)

191 d/yr

Solar radiation

15.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+2.1 °C

since 1940

+0.3 °C per decade · r² = 0.74 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

35.8 °C

17 July 2019

Coldest day

2.5 °C

16 January 1967

Wettest day

399 mm

11 September 1963

Windiest day

74.5 km/h

8 August 2015

Strongest gust

172.1 km/h

27 September 1969

Hottest feels-like

42.1 °C

2 August 2009

Coldest feels-like

-4.5 °C

16 January 1967

Snowiest day

2.0 cm

24 January 2016

Sunniest day

13.5 h

30 June 2009

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	33.9 °C15 June 2025	8.0 °C28 January 2025	23.0 °C	1,675 mm	134
2024	35.2 °C2 July 2024	6.3 °C23 January 2024	23.4 °C	1,547 mm	109
2023	34.8 °C7 July 2023	6.6 °C25 January 2023	23.0 °C	1,349 mm	103
2022	33.7 °C24 July 2022	7.5 °C18 December 2022	22.5 °C	1,557 mm	87
2021	34.6 °C16 May 2021	5.7 °C8 January 2021	23.2 °C	1,294 mm	126
2020	35.3 °C10 July 2020	6.3 °C31 December 2020	23.4 °C	838 mm	120
2019	35.8 °C17 July 2019	11.6 °C23 January 2019	23.2 °C	1,377 mm	96
2018	33.6 °C27 May 2018	6.5 °C5 February 2018	22.9 °C	1,263 mm	98
2017	32.9 °C9 August 2017	8.0 °C10 February 2017	22.8 °C	1,384 mm	103
2016	35.2 °C28 July 2016	2.8 °C25 January 2016	22.8 °C	1,868 mm	94
2015	34.4 °C18 June 2015	9.4 °C17 December 2015	23.0 °C	1,246 mm	88
2014	35.1 °C7 July 2014	7.3 °C11 February 2014	22.6 °C	1,081 mm	98
2013	34.4 °C27 June 2013	8.7 °C27 December 2013	22.6 °C	1,782 mm	77
2012	33.2 °C20 July 2012	7.1 °C30 December 2012	22.4 °C	2,115 mm	68
2011	32.8 °C15 June 2011	7.1 °C16 January 2011	22.0 °C	1,421 mm	73
2010	34.7 °C7 July 2010	7.5 °C27 December 2010	22.6 °C	1,351 mm	87
2009	35.1 °C2 August 2009	7.2 °C14 January 2009	22.7 °C	1,316 mm	95
2008	34.2 °C25 June 2008	8.0 °C13 February 2008	22.6 °C	1,778 mm	96
2007	35.1 °C20 July 2007	7.8 °C29 January 2007	22.8 °C	1,923 mm	82
2006	32.7 °C6 July 2006	7.5 °C6 January 2006	22.9 °C	1,719 mm	72
2005	33.1 °C16 July 2005	5.4 °C6 March 2005	22.2 °C	1,782 mm	86
2004	35.2 °C30 June 2004	5.6 °C24 January 2004	22.2 °C	2,187 mm	70
2003	34.6 °C22 July 2003	9.2 °C19 December 2003	22.5 °C	1,132 mm	76
2002	33.4 °C24 June 2002	9.9 °C4 January 2002	22.7 °C	1,320 mm	57
2001	32.6 °C16 August 2001	9.1 °C22 December 2001	22.2 °C	1,804 mm	61
2000	32.6 °C6 July 2000	7.7 °C26 January 2000	22.2 °C	1,834 mm	47
1999	33.5 °C24 July 1999	4.9 °C22 December 1999	22.5 °C	1,068 mm	65
1998	33.0 °C24 July 1998	8.2 °C5 February 1998	22.8 °C	1,943 mm	71
1997	31.9 °C12 May 1997	8.9 °C24 January 1997	22.0 °C	1,431 mm	32
1996	33.1 °C12 July 1996	7.9 °C10 February 1996	21.8 °C	1,499 mm	68
1995	33.0 °C29 July 1995	7.2 °C6 February 1995	21.5 °C	1,264 mm	60
1994	32.9 °C9 July 1994	7.8 °C21 January 1994	22.5 °C	2,014 mm	62
1993	32.3 °C27 June 1993	7.1 °C28 January 1993	22.2 °C	1,059 mm	76
1992	31.1 °C14 August 1992	7.5 °C14 January 1992	21.5 °C	1,589 mm	34
1991	33.1 °C24 May 1991	4.7 °C28 December 1991	22.2 °C	1,206 mm	84
1990	32.2 °C8 August 1990	8.1 °C1 February 1990	22.1 °C	1,791 mm	48
1989	32.9 °C16 July 1989	7.7 °C28 January 1989	21.7 °C	1,401 mm	55
1988	32.7 °C23 June 1988	9.5 °C7 March 1988	21.8 °C	1,418 mm	85
1987	32.1 °C7 August 1987	6.1 °C27 February 1987	22.0 °C	1,276 mm	55
