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
19402025 · 86 yrs
CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthNovember

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

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202533.6 °C15 June 20258.9 °C28 January 202523.3 °C1,869 mm1160
202434.0 °C2 July 20247.6 °C23 January 202423.7 °C1,848 mm1050
202333.5 °C7 July 20237.8 °C28 January 202323.3 °C1,727 mm930
202233.0 °C27 August 20228.9 °C18 December 202222.9 °C1,689 mm810
202133.7 °C16 May 20217.2 °C8 January 202123.4 °C1,368 mm1230
202033.7 °C10 July 20207.8 °C31 December 202023.7 °C1,066 mm1150
201935.4 °C17 July 201912.3 °C23 January 201923.5 °C1,738 mm910
201832.5 °C27 May 20187.4 °C5 February 201823.2 °C1,439 mm990
201732.6 °C7 August 20179.5 °C10 February 201723.2 °C1,645 mm1070
201633.8 °C28 July 20164.1 °C24 January 201623.2 °C2,339 mm890
201533.2 °C18 June 201510.3 °C9 February 201523.3 °C1,505 mm840
201434.5 °C9 July 20148.3 °C11 February 201423.0 °C1,395 mm960
201333.0 °C1 July 20139.9 °C27 December 201323.0 °C2,029 mm790
201232.1 °C8 August 20128.7 °C30 December 201222.8 °C2,727 mm710
201132.7 °C15 June 20118.2 °C16 January 201122.5 °C1,636 mm700
201033.5 °C3 July 20109.1 °C27 December 201022.9 °C1,674 mm840
200933.8 °C2 August 20098.4 °C11 January 200923.0 °C1,581 mm870
200833.5 °C25 June 20089.2 °C9 February 200823.0 °C2,069 mm920
200733.6 °C18 July 20078.6 °C29 January 200723.2 °C2,360 mm810
200632.6 °C6 July 20068.8 °C6 January 200623.3 °C2,306 mm670
200532.2 °C12 August 20057.0 °C6 March 200522.7 °C2,094 mm870
200435.5 °C1 July 20047.1 °C25 January 200422.7 °C2,258 mm740
200333.1 °C15 July 200310.6 °C19 December 200322.9 °C1,322 mm750
200232.5 °C24 June 200211.2 °C3 January 200223.1 °C1,406 mm520
200131.8 °C16 August 200110.4 °C22 December 200122.7 °C2,167 mm600
200032.4 °C6 July 20009.0 °C26 January 200022.6 °C1,944 mm490
199934.3 °C6 June 19996.3 °C22 December 199922.7 °C1,448 mm510
199832.5 °C24 July 19989.2 °C5 February 199823.2 °C2,452 mm700
199731.6 °C12 May 199710.0 °C24 January 199722.5 °C1,831 mm420
199632.9 °C26 July 19969.3 °C3 February 199622.2 °C1,694 mm640
199532.6 °C22 July 19958.3 °C6 February 199522.0 °C1,551 mm690
199431.8 °C24 June 19949.2 °C21 January 199422.9 °C2,095 mm690
199332.2 °C27 June 19938.1 °C16 January 199322.5 °C1,471 mm740
199231.1 °C23 June 19928.4 °C14 January 199221.9 °C2,182 mm350
199132.8 °C24 May 19916.2 °C28 December 199122.6 °C1,459 mm870
199032.8 °C27 August 19909.2 °C1 February 199022.5 °C2,185 mm550
198931.7 °C13 July 19898.8 °C28 January 198922.1 °C1,843 mm590
198832.0 °C23 June 198810.4 °C7 March 198822.2 °C1,886 mm720
198731.9 °C3 July 19877.1 °C27 February 198722.4 °C1,559 mm550
198631.9 °C16 August 19865.8 °C1 March 198621.9 °C2,116 mm520
198531.2 °C25 June 19857.7 °C16 December 198521.8 °C2,068 mm180
198432.2 °C28 August 19847.6 °C7 February 198421.7 °C1,750 mm370
198333.1 °C5 July 19839.2 °C22 January 198322.2 °C2,063 mm780
198231.7 °C21 June 19829.3 °C17 January 198222.1 °C1,763 mm440
198131.6 °C20 August 19818.1 °C12 January 198122.1 °C2,527 mm480
198033.2 °C6 July 19806.9 °C31 January 198022.3 °C1,106 mm790
197932.6 °C4 July 19797.4 °C1 February 197922.1 °C1,886 mm590
197833.2 °C25 August 19786.2 °C18 February 197822.1 °C2,374 mm650
197732.2 °C4 May 19776.7 °C18 February 197722.4 °C1,740 mm670
197631.4 °C18 July 19768.2 °C9 December 197621.7 °C1,853 mm520
197532.1 °C18 August 19758.5 °C29 December 197522.2 °C1,995 mm650
197431.0 °C24 July 19745.7 °C25 February 197422.0 °C2,003 mm390
197331.2 °C16 May 19736.3 °C24 December 197322.4 °C2,055 mm570
197231.4 °C21 July 19726.9 °C2 March 197221.7 °C2,664 mm250
197132.7 °C20 July 19717.6 °C5 January 197121.7 °C1,294 mm560
197032.5 °C1 August 19706.5 °C1 February 197021.8 °C1,835 mm650
196932.5 °C26 July 19696.4 °C5 February 196921.6 °C2,145 mm540
196833.7 °C6 September 19688.0 °C16 January 196821.5 °C1,965 mm410
196732.0 °C28 August 19674.1 °C16 January 196721.5 °C1,590 mm550
196630.1 °C3 August 19669.7 °C23 February 196621.9 °C2,039 mm20
196530.0 °C27 July 19658.2 °C9 January 196521.4 °C1,281 mm10
196431.6 °C5 July 19649.4 °C24 January 196421.9 °C1,435 mm230
196332.7 °C5 September 19636.0 °C27 January 196321.5 °C1,671 mm80
196231.4 °C30 August 19627.8 °C21 January 196221.5 °C1,394 mm350
196131.9 °C13 June 19617.8 °C2 February 196122.0 °C1,616 mm230
196031.1 °C23 July 19607.7 °C30 December 196022.1 °C2,202 mm340
195932.0 °C1 July 19596.3 °C18 January 195922.3 °C1,780 mm580
195831.3 °C8 July 19585.3 °C13 February 195822.0 °C1,618 mm520
195731.3 °C28 July 19576.5 °C10 February 195721.8 °C1,524 mm510
195631.8 °C7 July 19566.5 °C9 January 195622.0 °C2,062 mm720
195531.5 °C13 July 19556.2 °C20 February 195521.5 °C1,540 mm310
195432.7 °C16 August 19549.8 °C6 February 195422.4 °C792 mm800
195333.5 °C12 August 19539.4 °C6 January 195322.2 °C1,471 mm530
195231.4 °C8 July 19527.2 °C18 February 195222.3 °C1,517 mm350
195132.9 °C31 July 19519.3 °C15 December 195121.7 °C1,584 mm160
195032.0 °C19 July 19508.0 °C10 December 195021.6 °C1,758 mm160
194932.0 °C8 July 19497.0 °C9 January 194922.1 °C967 mm380
194830.7 °C20 August 19485.8 °C17 January 194821.7 °C1,158 mm140
194730.5 °C12 August 19478.9 °C21 February 194721.1 °C1,861 mm50
194630.7 °C7 July 19468.4 °C2 February 194621.7 °C902 mm110
194530.5 °C1 October 19458.7 °C18 December 194520.9 °C1,481 mm30
194429.7 °C7 April 19449.3 °C8 January 194421.3 °C1,290 mm00
194330.4 °C4 June 19436.6 °C12 January 194321.0 °C670 mm50
194230.3 °C11 August 19428.5 °C13 February 194221.3 °C1,678 mm10
194129.2 °C11 July 19418.9 °C2 February 194121.3 °C1,902 mm00
194029.7 °C13 July 19406.6 °C24 January 194020.7 °C1,394 mm00

