Hengchun weather in August

In August, Hengchun sees average daytime highs of 28°C and overnight lows near 27°C, with 370 mm of rain across 20.1 wet days and about 12.8 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 26% of the time in August, and the air most often feels miserable.

Daylight stretches from about 13 hours at the start of August to 12 h 30 min by month's end. Set against the rest of the year, August is Hengchun's 11th-clearest and 10th-windiest month. For the whole year in context, see Hengchun's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
27°
11th coldest
Rainfall
370 mm
20.1 wet days
Daylight
12 h 48 min
5:38 AM – 6:24 PM
Cloud cover
69%
11th clearest
Wind
22 km/h
10th windiest
Solar energy
5.45 kWh/m²
Travel score
4.5
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical August day in Hengchun reaches about 28°C in the afternoon and slips back to 27°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12827
22827
32827
42827
52827
62827
72827
82827
92827
102827
112827
122827
132827
142827
152827
162827
172827
182827
192827
202827
212827
222827
232827
242827
252827
262827
272827
282827
292827
302827
312827

How August really feels in Hengchun

Once humidity and wind are folded in, August averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Hengchun weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 20°488.310.87.0
Feb22° / 21°347.411.27.2
Mar24° / 22°296.611.87.7
Apr25° / 24°447.212.57.4
May27° / 26°17713.9135.9
Jun28° / 27°29819.813.34.5
Jul28° / 27°29219.513.24.5
Aug28° / 27°37020.112.84.5
Sep28° / 26°21313.912.15.6
Oct27° / 25°1066.611.57.3
Nov25° / 23°78610.97.8
Dec23° / 21°48710.77.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33664
43565
53565
63466
73466
83466
93466
103367
113466
123466
133466
143466
153466
163466
173565
183565
193565
203664
213664
223664
233565
243565
253565
263565
273565
283763
293763
303763
313862

Chance of precipitation in August

Any precipitation

Hengchun gets around 370 mm of rain over 20.1 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 64% and peaks near 68% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
163
264
365
466
567
667
768
868
968
1068
1167
1267
1367
1466
1566
1665
1765
1864
1963
2063
2162
2262
2362
2461
2561
2661
2761
2861
2961
3060
3160

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the miserable band about 92% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1793
2694
3694
4694
5694
6595
7595
8595
9595
10595
11694
12694
13694
14694
15793
16793
17793
18793
19892
20892
21991
22991
231090
241090
251189
261288
271387
281486
291585
301783
311882

Wind in August

Winds average 22 km/h in August.

Across August, daily wind ranges from about 21 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 hours at the start of August to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 5:32 AM to 5:43 AM, and sunset from 6:34 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:326:34
213.05:336:33
313.05:336:33
413.05:346:32
513.05:346:31
612.95:346:31
712.95:356:30
812.95:356:30
912.95:366:29
1012.95:366:28
1112.95:366:28
1212.85:376:27
1312.85:376:26
1412.85:386:26
1512.85:386:25
1612.85:386:24
1712.75:396:23
1812.75:396:22
1912.75:396:22
2012.75:406:21
2112.75:406:20
2212.65:406:19
2312.65:416:18
2412.65:416:17
2512.65:416:17
2612.65:426:16
2712.55:426:15
2812.55:426:14
2912.55:426:13
3012.55:436:12
3112.55:436:11

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.45 kWh/m².

For context, solar energy here swings from a low near 3.37 kWh/m² to a high of 6.03 kWh/m² in April across the year — August's 5.45 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in August

Hazard calendar for Hengchun

In seasonPeak

In August, Hengchun sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

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

Hengchun'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 August a good time to visit Hengchun?

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

4.5
Sightseeing
10th-best month of the year
5.3
Beach & pool
9th-best month of the year

August is a reasonable time to visit Hengchun for sightseeing.

What to pack for Hengchun in August

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

In August, Hengchun sees daytime highs around 28°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 20 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Hengchun in August

The nearest coast averages about 29°C in August — 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 July 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
Jan24Warm
Feb24Warm
Mar25Warm
Apr26Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Warm
Nov26Warm
Dec25Warm

UV index in Hengchun in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hengchun peaks around August 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highVery highExtremeVery highHighAug 13UV 12Dec 21UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar10Extreme
Apr10Very high
May10Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct9Very high
Nov8Very high
Dec6High

Air quality in Hengchun in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Hengchun is worst in March — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (June, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 1416 µg/m³Jun 178 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar16Moderate
Apr13Moderate
May9Good
Jun8Good
Jul9Good
Aug11Good
Sep10Good
Oct13Moderate
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Hengchun?

Hengchun sits at 22.0°N, 120.7°E, 25 m above sea level, in Taiwan. The nearest listed city is Donggang, 60 km away.

DonggangChaozhouFengshanKaohsiungTaitungTainanYongkangYujing

Topography around Hengchun

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

Within 3 km, the terrain around Hengchun has significant variations in elevation — a maximum elevation change of 368 m around an average of 58 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 887 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,015 m.

The land around Hengchun is covered by trees (51%) and cropland (22%) within 3 km, water (54%) and trees (39%) within 16 km, and water (74%) and trees (22%) within 80 km.

3 km
368 m
16 km
887 m
80 km
3,015 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Donggang 60 km · Chaozhou 64 km · Fengshan 80 km · Kaohsiung 81 km · Taitung 94 km · Tainan 123 km · Yongkang 124 km · Yujing 128 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 Hengchun (22.0042°, 120.7439°, elevation 25 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).