1986	32.4 °C16 August 1986	4.2 °C3 March 1986	21.4 °C	1,776 mm	46
1985	31.4 °C22 June 1985	5.9 °C16 December 1985	21.4 °C	1,810 mm	16
1984	32.3 °C28 August 1984	6.2 °C7 February 1984	21.3 °C	1,580 mm	34
1983	33.9 °C25 July 1983	8.6 °C22 January 1983	21.9 °C	1,426 mm	74
1982	32.2 °C21 June 1982	8.0 °C17 January 1982	21.7 °C	1,320 mm	43
1981	31.8 °C15 August 1981	6.9 °C12 January 1981	21.7 °C	2,038 mm	42
1980	33.3 °C6 July 1980	5.1 °C31 January 1980	21.8 °C	928 mm	70
1979	32.3 °C4 July 1979	5.9 °C1 February 1979	21.6 °C	1,614 mm	54
1978	33.2 °C25 August 1978	5.0 °C18 February 1978	21.7 °C	1,988 mm	60
1977	32.8 °C9 July 1977	5.3 °C18 February 1977	22.0 °C	1,390 mm	69
1976	31.4 °C18 July 1976	7.1 °C9 December 1976	21.2 °C	1,548 mm	36
1975	31.7 °C9 August 1975	7.5 °C15 December 1975	21.7 °C	1,669 mm	58
1974	31.8 °C8 August 1974	4.5 °C25 February 1974	21.6 °C	1,598 mm	30
1973	32.0 °C19 August 1973	5.4 °C24 December 1973	21.9 °C	1,648 mm	55
1972	31.5 °C21 July 1972	5.4 °C2 March 1972	21.3 °C	2,098 mm	14
1971	34.1 °C20 July 1971	6.7 °C5 January 1971	21.3 °C	1,120 mm	64
1970	32.6 °C1 August 1970	5.6 °C1 February 1970	21.4 °C	1,622 mm	55
1969	31.7 °C26 July 1969	5.2 °C5 February 1969	21.2 °C	2,088 mm	47
1968	32.9 °C6 September 1968	6.8 °C16 January 1968	21.0 °C	1,546 mm	37
1967	32.4 °C28 August 1967	2.5 °C16 January 1967	21.1 °C	1,343 mm	60
1966	30.1 °C3 August 1966	8.6 °C23 February 1966	21.5 °C	1,751 mm	3
1965	30.4 °C14 July 1965	7.2 °C9 January 1965	21.0 °C	1,025 mm	1
1964	33.1 °C7 August 1964	8.1 °C19 January 1964	21.6 °C	1,169 mm	36
1963	32.0 °C5 September 1963	4.6 °C27 January 1963	21.0 °C	1,450 mm	8
1962	31.7 °C17 July 1962	6.4 °C2 January 1962	21.0 °C	1,213 mm	38
1961	32.0 °C13 June 1961	6.3 °C2 February 1961	21.6 °C	1,442 mm	26
1960	31.8 °C30 July 1960	6.0 °C30 December 1960	21.7 °C	1,804 mm	21
1959	32.2 °C1 July 1959	5.2 °C17 January 1959	21.9 °C	1,463 mm	48
1958	31.6 °C8 September 1958	4.1 °C13 February 1958	21.5 °C	1,447 mm	46
1957	31.5 °C16 August 1957	5.4 °C10 February 1957	21.3 °C	1,245 mm	43
1956	32.9 °C7 July 1956	5.0 °C8 January 1956	21.6 °C	1,632 mm	78
1955	31.4 °C4 August 1955	4.9 °C21 February 1955	21.2 °C	1,223 mm	31
1954	32.9 °C18 June 1954	8.9 °C6 February 1954	22.2 °C	648 mm	89
1953	33.3 °C12 August 1953	7.5 °C7 January 1953	21.9 °C	1,296 mm	62
1952	32.4 °C8 July 1952	6.2 °C18 February 1952	22.0 °C	1,287 mm	39
1951	33.1 °C31 July 1951	8.1 °C15 December 1951	21.4 °C	1,324 mm	19
1950	32.0 °C19 July 1950	6.7 °C9 December 1950	21.2 °C	1,209 mm	15
1949	32.3 °C8 July 1949	5.6 °C9 January 1949	21.7 °C	799 mm	38
1948	30.8 °C30 June 1948	5.0 °C17 January 1948	21.4 °C	958 mm	20
1947	30.8 °C27 August 1947	7.7 °C9 March 1947	20.7 °C	1,645 mm	5
1946	31.4 °C7 July 1946	7.2 °C2 February 1946	21.3 °C	784 mm	15
1945	30.3 °C23 July 1945	6.8 °C18 December 1945	20.4 °C	1,092 mm	6
1944	30.0 °C8 June 1944	8.3 °C7 January 1944	20.9 °C	1,081 mm	1
1943	30.7 °C31 May 1943	4.8 °C12 January 1943	20.8 °C	501 mm	15
1942	30.5 °C11 August 1942	7.2 °C13 February 1942	20.9 °C	1,526 mm	2
1941	29.5 °C14 July 1941	7.3 °C5 February 1941	20.9 °C	1,389 mm	0
1940	29.7 °C27 July 1940	5.2 °C24 January 1940	20.2 °C	1,077 mm	0

