Xiulin weather in December

In December, Xiulin sees average daytime highs of 20°C and overnight lows near 18°C, with 293 mm of rain across 24.9 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 19°C by the end. The sky is clear or mostly clear about 12% of the time in December, and the air most often feels humid.

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 Xiulin's 9th-clearest and 2nd-windiest month. For the whole year in context, see Xiulin's year-round climate.

Daytime high
20°
10th warmest
Overnight low
18°
3rd coldest
Rainfall
293 mm
24.9 wet days
Daylight
10 h 30 min
6:34 AM – 5:05 PM
Cloud cover
77%
9th clearest
Wind
22 km/h
2nd windiest
Solar energy
2.1 kWh/m²
Travel score
4.1
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 19°C by the end.

A typical December day in Xiulin reaches about 20°C in the afternoon and slips back to 18°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12119
22119
32119
42119
52119
62119
72119
82119
92119
102019
112019
122018
132018
142018
152018
162018
172018
182018
192018
202018
212018
222018
232018
242018
251918
261917
271917
281917
291917
301917
311917

How December really feels in Xiulin

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.

Xiulin weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 17°29626.710.73.7
Feb19° / 17°24723.411.23.9
Mar21° / 19°17321.911.84.6
Apr23° / 21°1571912.55.2
May25° / 24°24221.613.24.9
Jun27° / 26°20816.513.55.1
Jul28° / 26°21414.213.35.4
Aug28° / 26°24717.812.85.1
Sep27° / 25°35620.712.14.9
Oct25° / 23°31219.211.45.4
Nov23° / 21°30020.910.85.0
Dec20° / 18°29324.910.54.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43169
52971
62971
72971
82773
92773
102674
112575
122575
132575
142377
152377
162377
172377
182377
192278
202278
212278
222179
232080
242080
252179
262179
272179
281981
291981
301981
311882

Chance of precipitation in December

Any precipitation

Xiulin gets around 293 mm of rain over 24.9 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 80% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
175
275
376
476
577
677
778
879
979
1080
1181
1281
1381
1481
1581
1681
1781
1881
1981
2081
2181
2281
2382
2482
2582
2682
2782
2883
2983
3083
3184

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 33% 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 (%)
1142436251
2152536231
3162636211
4162736201
5172836181
6172936171
7172936161
8183036151
9183136141
10193136131
11193136131
12203136121
13213136121
14213135111
15223135111
16223235111
17233234101
18243234100
19253233100
2026323290
2127333290
2228333180
2329333080
2430342970
2530342970
2631352960
2731352860
2831362850
2931362850
3031362850
3131372840

Wind in December

Winds average 22 km/h in December.

Across December, daily wind ranges from about 21 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

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 6:25 AM to 6:41 AM, and sunset from 5:02 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:255:02
210.66:255:02
310.66:265:02
410.66:275:02
510.66:275:02
610.66:285:02
710.66:295:03
810.66:295:03
910.56:305:03
1010.56:315:03
1110.56:315:04
1210.56:325:04
1310.56:325:04
1410.56:335:04
1510.56:345:05
1610.56:345:05
1710.56:355:06
1810.56:355:06
1910.56:365:06
2010.56:365:07
2110.56:375:07
2210.56:375:08
2310.56:385:08
2410.56:385:09
2510.56:395:09
2610.56:395:10
2710.56:395:10
2810.56:405:11
2910.56:405:11
3010.56:405:12
3110.56:415:12

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.1 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.1 kWh/m² to a high of 6.01 kWh/m² in July across the year — December's 2.1 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.2Moderate
72.2Moderate
82.2Moderate
92.2Moderate
102.1Moderate
112.1Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.1Moderate
212.1Moderate
222.1Moderate
232.1Moderate
242.1Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in December

Hazard calendar for Xiulin

In seasonPeak

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

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

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Xiulin?

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

4.1
Sightseeing
10th-best month of the year
2.2
Beach & pool
10th-best month of the year

December is a reasonable time to visit Xiulin for sightseeing.

What to pack for Xiulin in December

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

In December, Xiulin sees daytime highs around 20°C and nights near 18°C. Pack rain gear. Worth having: a windbreaker. About 25 days see rain.

rain geara windbreaker

Sea temperature near Xiulin in December

The nearest coast averages about 25°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August 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
May27Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov26Warm
Dec25Warm

UV index in Xiulin 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 Xiulin peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 21UV 12Dec 19UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr8Very high
May10Very high
Jun13Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct9Very high
Nov7Very high
Dec6High

Air quality in Xiulin 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 Xiulin is worst in March — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 2422 µg/m³Oct 1811 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar22Moderate
Apr22Moderate
May17Moderate
Jun15Moderate
Jul11Good
Aug12Good
Sep11Good
Oct11Good
Nov11Good
Dec13Moderate
Location & terrain

Where is Xiulin?

Xiulin sits at 24.1°N, 121.6°E, 35 m above sea level, in Taiwan. The nearest listed city is Hualien, 16 km away.

PuliYilanZhudongDaxiSanxiaWufengMiaoli

Topography around Xiulin

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

Within 3 km, the terrain around Xiulin has very significant variations in elevation — a maximum elevation change of 1,443 m around an average of 245 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,860 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,837 m.

The land around Xiulin is covered by trees (68%) within 3 km, trees (54%) and water (40%) within 16 km, and trees (65%) and water (31%) within 80 km.

3 km
1,443 m
16 km
2,860 m
80 km
3,837 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Hualien 16 km · Puli 69 km · Yilan 72 km · Zhudong 87 km · Daxi 91 km · Sanxia 94 km · Wufeng 94 km · Miaoli 95 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 Xiulin (24.1202°, 121.6263°, elevation 35 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).