Yuanlin weather in January

In January, Yuanlin sees average daytime highs of 20°C and overnight lows near 15°C, with 52 mm of rain across 7.7 wet days and about 10.7 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 56% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of January to 10 h 54 min by month's end. Set against the rest of the year, January is Yuanlin's 1st-clearest and 2nd-windiest month. For the whole year in context, see Yuanlin's year-round climate.

Daytime high
20°
12th warmest
Overnight low
15°
1st coldest
Rainfall
52 mm
7.7 wet days
Daylight
10 h 42 min
6:47 AM – 5:27 PM
Cloud cover
40%
1st clearest
Wind
17 km/h
2nd windiest
Solar energy
3.77 kWh/m²
Travel score
7.1
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical January day in Yuanlin reaches about 20°C in the afternoon and slips back to 15°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12115
22115
32115
42115
52115
62115
72115
82115
92115
102115
112115
122115
132115
142115
152015
162015
172015
182015
192015
202015
212015
222015
232015
242015
252015
262015
272014
282014
292014
302014
312015

How January really feels in Yuanlin

Once humidity and wind are folded in, January 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

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

Yuanlin weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 10th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37426
47426
57426
67426
77426
87426
97327
107327
117327
127228
137228
147228
157129
167030
177030
187030
197030
207030
216931
226931
236931
246931
256931
266931
276832
286832
296832
306832
316832

Chance of precipitation in January

Any precipitation

Yuanlin gets around 52 mm of rain over 7.7 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 28% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
121
221
321
421
521
622
722
823
923
1024
1124
1225
1325
1426
1526
1627
1727
1828
1928
2028
2128
2228
2328
2428
2528
2628
2728
2828
2928
3028
3128

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13337282
23337282
33437282
43437272
53437271
63538261
73538261
83538251
93638251
103638241
113738241
123739231
133839231
143839221
153939211
164039201
174039191
184140191
194240181
204240171
214340161
224440151
234441141
244541141
254541131
264641131
274641121
284641121
294741121
304741120
314641120

Wind in January

Winds average 17 km/h in January.

Across January, daily wind ranges from about 17 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 30 min at the start of January to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over January. Sunrise moves from 6:45 AM to 6:44 AM, and sunset from 5:17 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.56:455:17
210.56:455:18
310.66:455:18
410.66:455:19
510.66:465:20
610.66:465:20
710.66:465:21
810.66:465:22
910.66:465:22
1010.66:475:23
1110.66:475:24
1210.66:475:24
1310.66:475:25
1410.66:475:26
1510.76:475:26
1610.76:475:27
1710.76:475:28
1810.76:475:28
1910.76:475:29
2010.76:475:30
2110.76:475:31
2210.76:475:31
2310.86:465:32
2410.86:465:33
2510.86:465:33
2610.86:465:34
2710.86:465:35
2810.86:455:36
2910.96:455:36
3010.96:455:37
3110.96:445:38

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.77 kWh/m².

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 — January's 3.77 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
314.0Moderate
Planning a trip in January

Hazard calendar for Yuanlin

In seasonPeak

In January, Yuanlin sits inside its pacific typhoon 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 January a good time to visit Yuanlin?

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

7.1
Sightseeing
3rd-best month of the year
4.0
Beach & pool
12th-best month of the year

January is one of the better times to visit Yuanlin for general sightseeing.

What to pack for Yuanlin in January

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

In January, Yuanlin sees daytime highs around 20°C and nights near 15°C. Little to plan around — just the basics. About 8 days see rain.

Sea temperature near Yuanlin in January

The nearest coast averages about 19°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 6 — enough to warrant sun protection. 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 January

GoodModeratePoorUnhealthyVery unhealthy

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