Yilan weather in March

In March, Yilan sees average daytime highs of 19°C and overnight lows near 15°C, with 152 mm of rain across 19.9 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 9% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Yilan's 6th-clearest and 7th-windiest month. For the whole year in context, see Yilan's year-round climate.

Daytime high
19°
9th warmest
Overnight low
15°
4th coldest
Rainfall
152 mm
19.9 wet days
Daylight
11 h 48 min
6:08 AM – 5:57 PM
Cloud cover
78%
6th clearest
Wind
8 km/h
7th windiest
Solar energy
3.64 kWh/m²
Travel score
4.6
out of 10

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

Density
3,203/km²
people per km²
Founded
1945

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 20°C by the end.

A typical March day in Yilan reaches about 19°C in the afternoon and slips back to 15°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, March runs about 2°C warmer than February and about 3°C cooler than April.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11814
21814
31814
41814
51814
61814
71814
81914
91914
101914
111914
121914
131915
141915
151915
161915
171915
181915
192015
202015
212015
222015
232015
242015
252016
262016
272016
282016
292016
302016
312116

How March really feels in Yilan

Once humidity and wind are folded in, March 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

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

Yilan weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 13°1902210.63.6
Feb17° / 13°16419.711.13.9
Mar19° / 15°15219.911.84.6
Apr22° / 18°18520.812.64.8
May25° / 21°29725.213.24.3
Jun28° / 24°31925.313.53.6
Jul30° / 25°27122.313.43.7
Aug29° / 25°32922.912.93.7
Sep27° / 24°33620.512.24.6
Oct24° / 21°39421.611.44.9
Nov21° / 18°3362110.84.6
Dec18° / 14°24421.710.54.1

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22476
32476
42476
52476
62476
72476
82575
92575
102476
112476
122476
132476
142377
152278
162179
172179
182179
192278
202278
212179
222179
232179
242278
252377
262377
272377
282377
292377
302377
312377

Chance of precipitation in March

Any precipitation

Yilan gets around 152 mm of rain over 19.9 wet days in March, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 65% and peaks near 66% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
166
265
365
465
565
665
765
865
965
1065
1165
1265
1365
1466
1566
1666
1766
1865
1965
2065
2165
2264
2364
2464
2564
2664
2764
2864
2964
3064
3165

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14431232
24431232
34431232
44331232
54331242
64232243
74132243
84032253
93933253
103833264
113633274
123533284
133333295
143233305
153133316
162932326
172932337
182831348
192730348
202729359
2126293610
2226283610
2325273611
2425273612
2525263612
2625263613
2725263614
2824263514
2924263515
3023253516
3123253417

Wind in March

Winds average 8 km/h in March.

Across March, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 30 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over March. Sunrise moves from 6:23 AM to 5:52 AM, and sunset from 5:50 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:235:50
211.56:225:50
311.56:215:51
411.56:205:51
511.66:195:52
611.66:185:53
711.66:175:53
811.66:165:54
911.66:155:54
1011.76:145:54
1111.76:135:55
1211.76:125:55
1311.76:115:56
1411.86:105:56
1511.86:095:57
1611.86:085:57
1711.86:075:58
1811.96:065:58
1911.96:055:59
2011.96:045:59
2111.96:035:59
2212.06:026:00
2312.06:016:00
2412.06:006:01
2512.05:596:01
2612.15:586:02
2712.15:566:02
2812.15:556:02
2912.15:546:03
3012.25:536:03
3112.25:526:04

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 3.64 kWh/m².

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 5.81 kWh/m² in July across the year — March's 3.64 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.2Moderate
33.2Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
284.0Moderate
294.0Moderate
304.0Bright
314.0Bright
Planning a trip in March

Hazard calendar for Yilan

In seasonPeak

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

Yilan 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 March a good time to visit Yilan?

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

4.6
Sightseeing
3rd-best month of the year
2.1
Beach & pool
9th-best month of the year

March is a reasonable time to visit Yilan for sightseeing.

What to pack for Yilan in March

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

In March, Yilan sees daytime highs around 19°C and nights near 15°C. Pack rain gear. About 20 days see rain.

rain gear

Sea temperature near Yilan in March

The nearest coast averages about 23°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in August at about 28°C and coldest in January near 22°C.

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

20°22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar23Refreshing
Apr24Warm
May26Warm
Jun27Warm
Jul28Tropical
Aug28Tropical
Sep28Warm
Oct26Warm
Nov25Warm
Dec23Refreshing

UV index in Yilan in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yilan peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highHighJul 14UV 11Dec 21UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar9Very high
Apr7High
May10Extreme
Jun11Extreme
Jul12Extreme
Aug10Very high
Sep11Extreme
Oct8Very high
Nov7High
Dec5Moderate

Air quality in Yilan in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Yilan is worst in April — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (October, 25 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateApr 1052 µg/m³Oct 1626 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb43Poor
Mar51Poor
Apr52Poor
May44Poor
Jun41Poor
Jul32Moderate
Aug32Moderate
Sep30Moderate
Oct25Moderate
Nov32Moderate
Dec32Moderate
Location & terrain

Where is Yilan?

Yilan sits at 24.8°N, 121.8°E, 15 m above sea level, in Taiwan. The nearest listed city is Xizhi, 36 km away.

XizhiNeihuTaipeiJiufenBanqiaoKeelungShulinSanxia

Topography around Yilan

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

Within 3 km, the terrain around Yilan has only modest variations in elevation — a maximum elevation change of 33 m around an average of 9 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,413 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,839 m.

The land around Yilan is covered by cropland (40%), artificial surfaces (35%) and trees (21%) within 3 km, trees (50%) and water (23%) within 16 km, and trees (47%) and water (46%) within 80 km.

3 km
33 m
16 km
1,413 m
80 km
3,839 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Xizhi 36 km · Neihu 40 km · Taipei 40 km · Jiufen 40 km · Banqiao 41 km · Keelung 42 km · Shulin 42 km · Sanxia 43 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 Yilan (24.757°, 121.753°, elevation 15 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).