Sanzhi weather in January

In January, Sanzhi sees average daytime highs of 18°C and overnight lows near 14°C, with 78 mm of rain across 13 wet days and about 10.6 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 19% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of January to 10 h 48 min by month's end. Set against the rest of the year, January is Sanzhi's 11th-clearest and 4th-windiest month. For the whole year in context, see Sanzhi's year-round climate.

Daytime high
18°
12th warmest
Overnight low
14°
1st coldest
Rainfall
78 mm
13 wet days
Daylight
10 h 36 min
6:46 AM – 5:21 PM
Cloud cover
74%
11th clearest
Wind
19 km/h
4th windiest
Solar energy
2.3 kWh/m²
Travel score
5.1
out of 10

Sanzhi is A district in New Taipei City, Taiwan.

Density
355/km²
people per km²

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 18°C through the month.

A typical January day in Sanzhi reaches about 18°C in the afternoon and slips back to 14°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 22°C. Set against its neighbours, January runs about 2°C cooler than December and on par with February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11815
21815
31815
41815
51815
61815
71815
81815
91815
101815
111815
121815
131814
141814
151814
161814
171814
181714
191714
201714
211714
221714
231714
241714
251714
261714
271714
281714
291714
301714
311714

How January really feels in Sanzhi

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.

Sanzhi weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 14°781310.65.1
Feb18° / 14°9612.611.15.2
Mar20° / 16°11314.311.85.5
Apr24° / 19°12013.312.66.1
May27° / 23°15713.713.25.8
Jun29° / 25°15813.413.54.5
Jul31° / 27°1111113.44.3
Aug31° / 27°18714.312.94.2
Sep29° / 25°16914.212.25.1
Oct26° / 23°1301211.46.4
Nov23° / 20°10012.610.86.2
Dec20° / 16°8312.910.55.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23070
33070
43070
53070
63070
72872
82872
92773
102773
112773
122674
132476
142476
152575
162476
172476
182476
192476
202476
212476
222476
232476
242476
252476
262476
272575
282674
292674
302674
312674

Chance of precipitation in January

Any precipitation

Sanzhi gets around 78 mm of rain over 13 wet days in January, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
138
238
339
439
539
639
740
840
941
1041
1142
1242
1343
1443
1543
1644
1744
1845
1945
2045
2145
2245
2346
2446
2546
2646
2746
2846
2946
3045
3145

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15128183
25128183
35128183
45128183
55228182
65228182
75327182
85327182
95327182
105426182
115426182
125426182
135426182
145625172
155625172
165725171
175825161
185925151
195925151
206025141
216125131
226026131
236126121
246126121
256326110
266227110
276327100
286327100
296228100
306228100
316228100

Wind in January

Winds average 19 km/h in January.

Across January, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 30 min at the start of January to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:44 AM to 6:43 AM, and sunset from 5:11 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.56:445:11
210.56:445:11
310.56:445:12
410.56:445:13
510.56:455:13
610.56:455:14
710.56:455:15
810.56:455:15
910.56:455:16
1010.56:455:17
1110.56:465:17
1210.56:465:18
1310.66:465:19
1410.66:465:19
1510.66:465:20
1610.66:465:21
1710.66:465:22
1810.66:465:22
1910.66:465:23
2010.66:455:24
2110.76:455:25
2210.76:455:25
2310.76:455:26
2410.76:455:27
2510.76:455:27
2610.76:445:28
2710.76:445:29
2810.86:445:30
2910.86:435:30
3010.86:435:31
3110.86:435:32

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 2.3 kWh/m².

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 6 kWh/m² in July across the year — January's 2.3 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.3Moderate
22.3Moderate
32.3Moderate
42.3Moderate
52.3Moderate
62.3Moderate
72.3Moderate
82.3Moderate
92.3Moderate
102.3Moderate
112.3Moderate
122.2Moderate
132.2Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.2Moderate
182.2Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.3Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.3Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in January

Hazard calendar for Sanzhi

In seasonPeak

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

Sanzhi 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 January a good time to visit Sanzhi?

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

5.1
Sightseeing
8th-best month of the year
1.6
Beach & pool
12th-best month of the year

January is a reasonable time to visit Sanzhi for sightseeing.

What to pack for Sanzhi in January

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

In January, Sanzhi sees daytime highs around 18°C and nights near 14°C. Worth packing: rain gear. About 13 days see rain.

rain gear

Sea temperature near Sanzhi in January

The nearest coast averages about 19°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 18 km away) is warmest in August at about 28°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 14 to Jan 1 — about 9.7 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar20Refreshing
Apr23Refreshing
May25Warm
Jun27Warm
Jul28Tropical
Aug28Tropical
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec21Refreshing

UV index in Sanzhi in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sanzhi peaks around June 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highVery highHighJun 18UV 11Dec 22UV 4
UV index (midday)Level
Jan5Moderate
Feb7Very high
Mar9Very high
Apr8Very high
May10Extreme
Jun12Extreme
Jul11Extreme
Aug9Very high
Sep11Extreme
Oct8Very high
Nov7High
Dec4Moderate

Air quality in Sanzhi 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 Sanzhi is worst in April — around 47 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (October, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1447 µg/m³Oct 1521 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb36Poor
Mar44Poor
Apr47Poor
May42Poor
Jun42Poor
Jul34Moderate
Aug28Moderate
Sep24Moderate
Oct20Moderate
Nov25Moderate
Dec25Moderate
Location & terrain

Where is Sanzhi?

Sanzhi sits at 25.3°N, 121.5°E, 72 m above sea level, in Taiwan. The nearest listed city is Danshui, 11 km away.

NeihuNew Taipei CityTaipeiXizhiBanqiaoKeelungShulin

Topography around Sanzhi

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

Within 3 km, the terrain around Sanzhi has significant variations in elevation — a maximum elevation change of 300 m around an average of 82 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,106 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,425 m.

The land around Sanzhi is covered by trees (77%) within 3 km, water (56%) and trees (38%) within 16 km, and water (62%) and trees (30%) within 80 km.

3 km
300 m
16 km
1,106 m
80 km
2,425 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Danshui 11 km · Neihu 21 km · New Taipei City 22 km · Taipei 23 km · Xizhi 27 km · Banqiao 27 km · Keelung 28 km · Shulin 31 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 Sanzhi (25.2578°, 121.5018°, elevation 72 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).