Yuanlin weather in May

In May, Yuanlin sees average daytime highs of 29°C and overnight lows near 23°C, with 228 mm of rain across 15.6 wet days and about 13.1 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. 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 Yuanlin's 9th-clearest and 11th-windiest month. For the whole year in context, see Yuanlin's year-round climate.

Daytime high
29°
5th warmest
Overnight low
23°
8th coldest
Rainfall
228 mm
15.6 wet days
Daylight
13 h 12 min
5:19 AM – 6:29 PM
Cloud cover
67%
9th clearest
Wind
9 km/h
11th windiest
Solar energy
5.45 kWh/m²
Travel score
4.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Yuanlin reaches about 29°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 26°C and 31°C. Set against its neighbours, May runs about 3°C warmer than April and about 2°C cooler than June.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52823
62823
72823
82823
92823
102923
112923
122923
132923
142923
152923
162923
172923
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How May really feels in Yuanlin

Once humidity and wind are folded in, May averages 13 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
13
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Yuanlin 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
Jan20° / 15°527.710.77.1
Feb21° / 15°749.111.26.7
Mar23° / 17°11511.811.86.7
Apr26° / 21°15013.112.56.2
May29° / 23°22815.613.14.9
Jun30° / 25°28718.613.53.6
Jul31° / 26°23017.513.33.5
Aug31° / 26°28719.912.83.5
Sep30° / 25°14412.112.14.7
Oct28° / 23°554.811.46.8
Nov26° / 20°435.310.87.7
Dec22° / 17°506.110.57.7

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 16% of May, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24159
34258
44258
54258
64258
74258
84258
94357
104357
114258
124258
134258
144258
154159
164060
173961
183961
193862
203664
213664
223565
233466
243466
253466
263367
273367
283367
293169
303169
313070

Chance of precipitation in May

Any precipitation

Yuanlin gets around 228 mm of rain over 15.6 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 50% and peaks near 61% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
144
244
344
443
543
643
743
843
943
1043
1143
1244
1344
1445
1546
1647
1748
1850
1951
2052
2154
2255
2356
2457
2558
2659
2759
2859
2960
3060
3161

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12733580
22733580
31632610
41532611
51531621
61430641
71429651
81328662
91326682
101325683
110224713
120223723
130222724
140121744
150119755
160118756
170117766
180116767
190115759
2001147510
2101147312
2201137313
2301137115
2401136917
2501126819
2601126621
2701116622
2801116424
2901106326
300196327
310196129

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:28 AM to 5:14 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)
112.95:286:21
212.95:286:22
312.95:276:22
412.95:266:23
513.05:266:23
613.05:256:24
713.05:246:24
813.05:246:25
913.05:236:25
1013.15:226:26
1113.15:226:26
1213.15:216:27
1313.15:216:27
1413.15:206:28
1513.15:206:28
1613.25:196:29
1713.25:196:29
1813.25:186:30
1913.25:186:30
2013.25:186:31
2113.25:176:31
2213.25:176:32
2313.35:166:32
2413.35:166:33
2513.35:166:33
2613.35:156:33
2713.35:156:34
2813.35:156:34
2913.35:156:35
3013.35:156:35
3113.45:146:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.45 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.46 kWh/m² to a high of 5.45 kWh/m² in May across the year — May's 5.45 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in May

Hazard calendar for Yuanlin

In seasonPeak

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

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

Yuanlin's monsoon runs April–September, when most of the year's rain falls.

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

Is May a good time to visit Yuanlin?

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

4.9
Sightseeing
8th-best month of the year
6.0
Beach & pool
4th-best month of the year

May is a reasonable time to visit Yuanlin for sightseeing.

What to pack for Yuanlin in May

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

In May, Yuanlin sees daytime highs around 29°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 Yuanlin 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 28 km away) is warmest in August at about 29°C and coldest in January near 19°C.

It's comfortable for a long swim from Feb 21 to Jan 4 — about 10.5 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb20Cool
Mar22Refreshing
Apr24Warm
May26Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep28Warm
Oct26Warm
Nov24Warm
Dec21Refreshing

UV index in Yuanlin 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 Yuanlin peaks around June 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 18UV 12Dec 20UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar9Very high
Apr8Very high
May10Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct7Very high
Nov7High
Dec5High

Air quality in Yuanlin 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 Yuanlin is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (July, 33 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 1855 µg/m³Jul 1133 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb48Poor
Mar56Unhealthy
Apr50Poor
May41Poor
Jun34Moderate
Jul33Moderate
Aug36Poor
Sep41Poor
Oct38Poor
Nov41Poor
Dec39Poor
Location & terrain

Where is Yuanlin?

Yuanlin sits at 24.0°N, 120.6°E, 42 m above sea level, in Taiwan. The nearest listed city is Yongjing, 5.0 km away.

Topography around Yuanlin

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

Within 3 km, the terrain around Yuanlin has only modest variations in elevation — a maximum elevation change of 66 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 441 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,887 m.

The land around Yuanlin is covered by artificial surfaces (58%), trees (22%) and cropland (20%) within 3 km, trees (37%), cropland (34%) and artificial surfaces (27%) within 16 km, and trees (51%) and water (28%) within 80 km.

3 km
66 m
16 km
441 m
80 km
3,887 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Yongjing 5.0 km · Shetou 7.0 km · Tianwei 9.0 km · Xihu 10 km · Nantou 10 km · Beidou 11 km · Tianzhong 11 km · Zhongxing New Village 11 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 Yuanlin (23.9567°, 120.5761°, elevation 42 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).