Budai weather in January

In January, Budai sees average daytime highs of 22°C and overnight lows near 14°C, with 70 mm of rain across 8.2 wet days and about 10.7 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 51% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 10 h 36 min at the start of January to 10 h 54 min by month's end. Set against the rest of the year, January is Budai's 1st-clearest and 1st-windiest month. For the whole year in context, see Budai's year-round climate.

Daytime high
22°
12th warmest
Overnight low
14°
1st coldest
Rainfall
70 mm
8.2 wet days
Daylight
10 h 42 min
6:47 AM – 5:30 PM
Cloud cover
41%
1st clearest
Wind
16 km/h
1st windiest
Solar energy
4 kWh/m²
Travel score
7.2
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical January day in Budai reaches about 22°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, January runs about 2°C cooler than December and about 1°C cooler than February.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62215
72215
82215
92215
102215
112215
122214
132214
142214
152114
162114
172114
182114
192114
202114
212114
222114
232114
242114
252114
262114
272114
282114
292114
302114
312114

How January really feels in Budai

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.

Budai weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 14°708.210.77.2
Feb22° / 15°849.511.26.9
Mar25° / 17°12111.611.86.7
Apr27° / 21°20814.212.55.7
May29° / 23°37918.513.14.3
Jun31° / 25°42921.513.43.1
Jul32° / 26°29719.613.33.2
Aug31° / 26°39721.112.83.2
Sep31° / 25°18912.212.14.4
Oct29° / 23°554.511.56.4
Nov27° / 20°52610.97.5
Dec23° / 16°706.710.67.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57129
67129
77129
87129
97129
107129
117129
127030
136931
146931
156832
166832
176733
186733
196733
206733
216634
226634
236634
246634
256634
266634
276634
286634
296634
306733
316733

Chance of precipitation in January

Any precipitation

Budai gets around 70 mm of rain over 8.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
123
223
322
422
522
622
723
823
924
1025
1125
1226
1327
1427
1528
1628
1729
1829
1930
2030
2131
2231
2330
2430
2530
2629
2729
2829
2928
3028
3127

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the comfortable band about 38% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13236303
23236293
33236293
43237293
53337282
63337282
73337272
83338272
93438262
103438262
113537262
123537252
133537252
143637252
153637242
163738242
173738232
183838222
193838222
203938212
214039201
224039201
234039191
244139181
254140181
264240171
274240171
284340161
294340161
304340161
314240161

Wind in January

Winds average 16 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3016light breeze
3116light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 36 min at the start of January to 10 h 54 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 6:45 AM to 6:45 AM, and sunset from 5:20 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.66:455:20
210.66:455:21
310.66:465:21
410.66:465:22
510.66:465:22
610.66:465:23
710.66:475:24
810.66:475:24
910.66:475:25
1010.66:475:26
1110.76:475:26
1210.76:475:27
1310.76:475:28
1410.76:475:28
1510.76:475:29
1610.76:475:30
1710.76:475:31
1810.76:475:31
1910.76:475:32
2010.86:475:33
2110.86:475:33
2210.86:475:34
2310.86:475:35
2410.86:475:35
2510.86:475:36
2610.86:465:37
2710.96:465:37
2810.96:465:38
2910.96:465:39
3010.96:455:40
3110.96:455:40

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4 kWh/m².

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 5.82 kWh/m² in April across the year — January's 4 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.9Moderate
163.9Moderate
174.0Moderate
184.0Moderate
194.0Moderate
204.0Moderate
214.0Bright
224.0Bright
234.0Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in January

Hazard calendar for Budai

In seasonPeak

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

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

Budai's monsoon runs April–August, when most of the year's rain falls.

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

Is January a good time to visit Budai?

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

7.2
Sightseeing
3rd-best month of the year
4.7
Beach & pool
11th-best month of the year

January is one of the better times to visit Budai for general sightseeing.

What to pack for Budai in January

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

In January, Budai sees daytime highs around 22°C and nights near 14°C. Worth packing: rain gear. About 8 days see rain.

rain gear

Sea temperature near Budai in January

The nearest coast averages about 22°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in July at about 29°C and coldest in January near 22°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
Jan22Refreshing
Feb22Refreshing
Mar23Refreshing
Apr25Warm
May27Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov25Warm
Dec23Refreshing

UV index in Budai in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Budai 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
Apr9Very high
May10Very high
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep10Very high
Oct7Very high
Nov7High
Dec5High

Air quality in Budai 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 Budai is worst in March — around 48 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (July, 27 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 1848 µg/m³Jul 1828 µg/m³
PM2.5 (µg/m³)Level
Jan41Poor
Feb44Poor
Mar48Poor
Apr46Poor
May38Poor
Jun30Moderate
Jul27Moderate
Aug29Moderate
Sep38Poor
Oct40Poor
Nov40Poor
Dec36Poor
Location & terrain

Where is Budai?

Budai sits at 23.4°N, 120.2°E, 7 m above sea level, in Taiwan. The nearest listed city is Xinying, 17 km away.

BeigangXingangChiayi CityYongkangYujingTainan

Topography around Budai

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

Within 3 km, the terrain around Budai has only modest variations in elevation — a maximum elevation change of 14 m around an average of 0 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 33 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,662 m.

The land around Budai is covered by water (67%) within 3 km, water (53%) and cropland (27%) within 16 km, and water (51%) and trees (29%) within 80 km.

3 km
14 m
16 km
33 m
80 km
3,662 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Xinying 17 km · Taibao 20 km · Beigang 26 km · Xingang 27 km · Chiayi City 31 km · Yongkang 40 km · Yujing 42 km · Tainan 43 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 Budai (23.3779°, 120.1615°, elevation 7 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).