Miaoli in Summer
In summer (June, July and August), Miaoli sees average daytime highs around 30°C and overnight lows near 26°C, with 816 mm of rain over about 59 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 11% of the time across summer, and the air most often feels miserable.
Summer is Miaoli's weakest season of the year to visit on our travel score. For the whole year in context, see Miaoli's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 26°C
- Rainfall
- 816 mm
- 59 wet days
- Avg wind
- 11 km/h
- Travel score
- 3.7
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Miaoli in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Miaoli reaches about 30°C and drops to 26°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Miaoli
Once humidity and wind are folded in, summer brings about 89 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Miaoli weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 19° / 14° | 69 | 8.9 | 10.6 | 6.5 |
| Feb | 19° / 15° | 98 | 10.4 | 11.1 | 6.2 |
| Mar | 22° / 17° | 133 | 12.5 | 11.8 | 6.3 |
| Apr | 25° / 20° | 148 | 13.5 | 12.6 | 6.2 |
| May | 28° / 23° | 211 | 16.3 | 13.2 | 5.2 |
| Jun | 30° / 25° | 250 | 18.7 | 13.5 | 3.8 |
| Jul | 31° / 26° | 237 | 18.4 | 13.4 | 3.6 |
| Aug | 30° / 26° | 329 | 21.9 | 12.9 | 3.6 |
| Sep | 29° / 25° | 182 | 13.9 | 12.2 | 5.0 |
| Oct | 27° / 22° | 70 | 5.1 | 11.4 | 7.6 |
| Nov | 24° / 20° | 49 | 5.3 | 10.8 | 8.0 |
| Dec | 21° / 16° | 54 | 6.8 | 10.5 | 7.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 11% of the time across summer.
Chance of precipitation in Summer
Miaoli gets around 816 mm of rain over 59 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 24 min in early June to 12 h 30 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.4 kWh/m².
Hazard calendar for Miaoli
In summer, Miaoli overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Miaoli sits in the Pacific typhoon belt; the season peaks July–October.
Miaoli's rainy season runs May–September, when most of the year's rain falls.
Is summer a good time to visit Miaoli?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Miaoli.
What to pack for Miaoli in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Miaoli sees daytime highs around 30°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 59 days see rain.
Sea temperature near Miaoli in Summer
The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 km away) is warmest in August at about 28°C and coldest in February near 18°C.
It's comfortable for a long swim from Mar 8 to Dec 26 — about 9.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 18 | 21 | 23 | 26 | 27 | 28 | 28 | 28 | 26 | 24 | 21 |
| Comfort | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Warm | Warm | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 18 | Cool |
| Mar | 21 | Refreshing |
| Apr | 23 | Refreshing |
| May | 26 | Warm |
| Jun | 27 | Warm |
| Jul | 28 | Tropical |
| Aug | 28 | Tropical |
| Sep | 28 | Warm |
| Oct | 26 | Warm |
| Nov | 24 | Refreshing |
| Dec | 21 | Refreshing |
UV index in Miaoli in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Miaoli peaks around June 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 8 | 10 | 9 | 11 | 13 | 10 | 12 | 9 | 7 | 7 | 6 |
| Level | High | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 10 | Very high |
| Apr | 9 | Very high |
| May | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 10 | Extreme |
| Aug | 12 | Extreme |
| Sep | 9 | Very high |
| Oct | 7 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Miaoli in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Miaoli is worst in March — around 45 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (October, 26 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 33 | 40 | 45 | 44 | 37 | 30 | 27 | 28 | 29 | 26 | 29 | 29 |
| Level | Moderate | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 33 | Moderate |
| Feb | 40 | Poor |
| Mar | 45 | Poor |
| Apr | 44 | Poor |
| May | 37 | Poor |
| Jun | 30 | Moderate |
| Jul | 27 | Moderate |
| Aug | 28 | Moderate |
| Sep | 29 | Moderate |
| Oct | 26 | Moderate |
| Nov | 29 | Moderate |
| Dec | 29 | Moderate |
Where is Miaoli?
Miaoli sits at 24.6°N, 120.8°E, 53 m above sea level, in Taiwan. The nearest listed city is Toufen, 16 km away.
Topography around Miaoli
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Miaoli.
Within 3 km, the terrain around Miaoli has only modest variations in elevation — a maximum elevation change of 185 m around an average of 66 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,234 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,838 m.
The land around Miaoli is covered by trees (49%) and artificial surfaces (34%) within 3 km, trees (64%) within 16 km, and trees (54%) and water (32%) within 80 km.
Taiwan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 110 / 220 V · 60 Hz
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Miaoli (24.5643°, 120.8237°, elevation 53 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.