Zhushan climate — normals and trends
Zhushan (Taiwan) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 20.0 °C and it receives 2,370 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 (24.3 °C on average) and the coldest is January (13.9 °C). Rainfall peaks in August.
Zhushan averages 0 frost days, 3 hot days (≥ 30 °C) and 214 rainy days per year.
Zhushan 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 32.3 °C (on 15 May 2021) and the coldest -1.0 °C (on 1 February 1970).
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
ZhushanTaiwan
- coords
- 23.76°, 120.68°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.0°C
Average daily high
24.0°C
Average daily low
16.4°C
Annual rainfall
2,370mm
Sunshine / day
9.8h
Mean relative humidity
82%
Average peak wind
8.4km/h
Seasonal range
10.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
214 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.9 °C
Average feels-like low
17.5 °C
Average peak gust
31.1 km/h
Tropical nights (≥ 20 °C)
93 d/yr
Solar radiation
16.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.81 · p = < 0.001
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
32.3 °C
15 May 2021
Coldest day
-1.0 °C
1 February 1970
Wettest day
511 mm
11 September 1963
Windiest day
34.2 km/h
28 July 2008
Strongest gust
146.5 km/h
25 July 1971
Hottest feels-like
39.7 °C
21 July 2006
Coldest feels-like
-4.3 °C
3 March 1986
Snowiest day
2.0 cm
24 January 2016
Sunniest day
13.5 h
14 June 1940
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?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 18.1 °C | -0.4 °C | 56 mm | +20 mm |
| Feb | 19.2 °C | -0.3 °C | 94 mm | +43 mm |
| Mar | 22.5 °C | +0.7 °C | 74 mm | +2 mm |
| Apr | 24.8 °C | +0.5 °C | 90 mm | -28 mm |
| May | 27.2 °C | +1.1 °C | 176 mm | -45 mm |
| Jun | 28.4 °C | +1.1 °C | 462 mm | +117 mm |
| Jul | 27.8 °C | -0.1 °C | 684 mm | +263 mm |
| Aug | 28.7 °C | +1.3 °C | 304 mm | -162 mm |
| Sep | 28.3 °C | +1.4 °C | 270 mm | -94 mm |
| Oct | 27.2 °C | +1.9 °C | 143 mm | -27 mm |
| Nov | 24.1 °C | +1.1 °C | 74 mm | +8 mm |
| Dec | 21.4 °C | +1.5 °C | 30 mm | -9 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Zhushan?
Zhushan has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 20.0 °C and it receives 2,370 mm of precipitation per year.
What is the hottest day ever recorded in Zhushan?
The hottest day measured in Zhushan between 1940 and 2025 was 15 May 2021, reaching 32.3 °C.
What is the coldest day in Zhushan?
The coldest day measured in Zhushan between 1940 and 2025 was 1 February 1970, at -1.0 °C.
Does it snow in Zhushan?
Almost never: Zhushan sees virtually no snow, with about 0 frost days per year.
Has the climate of Zhushan warmed?
Yes: Zhushan warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zhushan?
The wettest day measured in Zhushan between 1940 and 2025 was 11 September 1963, with 511 mm of rain in 24 hours.
What was the windiest day in Zhushan?
The windiest day measured in Zhushan between 1940 and 2025 was 28 July 2008, with winds reaching 34.2 km/h.
What is the warmest month in Zhushan?
The warmest month in Zhushan is July (24.3 °C on average); the coldest is January (13.9 °C).
How much does it rain in Zhushan?
Zhushan receives on average 2,370 mm of precipitation per year, spread over about 214 rainy days.
Is it sunny in Zhushan?
Zhushan gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Zhushan?
The heaviest 24-hour snowfall measured in Zhushan between 1940 and 2025 was 24 January 2016, with 2.0 cm.
Are there tropical nights in Zhushan?
Yes: Zhushan has on average 93 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Zhushan?
In Zhushan, between 1940 and 2025, the highest apparent temperature reached 39.7 °C on 21 July 2006, and the lowest was -4.3 °C on 3 March 1986.
Compare Zhushan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zhushan