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

25.8 °C

+1.3 °C

Hot days (≥ 30 °C)

134 d/yr

+79

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1675 mm

+227 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	18.0 °C	+0.4 °C	39 mm	-15 mm
Feb	18.2 °C	+0.1 °C	91 mm	+19 mm
Mar	21.6 °C	+0.9 °C	120 mm	+39 mm
Apr	25.7 °C	+1.4 °C	105 mm	+20 mm
May	28.3 °C	+1.1 °C	228 mm	+93 mm
Jun	30.7 °C	+1.7 °C	109 mm	-68 mm
Jul	30.6 °C	+0.4 °C	506 mm	+314 mm
Aug	31.3 °C	+1.6 °C	82 mm	-193 mm
Sep	31.2 °C	+2.7 °C	79 mm	-122 mm
Oct	28.7 °C	+2.8 °C	208 mm	+125 mm
Nov	23.8 °C	+0.7 °C	71 mm	+24 mm
Dec	21.2 °C	+1.7 °C	36 mm	-8 mm

The year's extremes

Hottest day

33.9 °C

15 Jun 2025

Coldest day

8.0 °C

28 Jan 2025

Wettest day

109.9 mm

20 Jul 2025

Windiest day

41.2 km/h

13 Aug 2025

Strongest gust

86.8 km/h

13 Aug 2025

Hottest feels-like

40.5 °C

2 Jul 2025

Coldest feels-like

2.1 °C

8 Feb 2025

Sunniest day

13.4 h

1 Jul 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Hsinchu?

Hsinchu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.8 °C and it receives 1,448 mm of precipitation per year.

What is the hottest day ever recorded in Hsinchu?

The hottest day measured in Hsinchu between 1940 and 2025 was 17 July 2019, reaching 35.8 °C.

What is the coldest day in Hsinchu?

The coldest day measured in Hsinchu between 1940 and 2025 was 16 January 1967, at 2.5 °C.

Does it snow in Hsinchu?

Almost never: Hsinchu sees virtually no snow, with about 0 frost days per year.

Has the climate of Hsinchu warmed?

Yes: Hsinchu warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hsinchu?

The wettest day measured in Hsinchu between 1940 and 2025 was 11 September 1963, with 399 mm of rain in 24 hours.

What was the windiest day in Hsinchu?

The windiest day measured in Hsinchu between 1940 and 2025 was 8 August 2015, with winds reaching 74.5 km/h.

What is the warmest month in Hsinchu?

The warmest month in Hsinchu is July (27.7 °C on average); the coldest is January (14.9 °C).

How much does it rain in Hsinchu?

Hsinchu receives on average 1,448 mm of precipitation per year, spread over about 142 rainy days.

Is it sunny in Hsinchu?

Hsinchu gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

What is the biggest single-day snowfall in Hsinchu?

The heaviest 24-hour snowfall measured in Hsinchu between 1940 and 2025 was 24 January 2016, with 2.0 cm.

Are there tropical nights in Hsinchu?

Yes: Hsinchu has on average 191 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hsinchu?

In Hsinchu, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 2 August 2009, and the lowest was -4.5 °C on 16 January 1967.

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