Taichung weather in December

In December, Taichung sees average daytime highs of 21°C and overnight lows near 15°C, with 56 mm of rain across 7.5 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 58% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 10 h 36 min at the start of December to 10 h 30 min by month's end. Set against the rest of the year, December is Taichung's 1st-clearest and 1st-windiest month. For the whole year in context, see Taichung's year-round climate.

Daytime high
21°
10th warmest
Overnight low
15°
3rd coldest
Rainfall
56 mm
7.5 wet days
Daylight
10 h 30 min
6:38 AM – 5:09 PM
Cloud cover
39%
1st clearest
Wind
11 km/h
1st windiest
Solar energy
3.16 kWh/m²
Travel score
7.3
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 20°C by the end.

A typical December day in Taichung reaches about 21°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, December runs about 3°C cooler than November and about 2°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12316
22216
32216
42216
52216
62216
72216
82216
92216
102115
112115
122115
132115
142115
152115
162115
172115
182115
192115
202114
212014
222014
232014
242014
252014
262014
272014
282014
292014
302014
312014

How December really feels in Taichung

Once humidity and wind are folded in, December 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

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

Taichung weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 13°68910.76.6
Feb20° / 14°9810.911.26.2
Mar22° / 16°12912.911.86.4
Apr25° / 19°15014.712.56.1
May27° / 22°22218.713.25.1
Jun29° / 23°28822.113.53.7
Jul30° / 24°34424.713.33.3
Aug29° / 24°43927.612.83.1
Sep29° / 23°25522.512.14.1
Oct27° / 21°9311.111.46.6
Nov24° / 18°506.510.87.8
Dec21° / 15°567.510.57.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 27%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37426
47426
57426
67327
77327
87327
97228
107228
117228
127228
137228
147228
157228
167228
177327
187327
197327
207327
217228
227228
237228
247327
257327
267327
277327
287327
297327
307327
317228

Chance of precipitation in December

Any precipitation

Taichung gets around 56 mm of rain over 7.5 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
118
218
319
419
519
620
720
821
922
1022
1123
1224
1324
1425
1525
1625
1725
1826
1926
2026
2126
2226
2326
2426
2525
2625
2725
2824
2924
3024
3124

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12231416
22332396
32434375
42635354
52736334
62837313
72938303
83040283
93140272
103241252
113242242
123342232
133442222
143542212
153642202
163742192
173842181
183942171
194042161
204142161
214242151
224441141
234541131
244641131
254740121
264840121
274840111
284939110
295039110
305039110
315138110

Wind in December

Winds average 11 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 36 min at the start of December to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:29 AM to 6:45 AM, and sunset from 5:05 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:295:05
210.66:295:06
310.66:305:06
410.66:315:06
510.66:315:06
610.66:325:06
710.66:335:06
810.66:335:06
910.56:345:07
1010.56:345:07
1110.56:355:07
1210.56:365:08
1310.56:365:08
1410.56:375:08
1510.56:375:09
1610.56:385:09
1710.56:395:09
1810.56:395:10
1910.56:405:10
2010.56:405:10
2110.56:415:11
2210.56:415:11
2310.56:425:12
2410.56:425:12
2510.56:425:13
2610.56:435:13
2710.56:435:14
2810.56:445:14
2910.56:445:15
3010.56:445:16
3110.56:455:16

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.16 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.16 kWh/m² to a high of 5.5 kWh/m² in July across the year — December's 3.16 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.3Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.3Moderate
73.2Moderate
83.2Moderate
93.2Moderate
103.2Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.2Moderate
173.2Moderate
183.2Moderate
193.2Moderate
203.2Moderate
213.2Moderate
223.2Moderate
233.2Moderate
243.2Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.2Moderate
303.3Moderate
313.3Moderate
Planning a trip in December

Hazard calendar for Taichung

In seasonPeak

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

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

Taichung'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 December a good time to visit Taichung?

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

7.3
Sightseeing
2nd-best month of the year
4.4
Beach & pool
8th-best month of the year

December is one of the better times to visit Taichung for general sightseeing.

What to pack for Taichung in December

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

In December, Taichung sees daytime highs around 21°C and nights near 15°C. Little to plan around — just the basics. About 8 days see rain.

Sea temperature near Taichung in December

The nearest coast averages about 21°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 26 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 Mar 2 to Dec 29 — about 10 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar21Refreshing
Apr24Refreshing
May26Warm
Jun27Warm
Jul28Tropical
Aug29Tropical
Sep28Warm
Oct26Warm
Nov24Refreshing
Dec21Refreshing

UV index in Taichung in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Taichung peaks around June 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 16UV 12Dec 20UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr9Very high
May11Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep10Very high
Oct8Very high
Nov7Very high
Dec6High

Air quality in Taichung in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Taichung 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 Taichung?

Taichung sits at 24.1°N, 120.7°E, 91 m above sea level, in Taiwan. The nearest listed city is Wufeng, 9.0 km away.

Zhongxing New VillageYuanlin

Topography around Taichung

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

Within 3 km, the terrain around Taichung has only modest variations in elevation — a maximum elevation change of 76 m around an average of 91 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,079 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,887 m.

The land around Taichung is covered by artificial surfaces (91%) within 3 km, trees (46%) and artificial surfaces (35%) within 16 km, and trees (55%) and water (27%) within 80 km.

3 km
76 m
16 km
1,079 m
80 km
3,887 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Wufeng 9.0 km · Buzi 13 km · Xizhou 14 km · Chang-hua 15 km · Changhua 16 km · Caotun 19 km · Zhongxing New Village 21 km · Yuanlin 24 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 Taichung (24.1469°, 120.6839°, elevation 91 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).