Jiayuguan weather in July

In July, Jiayuguan sees average daytime highs of 27°C and overnight lows near 16°C, with 25 mm of rain across 5.2 wet days and about 14.5 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 50% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of July to 14 h 12 min by month's end. Set against the rest of the year, July is Jiayuguan's 7th-clearest and 4th-windiest month. For the whole year in context, see Jiayuguan's year-round climate.

Daytime high
27°
1st warmest
Overnight low
16°
12th coldest
Rainfall
25 mm
5.2 wet days
Daylight
14 h 36 min
6:16 AM – 8:49 PM
Cloud cover
46%
7th clearest
Wind
9 km/h
4th windiest
Solar energy
6.64 kWh/m²
Travel score
7.5
out of 10

Jiayuguan is prefecture-level city in Gansu, China.

Air quality
High
PM2.5 25.9 µg/m³ · 2019
Density
189/km²
people per km²
Founded
1965

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

← JuneJiayuguan year-round climateAugust →Best places to visit in July
JanFebMarAprMayJunJulAugSepOctNovDec

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical July day in Jiayuguan reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, July runs about 2°C warmer than June and about 1°C warmer than August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12615
22615
32615
42615
52615
62615
72615
82615
92616
102616
112616
122616
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282716
292716
302716
312716

How July really feels in Jiayuguan

Once humidity and wind are folded in, July 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 ≤ 0°C
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Jiayuguan weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -13°31.11.79.50.0
Feb1° / -10°31.11.510.40.0
Mar8° / -4°102.32.211.71.6
Apr15° / 3°92.30.8135.7
May21° / 9°153.90.214.27.4
Jun25° / 14°204.2014.87.8
Jul27° / 16°255.2014.57.5
Aug25° / 14°275.4013.67.8
Sep20° / 9°183.5012.37.6
Oct14° / 2°71.80.610.94.9
Nov5° / -5°51.61.79.80.7
Dec-2° / -11°41.41.89.20.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35644
45644
55644
65743
75743
85842
95941
105941
116139
126139
136139
146238
156337
166436
176436
186535
196634
206634
216832
226832
236931
246931
257129
267129
277129
287228
297327
307327
317228

Chance of precipitation in July

Any precipitation

Jiayuguan gets around 25 mm of rain over 5.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 16% and peaks near 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
118
218
318
418
518
618
718
817
917
1017
1117
1217
1317
1417
1517
1617
1717
1817
1917
2016
2116
2216
2316
2415
2515
2615
2714
2814
2914
3014
3114

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1973
2973
3973
4973
5973
6973
7973
8973
9973
10964
11964
12964
13964
14955
15955
16955
17946
18946
19937
20937
21937
22928
23928
24928
25928
26928
27919
28919
29919
30919
31919

Wind in July

Winds average 9 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 48 min at the start of July to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 6:07 AM to 6:28 AM, and sunset from 8:54 PM to 8:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.86:078:54
214.86:078:54
314.86:078:54
414.86:088:54
514.76:088:53
614.76:098:53
714.76:108:53
814.76:108:53
914.76:118:52
1014.76:118:52
1114.76:128:52
1214.66:138:51
1314.66:138:51
1414.66:148:50
1514.66:158:50
1614.66:168:49
1714.56:168:49
1814.56:178:48
1914.56:188:48
2014.56:198:47
2114.46:208:46
2214.46:208:45
2314.46:218:45
2414.46:228:44
2514.36:238:43
2614.36:248:42
2714.36:258:41
2814.26:268:41
2914.26:268:40
3014.26:278:39
3114.26:288:38

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.64 kWh/m².

For context, solar energy here swings from a low near 2.5 kWh/m² to a high of 6.89 kWh/m² in June across the year — July's 6.64 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.5Intense
316.5Intense
Planning a trip in July

Hazard calendar for Jiayuguan

In seasonPeak

In July, Jiayuguan sits inside its dust season. The full year is below, with each hazard's peak months called out.

Jiayuguan sees seasonal dust haze (March–October), heaviest in May.

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

Is July a good time to visit Jiayuguan?

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

7.5
Sightseeing
4th-best month of the year
7.4
Beach & pool
1st-best month of the year

July is one of the better times to visit Jiayuguan for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Jiayuguan in July

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

In July, Jiayuguan sees daytime highs around 27°C and nights near 16°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.

sun protectionlight clothes

UV index in Jiayuguan in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jiayuguan peaks around July 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateLowJul 14UV 10Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Very high
Jul11Extreme
Aug9Very high
Sep8Very high
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Jiayuguan in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Jiayuguan is worst in May — around 39 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (December, 15 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Jiayuguan's WHO annual average of 25.9 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1039 µg/m³Dec 1816 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar37Poor
Apr39Poor
May39Poor
Jun25Moderate
Jul22Moderate
Aug26Moderate
Sep22Moderate
Oct26Moderate
Nov21Moderate
Dec15Moderate
Location & terrain

Where is Jiayuguan?

Jiayuguan sits at 39.8°N, 98.3°E, 1,635 m above sea level, in China. The nearest listed city is Dunhuang, 309 km away.

DunhuangBogdHovdDalandzadgadYinchuanBayanhongorAltaiArvayheer

Topography around Jiayuguan

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

Within 3 km, the terrain around Jiayuguan has only modest variations in elevation — a maximum elevation change of 90 m around an average of 1,636 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 748 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,337 m.

The land around Jiayuguan is covered by artificial surfaces (57%) and bare terrain (32%) within 3 km, bare terrain (75%) within 16 km, and bare terrain (70%) within 80 km.

3 km
90 m
16 km
748 m
80 km
4,337 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater
← JuneJiayuguan year-round climateAugust →Best places to visit in July
July weather nearby: Dunhuang 309 km · Bogd 628 km · Hovd 636 km · Dalandzadgad 659 km · Yinchuan 705 km · Bayanhongor 737 km · Altai 748 km · Arvayheer 805 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 Jiayuguan (39.8112°, 98.2862°, elevation 1,635 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).