Xiulin weather in May

In May, Xiulin sees average daytime highs of 25°C and overnight lows near 24°C, with 242 mm of rain across 21.6 wet days and about 13.2 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 10% 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 Xiulin's 8th-clearest and 10th-windiest month. For the whole year in context, see Xiulin's year-round climate.

Daytime high
25°
5th warmest
Overnight low
24°
8th coldest
Rainfall
242 mm
21.6 wet days
Daylight
13 h 12 min
5:15 AM – 6:25 PM
Cloud cover
76%
8th clearest
Wind
13 km/h
10th windiest
Solar energy
4.62 kWh/m²
Travel score
4.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 26°C by the end.

A typical May day in Xiulin reaches about 25°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, May runs about 2°C warmer than April and about 2°C cooler than June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12422
22423
32423
42523
52523
62523
72523
82523
92523
102523
112523
122523
132523
142523
152524
162524
172524
182524
192624
202624
212624
222624
232624
242624
252624
262624
272624
282624
292624
302624
312625

How May really feels in Xiulin

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.

Xiulin weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 17°29626.710.73.7
Feb19° / 17°24723.411.23.9
Mar21° / 19°17321.911.84.6
Apr23° / 21°1571912.55.2
May25° / 24°24221.613.24.9
Jun27° / 26°20816.513.55.1
Jul28° / 26°21414.213.35.4
Aug28° / 26°24717.812.85.1
Sep27° / 25°35620.712.14.9
Oct25° / 23°31219.211.45.4
Nov23° / 21°30020.910.85.0
Dec20° / 18°29324.910.54.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 76%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12773
22674
32773
42872
52872
62872
72872
82971
92971
102971
112872
122872
132773
142674
152674
162674
172575
182476
192377
202377
212179
222080
232080
241882
251981
261981
271981
281981
291882
301882
311981

Chance of precipitation in May

Any precipitation

Xiulin gets around 242 mm of rain over 21.6 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 69% and peaks near 72% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
166
266
366
466
566
666
766
866
966
1066
1167
1267
1368
1468
1569
1669
1770
1870
1971
2071
2172
2272
2372
2472
2572
2672
2771
2871
2970
3070
3170

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1361335430
2261334441
3251333451
4251333461
5241332481
6241332491
7131331511
8131330521
9121230532
10121229542
11121129552
12121128553
13121028563
14121028563
1501928584
1601928584
1701827595
1802727595
1902726596
2002626606
2102625607
2202524618
2302523619
2402523619
25025226110
26025216111
27025206112
28024196213
29024186214
30024186016
31024176017

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

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 5:24 AM to 5:10 AM, and sunset from 6:17 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:246:17
212.95:236:18
312.95:236:18
412.95:226:19
513.05:216:19
613.05:216:20
713.05:206:20
813.05:196:21
913.05:196:21
1013.15:186:22
1113.15:176:22
1213.15:176:23
1313.15:166:23
1413.15:166:24
1513.15:156:24
1613.25:156:25
1713.25:146:25
1813.25:146:26
1913.25:136:26
2013.25:136:27
2113.25:136:27
2213.35:126:28
2313.35:126:28
2413.35:126:29
2513.35:116:29
2613.35:116:30
2713.35:116:30
2813.35:106:31
2913.35:106:31
3013.45:106:31
3113.45:106:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.62 kWh/m².

For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 6.01 kWh/m² in July across the year — May's 4.62 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.7Bright
314.7Bright
Planning a trip in May

Hazard calendar for Xiulin

In seasonPeak

In May, Xiulin sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Xiulin sits in the Pacific typhoon belt; the season peaks July–October.

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

Is May a good time to visit Xiulin?

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

4.9
Sightseeing
7th-best month of the year
4.5
Beach & pool
6th-best month of the year

May is a reasonable time to visit Xiulin for sightseeing.

What to pack for Xiulin in May

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

In May, Xiulin sees daytime highs around 25°C and nights near 24°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.

rain gearlight clothessun protection

Sea temperature near Xiulin in May

The nearest coast averages about 27°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 29°C and coldest in January near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Refreshing
Mar24Warm
Apr26Warm
May27Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov26Warm
Dec25Warm

UV index in Xiulin in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Xiulin peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 21UV 12Dec 19UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr8Very high
May10Very high
Jun13Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct9Very high
Nov7Very high
Dec6High

Air quality in Xiulin 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 Xiulin is worst in March — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 2422 µg/m³Oct 1811 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar22Moderate
Apr22Moderate
May17Moderate
Jun15Moderate
Jul11Good
Aug12Good
Sep11Good
Oct11Good
Nov11Good
Dec13Moderate
Location & terrain

Where is Xiulin?

Xiulin sits at 24.1°N, 121.6°E, 35 m above sea level, in Taiwan. The nearest listed city is Hualien, 16 km away.

PuliYilanZhudongDaxiSanxiaWufengMiaoli

Topography around Xiulin

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Xiulin.

Within 3 km, the terrain around Xiulin has very significant variations in elevation — a maximum elevation change of 1,443 m around an average of 245 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,860 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,837 m.

The land around Xiulin is covered by trees (68%) within 3 km, trees (54%) and water (40%) within 16 km, and trees (65%) and water (31%) within 80 km.

3 km
1,443 m
16 km
2,860 m
80 km
3,837 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Hualien 16 km · Puli 69 km · Yilan 72 km · Zhudong 87 km · Daxi 91 km · Sanxia 94 km · Wufeng 94 km · Miaoli 95 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 Xiulin (24.1202°, 121.6263°, elevation 35 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).