Sanzhi District climate — normals and trends
Sanzhi District (Taiwan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 22.1 °C and it receives 1,444 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 (28.3 °C on average) and the coldest is January (15.2 °C). Rainfall peaks in August.
Sanzhi District averages 0 frost days, 62 hot days (≥ 30 °C) and 162 rainy days per year.
Sanzhi District has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.8 °C (on 24 July 2020) and the coldest 4.2 °C (on 24 January 2016).
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
Sanzhi DistrictTaipei
- coords
- 25.26°, 121.50°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.1°C
Average daily high
24.1°C
Average daily low
20.3°C
Annual rainfall
1,444mm
Sunshine / day
8.0h
Mean relative humidity
80%
Average peak wind
21.7km/h
Seasonal range
13.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
62 d/yr
Rainy days (≥ 1 mm)
162 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.1 °C
Average feels-like low
20.8 °C
Average peak gust
42.4 km/h
Tropical nights (≥ 20 °C)
202 d/yr
Solar radiation
14.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.72 · 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
35.8 °C
24 July 2020
Coldest day
4.2 °C
24 January 2016
Wettest day
234 mm
10 July 2002
Windiest day
92.6 km/h
8 August 2015
Strongest gust
205.9 km/h
8 August 2015
Hottest feels-like
42.9 °C
3 August 2024
Coldest feels-like
-2.3 °C
16 January 1967
Snowiest day
0.3 cm
24 January 2016
Sunniest day
13.6 h
27 June 1941
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 | 17.3 °C | +0.3 °C | 34 mm | -41 mm |
| Feb | 17.7 °C | +0.2 °C | 106 mm | +10 mm |
| Mar | 20.5 °C | +0.7 °C | 162 mm | +59 mm |
| Apr | 24.5 °C | +1.2 °C | 122 mm | +18 mm |
| May | 27.4 °C | +1.0 °C | 234 mm | +78 mm |
| Jun | 30.7 °C | +1.8 °C | 76 mm | -88 mm |
| Jul | 30.6 °C | 0.0 °C | 313 mm | +202 mm |
| Aug | 31.4 °C | +1.2 °C | 46 mm | -125 mm |
| Sep | 31.8 °C | +3.2 °C | 35 mm | -127 mm |
| Oct | 29.1 °C | +3.9 °C | 326 mm | +199 mm |
| Nov | 23.3 °C | +1.0 °C | 176 mm | +76 mm |
| Dec | 20.6 °C | +1.7 °C | 75 mm | -3 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 Sanzhi District?
Sanzhi District has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 22.1 °C and it receives 1,444 mm of precipitation per year.
What is the hottest day ever recorded in Sanzhi District?
The hottest day measured in Sanzhi District between 1940 and 2025 was 24 July 2020, reaching 35.8 °C.
What is the coldest day in Sanzhi District?
The coldest day measured in Sanzhi District between 1940 and 2025 was 24 January 2016, at 4.2 °C.
Does it snow in Sanzhi District?
Almost never: Sanzhi District sees virtually no snow, with about 0 frost days per year.
Has the climate of Sanzhi District warmed?
Yes: Sanzhi District warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sanzhi District?
The wettest day measured in Sanzhi District between 1940 and 2025 was 10 July 2002, with 234 mm of rain in 24 hours.
What was the windiest day in Sanzhi District?
The windiest day measured in Sanzhi District between 1940 and 2025 was 8 August 2015, with winds reaching 92.6 km/h.
What is the warmest month in Sanzhi District?
The warmest month in Sanzhi District is July (28.3 °C on average); the coldest is January (15.2 °C).
How much does it rain in Sanzhi District?
Sanzhi District receives on average 1,444 mm of precipitation per year, spread over about 162 rainy days.
Is it sunny in Sanzhi District?
Sanzhi District gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sanzhi District?
The heaviest 24-hour snowfall measured in Sanzhi District between 1940 and 2025 was 24 January 2016, with 0.3 cm.
Are there tropical nights in Sanzhi District?
Yes: Sanzhi District has on average 202 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sanzhi District?
In Sanzhi District, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 3 August 2024, and the lowest was -2.3 °C on 16 January 1967.
Compare Sanzhi District with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sanzhi District