Nantou weather in December

In December, Nantou sees average daytime highs of 22°C and overnight lows near 15°C, with 56 mm of rain across 8.3 wet days and about 10.6 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 55% 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 Nantou's 2nd-clearest and 1st-windiest month. For the whole year in context, see Nantou's year-round climate.

Daytime high
22°
10th warmest
Overnight low
15°
3rd coldest
Rainfall
56 mm
8.3 wet days
Daylight
10 h 30 min
6:38 AM – 5:09 PM
Cloud cover
40%
2nd clearest
Wind
6 km/h
1st windiest
Solar energy
3.3 kWh/m²
Travel score
7.4
out of 10

Nantou is A county-administered in Nantou County, Taiwan.

Density
1,464/km²
people per km²
Founded
1981

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 21°C by the end.

A typical December day in Nantou reaches about 22°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°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)
12416
22416
32416
42416
52316
62316
72316
82316
92315
102315
112315
122315
132315
142315
152215
162215
172215
182215
192214
202214
212214
222214
232214
242214
252114
262114
272114
282114
292114
302114
312114

How December really feels in Nantou

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.

Nantou 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
Jan21° / 13°599.810.76.7
Feb21° / 14°7510.611.26.5
Mar23° / 16°9912.411.86.6
Apr26° / 19°11513.512.56.2
May28° / 21°16517.313.15.0
Jun29° / 23°21519.713.43.8
Jul30° / 23°30922.413.33.4
Aug30° / 23°38425.812.83.2
Sep29° / 23°23021.312.13.9
Oct28° / 21°9211.111.46.2
Nov26° / 18°467.110.87.5
Dec22° / 15°568.310.67.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27426
37426
47426
57327
67327
77327
87228
97228
107129
117030
127030
137030
147030
157030
167030
177030
187129
197129
207129
217129
227129
237129
247129
257129
267228
277327
287327
297327
307327
317327

Chance of precipitation in December

Any precipitation

Nantou gets around 56 mm of rain over 8.3 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 26% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
120
220
320
420
521
621
722
822
923
1024
1124
1225
1326
1426
1526
1627
1727
1827
1928
2028
2129
2229
2330
2430
2530
2630
2729
2829
2929
3029
3130

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 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12132416
22233395
32335375
42436364
52537344
62638324
72739313
82840293
92940283
103041273
113042262
123142242
133242232
143342222
153542212
163642202
173742192
183843182
193943172
204043162
214142152
224242141
234342141
244442131
254541131
264541131
274641121
284641121
294640131
304740130
314740130

Wind in December

Winds average 6 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:28 AM to 6:44 AM, and sunset from 5:06 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:285:06
210.66:295:06
310.66:305:06
410.66:305:06
510.66:315:06
610.66:325:07
710.66:325:07
810.66:335:07
910.66:335:07
1010.66:345:08
1110.66:355:08
1210.56:355:08
1310.56:365:08
1410.56:365:09
1510.56:375:09
1610.56:385:09
1710.56:385:10
1810.56:395:10
1910.56:395:11
2010.56:405:11
2110.56:405:12
2210.56:415:12
2310.56:415:12
2410.56:425:13
2510.56:425:13
2610.56:425:14
2710.56:435:15
2810.56:435:15
2910.56:445:16
3010.56:445:16
3110.56:445:17

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.3 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.3 kWh/m² to a high of 5.28 kWh/m² in July across the year — December's 3.3 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.4Moderate
43.4Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.3Moderate
153.3Moderate
163.3Moderate
173.3Moderate
183.3Moderate
193.3Moderate
203.3Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.4Moderate
313.4Moderate
Planning a trip in December

Hazard calendar for Nantou

In seasonPeak

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

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

Nantou's monsoon runs June–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 Nantou?

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

7.4
Sightseeing
2nd-best month of the year
5.4
Beach & pool
5th-best month of the year

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

What to pack for Nantou in December

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

In December, Nantou sees daytime highs around 22°C and nights near 15°C. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

Sea temperature near Nantou 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 37 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 Nantou 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 Nantou 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 Nantou 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 Nantou 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 Nantou?

Nantou sits at 23.9°N, 120.7°E, 196 m above sea level, in Taiwan. The nearest listed city is Zhongxing New Village, 5.0 km away.

Topography around Nantou

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

Within 3 km, the terrain around Nantou has significant variations in elevation — a maximum elevation change of 353 m around an average of 214 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 934 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,887 m.

The land around Nantou is covered by trees (57%) and artificial surfaces (32%) within 3 km, trees (60%) within 16 km, and trees (57%) and water (24%) within 80 km.

3 km
353 m
16 km
934 m
80 km
3,887 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Zhongxing New Village 5.0 km · Caotun 7.0 km · Shetou 8.0 km · Yuanlin 10 km · Tianzhong 10 km · Yongjing 12 km · Tianwei 14 km · Beidou 15 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 Nantou (23.9157°, 120.6639°, elevation 196 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).