Xi'an weather in August

In August, Xi'an sees average daytime highs of 31°C and overnight lows near 22°C, with 129 mm of rain across 10.6 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 29°C by the end. The sky is clear or mostly clear about 37% of the time in August, and the air most often feels muggy.

Daylight stretches from about 13 h 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Xi'an's 5th-clearest and 5th-windiest month. For the whole year in context, see Xi'an's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
22°
11th coldest
Rainfall
129 mm
10.6 wet days
Daylight
13 h 18 min
6:10 AM – 7:27 PM
Cloud cover
56%
5th clearest
Wind
5 km/h
5th windiest
Solar energy
4.93 kWh/m²
Travel score
4.6
out of 10

Xi'an is capital of Shaanxi Province, China.

Air quality
Severe
PM2.5 63.1 µg/m³ · 2018
Density
951/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

Highs ease over the month, from about 32°C in the first days to 29°C by the end.

A typical August day in Xi'an reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 36°C. Set against its neighbours, August runs about 1°C cooler than July and about 5°C warmer than September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23323
33223
43223
53223
63223
73223
83223
93223
103223
113223
123122
133122
143122
153122
163122
173122
183122
193021
203021
213021
223021
233021
243021
253021
263021
272920
282920
292920
302920
312920

How August really feels in Xi'an

Once humidity and wind are folded in, August averages 18 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
18
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.

Xi'an weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°133.22.6100.4
Feb10° / 184.1210.72.5
Mar16° / 3360.711.75.4
Apr23° / 11°4670.112.87.1
May27° / 16°718.2013.86.5
Jun31° / 20°937.3014.24.7
Jul32° / 23°14410.7014.13.8
Aug31° / 22°12910.6013.34.6
Sep26° / 17°13311.7012.26.3
Oct20° / 11°8110011.16.2
Nov13° / 406.61.110.24.0
Dec / -1°133.31.49.81.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25545
35446
45446
55446
65446
75347
85347
95248
105149
115149
125050
135050
144951
154852
164852
174852
184852
194852
204852
214852
224951
234951
244951
255050
265149
275149
285248
295149
305248
315149

Chance of precipitation in August

Any precipitation

Xi'an gets around 129 mm of rain over 10.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
536
636
736
836
935
1035
1135
1235
1335
1435
1534
1634
1734
1834
1934
2034
2133
2233
2333
2432
2532
2632
2732
2832
2932
3033
3133

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 69% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
102939465
202938465
3021038455
4021138445
5021238434
6031239424
7031339404
8031439394
9031540374
10041641354
11041741343
12141842323
13152042293
14152143283
15152243262
16152443242
17162544232
18162644211
19162844191
20262945181
21263045171
22273145151
23273244141
24273444130
25383542120
26383641110
27393740100
28410383990
29410393790
30511403680
31512413470

Wind in August

Winds average 5 km/h in August.

Across August, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 42 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over August. Sunrise moves from 5:58 AM to 6:21 AM, and sunset from 7:42 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:587:42
213.75:597:41
313.76:007:40
413.66:017:40
513.66:017:39
613.66:027:38
713.66:037:37
813.56:047:36
913.56:047:35
1013.56:057:34
1113.46:067:33
1213.46:077:32
1313.46:077:30
1413.46:087:29
1513.36:097:28
1613.36:107:27
1713.36:107:26
1813.26:117:25
1913.26:127:24
2013.26:137:22
2113.16:137:21
2213.16:147:20
2313.16:157:19
2413.06:167:17
2513.06:167:16
2613.06:177:15
2712.96:187:13
2812.96:197:12
2912.96:197:11
3012.86:207:09
3112.86:217:08

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.93 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 5.75 kWh/m² in June across the year — August's 4.93 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.5Bright
314.5Bright
Planning a trip in August

Hazard calendar for Xi'an

In seasonPeak

In August, Xi'an sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Xi'an's rainy season runs May–October, when most of the year's rain falls.

Xi'an sees seasonal dust haze (April–May), heaviest in May.

Rainy season
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Xi'an?

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

4.6
Sightseeing
7th-best month of the year
6.6
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Xi'an for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Xi'an in August

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

In August, Xi'an sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Xi'an in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Xi'an peaks around July 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 11UV 10Jan 12UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar6High
Apr6High
May8Very high
Jun10Very high
Jul10Very high
Aug7Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Xi'an 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 Xi'an is worst in January — around 82 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (August, 42 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Xi'an's WHO annual average of 63.1 µg/m³.

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 1981 µg/m³Aug 1042 µg/m³
PM2.5 (µg/m³)Level
Jan82Unhealthy
Feb77Unhealthy
Mar75Unhealthy
Apr67Unhealthy
May59Unhealthy
Jun49Poor
Jul43Poor
Aug42Poor
Sep53Poor
Oct65Unhealthy
Nov72Unhealthy
Dec74Unhealthy
Location & terrain

Where is Xi'an?

Xi'an sits at 34.3°N, 108.9°E, 416 m above sea level, in China. The nearest listed city is Luoyang, 325 km away.

LuoyangSongyangZhengzhouYinchuanChongqingZhangjiajieChengduWuhan

Topography around Xi'an

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

Within 3 km, the terrain around Xi'an has only modest variations in elevation — a maximum elevation change of 34 m around an average of 409 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 385 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,645 m.

The land around Xi'an is covered by artificial surfaces (91%) within 3 km, artificial surfaces (61%) within 16 km, and trees (42%) and cropland (41%) within 80 km.

3 km
34 m
16 km
385 m
80 km
2,645 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Luoyang 325 km · Songyang 377 km · Zhengzhou 436 km · Yinchuan 525 km · Chongqing 568 km · Zhangjiajie 589 km · Chengdu 606 km · Wuhan 646 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 Xi'an (34.2583°, 108.9286°, elevation 416 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. 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).