Miaoli climate — normals and trends
Miaoli (Taiwan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 22.2 °C and it receives 1,747 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 (15.5 °C). Rainfall peaks in August.
Miaoli averages 0 frost days, 55 hot days (≥ 30 °C) and 153 rainy days per year.
Miaoli has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.5 °C (on 1 July 2004) and the coldest 4.1 °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
MiaoliTaiwan
- coords
- 24.56°, 120.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.2°C
Average daily high
24.8°C
Average daily low
20.1°C
Annual rainfall
1,747mm
Sunshine / day
9.8h
Mean relative humidity
80%
Average peak wind
19.7km/h
Seasonal range
12.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
55 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
0.0 cm
Average feels-like high
27.0 °C
Average feels-like low
20.9 °C
Average peak gust
40.5 km/h
Tropical nights (≥ 20 °C)
202 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.77 · 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
35.5 °C
1 July 2004
Coldest day
4.1 °C
16 January 1967
Wettest day
422 mm
11 September 1963
Windiest day
79.8 km/h
27 September 1969
Strongest gust
177.5 km/h
27 September 1969
Hottest feels-like
42.3 °C
2 August 2009
Coldest feels-like
-3.7 °C
16 January 1967
Snowiest day
1.5 cm
24 January 2016
Sunniest day
13.5 h
13 June 2004
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 18.5 °C | +0.3 °C | 31 mm | -29 mm |
| Feb | 18.5 °C | -0.1 °C | 102 mm | +8 mm |
| Mar | 22.2 °C | +1.0 °C | 156 mm | +40 mm |
| Apr | 25.9 °C | +1.3 °C | 115 mm | -15 mm |
| May | 28.6 °C | +1.2 °C | 295 mm | +91 mm |
| Jun | 30.6 °C | +1.5 °C | 180 mm | -78 mm |
| Jul | 30.2 °C | +0.1 °C | 585 mm | +360 mm |
| Aug | 30.8 °C | +1.2 °C | 131 mm | -175 mm |
| Sep | 30.5 °C | +1.8 °C | 86 mm | -113 mm |
| Oct | 28.5 °C | +2.1 °C | 128 mm | +63 mm |
| Nov | 24.3 °C | +0.6 °C | 37 mm | -6 mm |
| Dec | 21.8 °C | +1.7 °C | 23 mm | -23 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 Miaoli?
Miaoli has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 22.2 °C and it receives 1,747 mm of precipitation per year.
What is the hottest day ever recorded in Miaoli?
The hottest day measured in Miaoli between 1940 and 2025 was 1 July 2004, reaching 35.5 °C.
What is the coldest day in Miaoli?
The coldest day measured in Miaoli between 1940 and 2025 was 16 January 1967, at 4.1 °C.
Does it snow in Miaoli?
Almost never: Miaoli sees virtually no snow, with about 0 frost days per year.
Has the climate of Miaoli warmed?
Yes: Miaoli warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Miaoli?
The wettest day measured in Miaoli between 1940 and 2025 was 11 September 1963, with 422 mm of rain in 24 hours.
What was the windiest day in Miaoli?
The windiest day measured in Miaoli between 1940 and 2025 was 27 September 1969, with winds reaching 79.8 km/h.
What is the warmest month in Miaoli?
The warmest month in Miaoli is July (27.7 °C on average); the coldest is January (15.5 °C).
How much does it rain in Miaoli?
Miaoli receives on average 1,747 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Miaoli?
Miaoli 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 Miaoli?
The heaviest 24-hour snowfall measured in Miaoli between 1940 and 2025 was 24 January 2016, with 1.5 cm.
Are there tropical nights in Miaoli?
Yes: Miaoli has on average 202 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Miaoli?
In Miaoli, between 1940 and 2025, the highest apparent temperature reached 42.3 °C on 2 August 2009, and the lowest was -3.7 °C on 16 January 1967.
Compare Miaoli with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Miaoli