Xiamen weather in August

In August, Xiamen sees average daytime highs of 31°C and overnight lows near 26°C, with 251 mm of rain across 19.7 wet days and about 12.9 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°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 h 06 min at the start of August to 12 h 30 min by month's end. Set against the rest of the year, August is Xiamen's 8th-clearest and 12th-windiest month. For the whole year in context, see Xiamen's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
26°
11th coldest
Rainfall
251 mm
19.7 wet days
Daylight
12 h 54 min
5:46 AM – 6:38 PM
Cloud cover
67%
8th clearest
Wind
9 km/h
12th windiest
Solar energy
5.1 kWh/m²
Travel score
3.4
out of 10

Xiamen is prefecture-level city in Fujian, China.

Air quality
High
PM2.5 25.2 µg/m³ · 2018
Density
2,717/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical August day in Xiamen reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13226
23226
33126
43126
53126
63126
73126
83126
93126
103126
113126
123126
133126
143126
153126
163126
173126
183126
193126
203126
213126
223126
233126
243126
253126
263126
273126
283126
293126
303126
313125

How August really feels in Xiamen

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
16 feel dangerously hot (≥ 39°C)
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.

Xiamen 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
Jan18° / 10°405.610.76.4
Feb18° / 11°608.711.16.0
Mar20° / 14°8911.711.86.0
Apr24° / 18°10812.812.66.1
May28° / 22°18416.113.25.3
Jun30° / 25°24519.713.53.7
Jul31° / 26°18817.113.43.5
Aug31° / 26°25119.712.93.4
Sep30° / 24°13112.312.24.7
Oct28° / 21°443.811.47.3
Nov24° / 17°494.710.87.9
Dec20° / 12°42510.57.2

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 13% of August, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
23961
33862
43862
53763
63664
73664
83763
93664
103664
113664
123763
133862
143862
153961
163961
173961
184159
194159
204159
214258
224258
234258
244258
254258
264258
274159
284159
294258
304258
314357

Chance of precipitation in August

Any precipitation

Xiamen gets around 251 mm of rain over 19.7 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 63% and peaks near 65% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
159
260
360
461
561
662
762
863
963
1063
1163
1263
1363
1463
1563
1663
1764
1864
1964
2064
2164
2264
2364
2464
2565
2665
2765
2865
2964
3064
3163

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10991
20991
30991
40991
50892
60892
70892
80892
90892
100892
110892
120892
130892
140892
150991
160991
170991
1801090
1901090
2001189
2101288
2201288
2301387
2401486
2501585
2611683
2711881
2811980
2912079
3022276
3122375

Wind in August

Winds average 9 km/h in August, the calmest month.

Across August, 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 06 min 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 36 minutes over August. Sunrise moves from 5:39 AM to 5:52 AM, and sunset from 6:48 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:396:48
213.15:406:48
313.15:406:47
413.15:416:46
513.15:416:46
613.15:426:45
713.05:426:44
813.05:426:44
913.05:436:43
1013.05:436:42
1113.05:446:42
1212.95:446:41
1312.95:456:40
1412.95:456:39
1512.95:466:38
1612.95:466:38
1712.85:466:37
1812.85:476:36
1912.85:476:35
2012.85:486:34
2112.85:486:33
2212.75:486:32
2312.75:496:31
2412.75:496:30
2512.75:506:29
2612.65:506:28
2712.65:506:27
2812.65:516:26
2912.65:516:25
3012.55:526:24
3112.55:526:23

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.1 kWh/m².

For context, solar energy here swings from a low near 3.12 kWh/m² to a high of 5.63 kWh/m² in July across the year — August's 5.1 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in August

Hazard calendar for Xiamen

In seasonPeak

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

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

Xiamen'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 Xiamen?

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

3.4
Sightseeing
12th-best month of the year
5.2
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Xiamen.

What to pack for Xiamen in August

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

In August, Xiamen sees daytime highs around 31°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Xiamen in August

The nearest coast averages about 28°C in August — 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 28°C and coldest in February near 15°C.

It's comfortable for a long swim from Apr 20 to Nov 29 — about 7.4 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar17Cool
Apr20Cool
May23Refreshing
Jun26Warm
Jul27Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov22Refreshing
Dec18Cool

UV index in Xiamen in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Xiamen peaks around June 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 18UV 11Dec 21UV 5
UV index (midday)Level
Jan6High
Feb7High
Mar9Very high
Apr8Very high
May10Extreme
Jun12Extreme
Jul11Extreme
Aug10Extreme
Sep10Extreme
Oct8Very high
Nov6High
Dec5High

Air quality in Xiamen 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 Xiamen is worst in January — around 33 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (July, 16 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Xiamen's WHO annual average of 25.2 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 2033 µg/m³Jul 1517 µg/m³
PM2.5 (µg/m³)Level
Jan33Moderate
Feb32Moderate
Mar33Moderate
Apr29Moderate
May24Moderate
Jun18Moderate
Jul16Moderate
Aug19Moderate
Sep22Moderate
Oct21Moderate
Nov27Moderate
Dec28Moderate
Location & terrain

Where is Xiamen?

Xiamen sits at 24.5°N, 118.1°E, 12 m above sea level, in China. The nearest listed city is Jincheng, 24 km away.

Topography around Xiamen

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

Within 3 km, the terrain around Xiamen has only modest variations in elevation — a maximum elevation change of 213 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 460 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,439 m.

The land around Xiamen is covered by artificial surfaces (46%), water (31%) and trees (21%) within 3 km, water (46%) and artificial surfaces (26%) within 16 km, and trees (48%) and water (33%) within 80 km.

3 km
213 m
16 km
460 m
80 km
1,439 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Jincheng 24 km · Jinhu 35 km · Magong 184 km · Fuzhou 215 km · Erlin 241 km · Budai 244 km · Beigang 247 km · Erlun 249 km

China travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / I
220 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$13,862
2025
Happiness
6.1 / 10
World Happiness, 2025
Homicide rate
0.5
per 100k, 2020
Road deaths
17.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 464
Religion
unaffiliated 52%folk religion 22%Buddhist 18%Christian 5%

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 Xiamen (24.4798°, 118.0819°, elevation 12 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).