Kaohsiung weather in January

In January, Kaohsiung sees average daytime highs of 23°C and overnight lows near 18°C, with 35 mm of rain across 5.9 wet days and about 10.8 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 44% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 10 h 36 min at the start of January to 11 hours by month's end. Set against the rest of the year, January is Kaohsiung's 1st-clearest and 1st-windiest month. For the whole year in context, see Kaohsiung's year-round climate.

Daytime high
23°
12th warmest
Overnight low
18°
1st coldest
Rainfall
35 mm
5.9 wet days
Daylight
10 h 48 min
6:45 AM – 5:31 PM
Cloud cover
47%
1st clearest
Wind
13 km/h
1st windiest
Solar energy
3.58 kWh/m²
Travel score
7.6
out of 10

Kaohsiung is city in southern Taiwan.

Density
927/km²
people per km²
Founded
2010

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical January day in Kaohsiung reaches about 23°C in the afternoon and slips back to 18°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°C. Set against its neighbours, January runs about 1°C cooler than December and about 1°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12318
22318
32318
42318
52318
62318
72318
82318
92318
102318
112318
122318
132318
142318
152318
162318
172317
182317
192317
202317
212317
222317
232317
242317
252317
262317
272317
282317
292317
302317
312317

How January really feels in Kaohsiung

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.

Kaohsiung weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 18°355.910.87.6
Feb24° / 18°26611.27.6
Mar26° / 21°367.311.87.2
Apr28° / 23°821012.56.2
May29° / 26°23217.313.14.4
Jun30° / 27°33820.513.43.5
Jul31° / 27°27519.713.23.5
Aug30° / 27°36321.212.83.5
Sep30° / 26°18916.712.14.1
Oct29° / 25°8011.611.55.6
Nov27° / 22°588.110.97.0
Dec24° / 19°405.610.67.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 35%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36634
46634
56634
66733
76733
86733
96634
106634
116634
126634
136634
146535
156535
166436
176436
186436
196436
206337
216337
226337
236337
246337
256337
266337
276337
286337
296238
306337
316337

Chance of precipitation in January

Any precipitation

Kaohsiung gets around 35 mm of rain over 5.9 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 19% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
316
416
516
617
717
817
918
1018
1118
1219
1319
1419
1520
1620
1721
1821
1921
2022
2122
2222
2322
2421
2521
2621
2721
2821
2920
3020
3119

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the comfortable band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1172941131
2173040130
3173040131
4173139131
5173138131
6173237131
7173337131
8173336131
9173435131
10173435131
11173534131
12173534131
13173634121
14173633121
15173633121
16183633121
17183733111
18183733111
19183733111
20193733101
21193833101
2219383391
2319393391
2419393390
2519393290
2619403280
2720403280
2820403180
2920403180
3020403180
3120403180

Wind in January

Winds average 13 km/h in January, the windiest month of the year.

Across January, 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
112light breeze
212light breeze
312light breeze
412light breeze
512light 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
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3113light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 36 min at the start of January to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over January. Sunrise moves from 6:43 AM to 6:43 AM, and sunset from 5:21 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:435:21
210.66:435:22
310.66:435:22
410.76:445:23
510.76:445:23
610.76:445:24
710.76:445:25
810.76:455:25
910.76:455:26
1010.76:455:27
1110.76:455:27
1210.76:455:28
1310.76:455:29
1410.76:455:29
1510.76:455:30
1610.86:455:31
1710.86:455:31
1810.86:455:32
1910.86:455:33
2010.86:455:33
2110.86:455:34
2210.86:455:35
2310.86:455:35
2410.96:455:36
2510.96:455:37
2610.96:455:37
2710.96:445:38
2810.96:445:39
2910.96:445:39
3010.96:445:40
3111.06:435:41

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.58 kWh/m².

For context, solar energy here swings from a low near 3.23 kWh/m² to a high of 5.62 kWh/m² in July across the year — January's 3.58 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.5Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in January

Hazard calendar for Kaohsiung

In seasonPeak

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

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

Kaohsiung's monsoon runs May–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 Kaohsiung?

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

7.6
Sightseeing
2nd-best month of the year
5.7
Beach & pool
8th-best month of the year

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

What to pack for Kaohsiung in January

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

In January, Kaohsiung sees daytime highs around 23°C and nights near 18°C. Worth packing: light clothes. About 6 days see rain.

light clothes

Sea temperature near Kaohsiung in January

The nearest coast averages about 24°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 19 km away) is warmest in July 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
May28Warm
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Warm
Nov26Warm
Dec25Warm

UV index in Kaohsiung 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 Kaohsiung peaks around June 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 17UV 12Dec 22UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr9Very high
May9Very high
Jun12Extreme
Jul10Very high
Aug12Extreme
Sep11Extreme
Oct8Very high
Nov7Very high
Dec6High

Air quality in Kaohsiung 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 Kaohsiung is worst in March — around 34 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1034 µg/m³Jun 2214 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb33Moderate
Mar34Moderate
Apr28Moderate
May20Moderate
Jun14Moderate
Jul15Moderate
Aug18Moderate
Sep24Moderate
Oct32Moderate
Nov32Moderate
Dec31Moderate
Location & terrain

Where is Kaohsiung?

Kaohsiung sits at 22.6°N, 120.3°E, 9 m above sea level, in Taiwan. The nearest listed city is Fengshan, 5.0 km away.

DonggangChaozhouTainanYongkangYujingXinyingHengchun

Topography around Kaohsiung

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

Within 3 km, the terrain around Kaohsiung has only modest variations in elevation — a maximum elevation change of 31 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 351 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,241 m.

The land around Kaohsiung is covered by artificial surfaces (82%) within 3 km, water (43%) and artificial surfaces (29%) within 16 km, and water (45%) and trees (43%) within 80 km.

3 km
31 m
16 km
351 m
80 km
3,241 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Fengshan 5.0 km · Donggang 22 km · Chaozhou 24 km · Tainan 43 km · Yongkang 46 km · Yujing 59 km · Xinying 77 km · Hengchun 81 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 Kaohsiung (22.6163°, 120.3133°, elevation 9 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).