Citong weather in December

In December, Citong sees average daytime highs of 23°C and overnight lows near 15°C, with 61 mm of rain across 8.9 wet days and about 10.6 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 51% 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 36 min by month's end. Set against the rest of the year, December is Citong's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Citong's year-round climate.

Daytime high
23°
10th warmest
Overnight low
15°
3rd coldest
Rainfall
61 mm
8.9 wet days
Daylight
10 h 30 min
6:38 AM – 5:10 PM
Cloud cover
44%
2nd clearest
Wind
9 km/h
2nd windiest
Solar energy
3.59 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 24°C in the first days to 22°C by the end.

A typical December day in Citong reaches about 23°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 26°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)
12417
22417
32417
42416
52416
62416
72416
82416
92316
102316
112316
122316
132315
142315
152315
162315
172315
182215
192215
202215
212215
222215
232214
242214
252214
262214
272214
282214
292214
302214
312214

How December really feels in Citong

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.

Citong weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 13°569.810.76.8
Feb22° / 14°6611.211.26.5
Mar24° / 16°9812.711.86.6
Apr27° / 20°14714.912.55.7
May29° / 22°24519.213.14.2
Jun31° / 24°31321.313.43.2
Jul31° / 25°35921.913.33.0
Aug31° / 25°44123.912.83.0
Sep30° / 24°26717.912.13.9
Oct29° / 22°1201111.45.8
Nov26° / 19°608.310.97.2
Dec23° / 15°618.910.67.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% 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 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
46931
56931
66832
76832
86832
96733
106733
116733
126733
136733
146733
156733
166733
176733
186733
196733
206832
216832
226832
236832
246832
256931
266931
276931
286931
296931
306931
317030

Chance of precipitation in December

Any precipitation

Citong gets around 61 mm of rain over 8.9 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 28% and peaks near 33% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
324
424
524
624
724
824
925
1025
1126
1226
1327
1427
1527
1628
1728
1828
1929
2030
2131
2231
2332
2432
2532
2633
2733
2833
2933
3033
3133

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1142241231
2152341211
3162441190
4162640170
5172740160
6172940140
7173039130
8183139110
9193238100
10193338100
1120343790
1221353680
1321353580
1422363480
1523363470
1624373370
1724373270
1825373160
1926373060
2027373060
2128372950
2229372950
2330372840
2431372840
2532372740
2632372730
2732382730
2833382730
2933382620
3033392620
3133392620

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 6:29 AM to 6:45 AM, and sunset from 5:07 PM to 5:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:295:07
210.66:295:07
310.66:305:07
410.66:315:07
510.66:315:07
610.66:325:08
710.66:335:08
810.66:335:08
910.66:345:08
1010.66:345:08
1110.66:355:09
1210.66:365:09
1310.66:365:09
1410.56:375:10
1510.56:375:10
1610.56:385:10
1710.56:385:11
1810.56:395:11
1910.56:405:12
2010.56:405:12
2110.56:415:13
2210.56:415:13
2310.56:415:13
2410.56:425:14
2510.56:425:14
2610.56:435:15
2710.56:435:15
2810.56:445:16
2910.56:445:17
3010.56:445:17
3110.66:455:18

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.59 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 5.57 kWh/m² in April across the year — December's 3.59 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.6Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in December

Hazard calendar for Citong

In seasonPeak

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

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

Citong'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 Citong?

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

7.3
Sightseeing
1st-best month of the year
5.5
Beach & pool
5th-best month of the year

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

What to pack for Citong in December

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

In December, Citong sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Citong in December

The nearest coast averages about 22°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 40 km away) is warmest in August at about 29°C and coldest in January near 21°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar22Refreshing
Apr24Warm
May26Warm
Jun28Warm
Jul29Tropical
Aug29Tropical
Sep28Warm
Oct26Warm
Nov25Warm
Dec22Refreshing

UV index in Citong 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 Citong peaks around June 17 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 17UV 12Dec 20UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr8Very high
May10Very high
Jun12Extreme
Jul10Extreme
Aug11Extreme
Sep9Very high
Oct7Very high
Nov7High
Dec6High

Air quality in Citong 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 Citong 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 Citong?

Citong sits at 23.8°N, 120.5°E, 43 m above sea level, in Taiwan. The nearest listed city is Xiluo, 6.0 km away.

Topography around Citong

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

Within 3 km, the terrain around Citong has only modest variations in elevation — a maximum elevation change of 18 m around an average of 37 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 422 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,887 m.

The land around Citong is covered by cropland (65%) and artificial surfaces (22%) within 3 km, cropland (48%) and trees (26%) within 16 km, and trees (48%) and water (30%) within 80 km.

3 km
18 m
16 km
422 m
80 km
3,887 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Xiluo 6.0 km · Douliu 7.0 km · Erlun 9.0 km · Linnei 12 km · Beidou 13 km · Tianzhong 14 km · Tianwei 15 km · Pitou 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 Citong (23.7575°, 120.4997°, elevation 43 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).