Zhengzhou weather in May

In May, Zhengzhou sees average daytime highs of 27°C and overnight lows near 17°C, with 58 mm of rain across 6.3 wet days and about 13.8 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 30°C by the end. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 06 min by month's end. Set against the rest of the year, May is Zhengzhou's 11th-clearest and 3rd-windiest month. For the whole year in context, see Zhengzhou's year-round climate.

Daytime high
27°
4th warmest
Overnight low
17°
8th coldest
Rainfall
58 mm
6.3 wet days
Daylight
13 h 48 min
5:27 AM – 7:16 PM
Cloud cover
62%
11th clearest
Wind
11 km/h
3rd windiest
Solar energy
5.84 kWh/m²
Travel score
6.6
out of 10

Zhengzhou is capital of Henan province, China.

Air quality
Severe
PM2.5 68.6 µg/m³ · 2018
Density
562/km²
people per km²
Founded
~1550 BCE

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 30°C by the end.

A typical May day in Zhengzhou reaches about 27°C in the afternoon and slips back to 17°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 33°C. Set against its neighbours, May runs about 6°C warmer than April and about 4°C cooler than June.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42615
52615
62615
72615
82616
92616
102616
112616
122716
132716
142717
152717
162717
172817
182817
192817
202818
212818
222918
232918
242918
252918
262919
272919
283019
293019
303019
313019

How May really feels in Zhengzhou

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.

Zhengzhou weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°102.31.99.90.3
Feb / -0°152.81.510.72.3
Mar15° / 254.50.711.75.3
Apr22° / 11°364.80.112.87.3
May27° / 17°586.3013.86.6
Jun32° / 22°867.3014.34.4
Jul32° / 24°18214.3014.13.7
Aug30° / 23°14613.8013.34.5
Sep26° / 18°838.6012.26.7
Oct21° / 12°424.9011.17.4
Nov14° / 304.60.810.24.6
Dec / -1°102.31.39.71.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34753
44555
54555
64456
74357
84357
94357
104258
114159
124159
134159
144159
154159
164159
174258
184258
194159
204258
214159
224258
234159
244258
254159
264258
274258
284258
294258
304357
314357

Chance of precipitation in May

Any precipitation

Zhengzhou gets around 58 mm of rain over 6.3 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 20% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
220
321
422
522
622
723
823
923
1023
1123
1223
1322
1422
1522
1621
1721
1820
1920
2019
2119
2218
2318
2417
2517
2617
2717
2817
2917
3017
3118

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
16821830
26622930
36622930
464231030
562241130
662241130
761251130
860251230
959261230
1058271230
1156271340
1255281340
1355281340
1454281440
1553291440
1652291540
1751301540
1849301640
1948301740
2047311840
2146311940
2244312050
2343312150
2442312250
2540312350
2639312460
2737322560
2836322670
2934322771
3032322871
3130322981

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:41 AM to 5:19 AM, and sunset from 7:04 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:417:04
213.45:407:05
313.45:397:06
413.55:387:06
513.55:377:07
613.55:367:08
713.65:357:09
813.65:347:10
913.65:337:10
1013.75:327:11
1113.75:317:12
1213.75:307:13
1313.75:307:14
1413.85:297:14
1513.85:287:15
1613.85:277:16
1713.85:267:17
1813.95:267:18
1913.95:257:18
2013.95:247:19
2113.95:247:20
2214.05:237:21
2314.05:237:21
2414.05:227:22
2514.05:217:23
2614.05:217:24
2714.15:207:24
2814.15:207:25
2914.15:197:26
3014.15:197:26
3114.15:197:27

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.84 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 6.03 kWh/m² in June across the year — May's 5.84 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for Zhengzhou

In seasonPeak

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

Zhengzhou's rainy season runs June–September, when most of the year's rain falls.

Zhengzhou 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 May a good time to visit Zhengzhou?

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

6.6
Sightseeing
4th-best month of the year
7.1
Beach & pool
1st-best month of the year

May is a reasonable time to visit Zhengzhou for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Zhengzhou in May

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

In May, Zhengzhou sees daytime highs around 27°C and nights near 17°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.

light clothessun protection

UV index in Zhengzhou in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Zhengzhou peaks around May 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateMay 20UV 9Jan 10UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar6High
Apr5High
May9Very high
Jun8Very high
Jul8Very high
Aug7High
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Moderate

Air quality in Zhengzhou 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 Zhengzhou is worst in January — around 105 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (July, 40 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Zhengzhou's WHO annual average of 68.6 µg/m³.

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 15103 µg/m³Jul 1840 µg/m³
PM2.5 (µg/m³)Level
Jan105Unhealthy
Feb87Unhealthy
Mar76Unhealthy
Apr64Unhealthy
May53Poor
Jun47Poor
Jul40Poor
Aug45Poor
Sep59Unhealthy
Oct74Unhealthy
Nov81Unhealthy
Dec93Unhealthy
Location & terrain

Where is Zhengzhou?

Zhengzhou sits at 34.8°N, 113.6°E, 104 m above sea level, in China. The nearest listed city is Songyang, 66 km away.

JinanXi'anWuhanNanjingTianjinDatong

Topography around Zhengzhou

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

Within 3 km, the terrain around Zhengzhou has only modest variations in elevation — a maximum elevation change of 37 m around an average of 105 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 205 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,415 m.

The land around Zhengzhou is covered by artificial surfaces (87%) within 3 km, artificial surfaces (54%) within 16 km, and cropland (62%) within 80 km.

3 km
37 m
16 km
205 m
80 km
1,415 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Songyang 66 km · Luoyang 111 km · Jinan 369 km · Xi'an 436 km · Wuhan 468 km · Nanjing 562 km · Tianjin 580 km · Datong 594 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 Zhengzhou (34.7578°, 113.6486°, elevation 104 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).