Miaoli weather in May

In May, Miaoli sees average daytime highs of 28°C and overnight lows near 23°C, with 211 mm of rain across 16.3 wet days and about 13.2 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 23% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 54 min at the start of May to 13 h 24 min by month's end. Set against the rest of the year, May is Miaoli's 9th-clearest and 11th-windiest month. For the whole year in context, see Miaoli's year-round climate.

Daytime high
28°
5th warmest
Overnight low
23°
8th coldest
Rainfall
211 mm
16.3 wet days
Daylight
13 h 12 min
5:17 AM – 6:29 PM
Cloud cover
67%
9th clearest
Wind
11 km/h
11th windiest
Solar energy
5.29 kWh/m²
Travel score
5.2
out of 10

Miaoli is A county-administered city in Miaoli County, Taiwan.

Density
2,278/km²
people per km²
Founded
1981

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 29°C by the end.

A typical May day in Miaoli reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, May runs about 3°C warmer than April and about 2°C cooler than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12722
22722
32722
42722
52722
62723
72723
82723
92823
102823
112823
122823
132823
142823
152823
162823
172823
182823
192824
202824
212824
222824
232824
242824
252824
262824
272824
282924
292924
302924
312924

How May really feels in Miaoli

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Miaoli weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 14°698.910.66.5
Feb19° / 15°9810.411.16.2
Mar22° / 17°13312.511.86.3
Apr25° / 20°14813.512.66.2
May28° / 23°21116.313.25.2
Jun30° / 25°25018.713.53.8
Jul31° / 26°23718.413.43.6
Aug30° / 26°32921.912.93.6
Sep29° / 25°18213.912.25.0
Oct27° / 22°705.111.47.6
Nov24° / 20°495.310.88.0
Dec21° / 16°546.810.57.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54060
64060
74159
84159
94159
104159
114159
124159
134060
144060
154060
163961
173862
183862
193862
203763
213664
223565
233565
243367
253466
263466
273367
283169
293169
303169
313070

Chance of precipitation in May

Any precipitation

Miaoli gets around 211 mm of rain over 16.3 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 52% and peaks near 60% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
247
348
448
547
647
747
847
946
1046
1146
1247
1347
1447
1548
1649
1750
1851
1952
2053
2155
2256
2357
2458
2558
2659
2759
2859
2959
3060
3160

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the oppressive band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1131548330
2131447340
3131446360
4121345380
5121244410
6021143430
7021142450
8021041470
901940491
1001939501
1101838521
1201737541
1301736551
1401635571
1501634581
1601533601
1701532602
1800430642
1900429652
2000428653
2100427663
2201326673
2301325674
2401324684
2501322704
2601321705
2701320715
2801319716
2901319707
3001218727
3101218718

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 54 min at the start of May to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 5:27 AM to 5:12 AM, and sunset from 6:21 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:276:21
212.95:266:22
312.95:256:22
413.05:256:23
513.05:246:23
613.05:236:24
713.05:226:24
813.05:226:25
913.15:216:25
1013.15:216:26
1113.15:206:26
1213.15:196:27
1313.15:196:27
1413.25:186:28
1513.25:186:28
1613.25:176:29
1713.25:176:29
1813.25:166:30
1913.25:166:30
2013.35:156:31
2113.35:156:31
2213.35:156:32
2313.35:146:32
2413.35:146:33
2513.35:146:33
2613.35:136:34
2713.45:136:34
2813.45:136:35
2913.45:136:35
3013.45:126:36
3113.45:126:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.29 kWh/m².

For context, solar energy here swings from a low near 3.05 kWh/m² to a high of 5.8 kWh/m² in July across the year — May's 5.29 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Hazard calendar for Miaoli

In seasonPeak

In May, Miaoli sits inside 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.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Miaoli?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.2
Sightseeing
8th-best month of the year
5.8
Beach & pool
4th-best month of the year

May is a reasonable time to visit Miaoli for sightseeing.

What to pack for Miaoli in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Miaoli sees daytime highs around 28°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Miaoli in May

The nearest coast averages about 26°C in May — 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.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar21Refreshing
Apr23Refreshing
May26Warm
Jun27Warm
Jul28Tropical
Aug28Tropical
Sep28Warm
Oct26Warm
Nov24Refreshing
Dec21Refreshing

UV index in Miaoli in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 16UV 12Dec 21UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr9Very high
May11Extreme
Jun13Extreme
Jul10Extreme
Aug12Extreme
Sep9Very high
Oct7Very high
Nov7High
Dec6High

Air quality in Miaoli in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 2145 µg/m³Oct 1727 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb40Poor
Mar45Poor
Apr44Poor
May37Poor
Jun30Moderate
Jul27Moderate
Aug28Moderate
Sep29Moderate
Oct26Moderate
Nov29Moderate
Dec29Moderate
Location & terrain

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.

HsinchuZhudongXizhouZhubeiBuziTaichungWufeng

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.

3 km
185 m
16 km
1,234 m
80 km
3,838 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Toufen 16 km · Hsinchu 30 km · Zhudong 33 km · Xizhou 35 km · Zhubei 36 km · Buzi 47 km · Taichung 49 km · Wufeng 57 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
Buddhist 35%Taoist 33%none or unspecified 18%folk religion approximately 10%

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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).