Guiyang weather in May

In May, Guiyang sees average daytime highs of 23°C and overnight lows near 16°C, with 191 mm of rain across 19.3 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 11% of the time in May, and the air most often feels humid.

Daylight stretches from about 13 hours at the start of May to 13 h 30 min by month's end. Set against the rest of the year, May is Guiyang's 4th-clearest and 4th-windiest month. For the whole year in context, see Guiyang's year-round climate.

Daytime high
23°
5th warmest
Overnight low
16°
8th coldest
Rainfall
191 mm
19.3 wet days
Daylight
13 h 18 min
6:10 AM – 7:28 PM
Cloud cover
77%
4th clearest
Wind
12 km/h
4th windiest
Solar energy
4.05 kWh/m²
Travel score
5.2
out of 10

Guiyang is capital of Guizhou province, China.

Air quality
High
PM2.5 31.7 µg/m³ · 2018
Density
378/km²
people per km²

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical May day in Guiyang reaches about 23°C in the afternoon and slips back to 16°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 28°C. Set against its neighbours, May runs about 3°C warmer than April and about 2°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52315
62315
72315
82315
92316
102316
112316
122316
132316
142316
152316
162316
172316
182316
192316
202316
212316
222316
232316
242317
252417
262417
272417
282417
292417
302417
312417

How May really feels in Guiyang

Once humidity and wind are folded in, May 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

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

Guiyang weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6714.43.710.51.1
Feb11° / 6013.71.811.12.2
Mar15° / 97190.311.83.5
Apr20° / 12°130190.112.64.7
May23° / 16°19119.3013.35.2
Jun25° / 19°23920.7013.64.8
Jul27° / 21°16817.7013.55.0
Aug27° / 20°12415.7012.95.4
Sep24° / 17°10112.4012.26.2
Oct19° / 13°10514.1011.45.4
Nov15° / 6311.50.110.74.3
Dec10° / 4811.61.210.42.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12476
22575
32674
42674
52674
62575
72575
82575
92575
102575
112476
122476
132476
142476
152476
162377
172377
182377
192377
202377
212377
222377
232377
242278
252179
262179
272179
282080
292080
301981
311981

Chance of precipitation in May

Any precipitation

Guiyang gets around 191 mm of rain over 19.3 wet days in May. 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 67% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
165
264
364
463
563
663
763
862
962
1062
1162
1262
1361
1461
1561
1661
1760
1860
1961
2061
2161
2261
2362
2462
2563
2663
2764
2865
2966
3067
3167

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 17% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
135263180
234263280
332263390
4312633100
5292734100
6282734110
7272834110
8262834120
9252934120
10243034130
11233033130
12223133140
13223232140
14213232150
15213332150
16203331150
17193431160
18183431160
19183431170
20173431180
21163431180
22163431190
23153331201
24143331211
25133232231
26123132241
27113033251
28102933271
2992834281
3082734301
3172535311

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

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

Days grow by about 30 minutes over May. Sunrise moves from 6:21 AM to 6:05 AM, and sunset from 7:20 PM to 7:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:217:20
213.06:207:21
313.06:197:21
413.16:187:22
513.16:177:22
613.16:177:23
713.16:167:23
813.16:157:24
913.26:157:25
1013.26:147:25
1113.26:137:26
1213.26:137:26
1313.26:127:27
1413.36:117:27
1513.36:117:28
1613.36:107:28
1713.36:107:29
1813.36:097:30
1913.46:097:30
2013.46:087:31
2113.46:087:31
2213.46:077:32
2313.46:077:32
2413.46:077:33
2513.56:067:33
2613.56:067:34
2713.56:067:34
2813.56:057:35
2913.56:057:35
3013.56:057:36
3113.56:057:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.05 kWh/m².

For context, solar energy here swings from a low near 1.86 kWh/m² to a high of 4.73 kWh/m² in August across the year — May's 4.05 kWh/m² sits near the top of that range.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.0Bright
174.0Bright
184.0Bright
194.0Bright
204.0Bright
214.0Bright
224.0Moderate
234.0Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Moderate
284.0Moderate
294.0Moderate
304.0Moderate
314.0Moderate
Planning a trip in May

Hazard calendar for Guiyang

In seasonPeak

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

Guiyang's rainy season runs April–August, when most of the year's rain falls.

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

Is May a good time to visit Guiyang?

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

5.2
Sightseeing
4th-best month of the year
4.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Guiyang for sightseeing.

What to pack for Guiyang in May

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

In May, Guiyang sees daytime highs around 23°C and nights near 16°C. Pack rain gear. Worth having: light clothes. About 19 days see rain.

rain gearlight clothes

UV index in Guiyang in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Guiyang peaks around July 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 13UV 12Dec 20UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr9Very high
May10Very high
Jun12Extreme
Jul13Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Guiyang in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Guiyang is worst in March — around 37 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

Seasonal pattern from CAMS reanalysis, scaled to Guiyang's WHO annual average of 31.7 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1737 µg/m³Jul 1625 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb35Poor
Mar37Poor
Apr35Poor
May32Moderate
Jun27Moderate
Jul24Moderate
Aug28Moderate
Sep30Moderate
Oct31Moderate
Nov34Moderate
Dec34Moderate
Location & terrain

Where is Guiyang?

Guiyang sits at 26.6°N, 106.7°E, 1,087 m above sea level, in China. The nearest listed city is Fenghuang, 322 km away.

ChongqingGuilinThị Trấn Trùng KhánhYangshuoThị Trấn Nước HaiKunmingCao Bằng

Topography around Guiyang

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

Within 3 km, the terrain around Guiyang has only modest variations in elevation — a maximum elevation change of 243 m around an average of 1,105 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 487 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,342 m.

The land around Guiyang is covered by artificial surfaces (68%) and trees (25%) within 3 km, trees (46%) and artificial surfaces (26%) within 16 km, and trees (68%) within 80 km.

3 km
243 m
16 km
487 m
80 km
1,342 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Fenghuang 322 km · Chongqing 331 km · Guilin 386 km · Thị Trấn Trùng Khánh 417 km · Yangshuo 428 km · Thị Trấn Nước Hai 431 km · Kunming 435 km · Cao Bằng 438 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 Guiyang (26.5833°, 106.7167°, elevation 1,087 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).