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

Average daily high
25.9 °C
+1.1 °C
Hot days (≥ 30 °C)
116 d/yr
+61
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1869 mm
+122 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan18.5 °C+0.3 °C31 mm-29 mm
Feb18.5 °C-0.1 °C102 mm+8 mm
Mar22.2 °C+1.0 °C156 mm+40 mm
Apr25.9 °C+1.3 °C115 mm-15 mm
May28.6 °C+1.2 °C295 mm+91 mm
Jun30.6 °C+1.5 °C180 mm-78 mm
Jul30.2 °C+0.1 °C585 mm+360 mm
Aug30.8 °C+1.2 °C131 mm-175 mm
Sep30.5 °C+1.8 °C86 mm-113 mm
Oct28.5 °C+2.1 °C128 mm+63 mm
Nov24.3 °C+0.6 °C37 mm-6 mm
Dec21.8 °C+1.7 °C23 mm-23 mm

The year's extremes

Hottest day
33.6 °C
15 Jun 2025
Coldest day
8.9 °C
28 Jan 2025
Wettest day
130.5 mm
20 Jul 2025
Windiest day
43.8 km/h
22 Oct 2025
Strongest gust
88.9 km/h
22 Oct 2025
Hottest feels-like
39.8 °C
19 Jul 2025
Coldest feels-like
3.0 °C
28 Jan 2025
Sunniest day
13.4 h
15 Jun 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 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

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