Nanning weather in May

In May, Nanning sees average daytime highs of 30°C and overnight lows near 24°C, with 227 mm of rain across 20.2 wet days and about 13.1 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 10% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 18 min by month's end. Set against the rest of the year, May is Nanning's 8th-clearest and 4th-windiest month. For the whole year in context, see Nanning's year-round climate.

Daytime high
30°
5th warmest
Overnight low
24°
8th coldest
Rainfall
227 mm
20.2 wet days
Daylight
13 h 06 min
6:10 AM – 7:16 PM
Cloud cover
75%
8th clearest
Wind
10 km/h
4th windiest
Solar energy
4.47 kWh/m²
Travel score
3.6
out of 10

Nanning is capital of Guangxi, China.

Air quality
Very high
PM2.5 36.4 µg/m³ · 2018
Density
174/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

Highs climb over the month, from about 29°C in the first days to 31°C by the end.

A typical May day in Nanning reaches about 30°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 34°C. Set against its neighbours, May runs about 3°C warmer than April and about 1°C cooler than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12922
22923
32923
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153024
163024
173024
183024
193024
203024
213024
223124
233124
243124
253124
263124
273124
283124
293124
303125
313125

How May really feels in Nanning

Once humidity and wind are folded in, May averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nanning weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 11°518.510.85.4
Feb19° / 13°378.211.25.9
Mar22° / 16°7712.711.85.9
Apr27° / 20°10614.212.55.4
May30° / 24°22720.213.13.6
Jun32° / 26°26222.613.42.7
Jul32° / 26°24521.813.32.7
Aug32° / 26°24622.312.82.7
Sep31° / 24°15714.712.13.9
Oct28° / 21°738.211.56.2
Nov24° / 17°567.810.97.2
Dec19° / 12°457.510.66.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43169
53169
63169
73268
83268
93169
103169
113070
123070
132971
142971
152971
162773
172773
182674
192575
202575
212575
222377
232278
242179
252080
262080
271981
281981
291882
301882
311684

Chance of precipitation in May

Any precipitation

Nanning gets around 227 mm of rain over 20.2 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 65% and peaks near 71% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
259
360
460
561
662
763
863
964
1065
1165
1265
1365
1465
1565
1665
1765
1865
1965
2065
2166
2266
2366
2466
2567
2667
2768
2869
2969
3070
3171

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10511234813
20410234814
30310234815
4039234817
5039234818
6028224720
7028224721
8028214623
9027214525
10027204426
11117204328
12117204130
13117204031
14117203933
15116193834
16116193736
17116193638
18116193539
19116183441
20116183342
21015173244
22015173145
23015163047
24015163049
25014153050
26014142952
27014132953
28013122955
29013112857
30003102859
31002102761

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 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
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 48 min at the start of May to 13 h 18 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 6:19 AM to 6:06 AM, and sunset from 7:09 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:197:09
212.96:187:09
312.96:187:10
412.96:177:10
512.96:167:11
612.96:167:11
712.96:157:12
813.06:147:12
913.06:147:13
1013.06:137:13
1113.06:137:13
1213.06:127:14
1313.06:127:14
1413.16:117:15
1513.16:117:15
1613.16:107:16
1713.16:107:16
1813.16:097:17
1913.16:097:17
2013.26:097:18
2113.26:087:18
2213.26:087:19
2313.26:077:19
2413.26:077:20
2513.26:077:20
2613.26:077:20
2713.26:067:21
2813.36:067:21
2913.36:067:22
3013.36:067:22
3113.36:067:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.47 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 4.79 kWh/m² in July across the year — May's 4.47 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in May

Hazard calendar for Nanning

In seasonPeak

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

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

Nanning'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 May a good time to visit Nanning?

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

3.6
Sightseeing
9th-best month of the year
5.1
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Nanning.

What to pack for Nanning in May

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

In May, Nanning sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. About 20 days see rain.

light clothesrain gear

UV index in Nanning 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 Nanning peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 highHighJul 13UV 11Jan 11UV 5
UV index (midday)Level
Jan5High
Feb7Very high
Mar9Very high
Apr7High
May9Very high
Jun11Extreme
Jul12Extreme
Aug10Very high
Sep8Very high
Oct8Very high
Nov6High
Dec6High

Air quality in Nanning 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 Nanning is worst in January — around 47 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (July, 22 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Nanning's WHO annual average of 36.4 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 1747 µg/m³Jul 1222 µg/m³
PM2.5 (µg/m³)Level
Jan47Poor
Feb45Poor
Mar46Poor
Apr42Poor
May31Moderate
Jun23Moderate
Jul22Moderate
Aug26Moderate
Sep34Moderate
Oct36Poor
Nov41Poor
Dec44Poor
Location & terrain

Where is Nanning?

Nanning sits at 22.8°N, 108.3°E, 91 m above sea level, in China. The nearest listed city is Móng Cái, 148 km away.

Topography around Nanning

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

Within 3 km, the terrain around Nanning has only modest variations in elevation — a maximum elevation change of 59 m around an average of 81 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 300 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,709 m.

The land around Nanning is covered by artificial surfaces (77%) within 3 km, trees (47%) and artificial surfaces (33%) within 16 km, and trees (74%) and cropland (20%) within 80 km.

3 km
59 m
16 km
300 m
80 km
1,709 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Móng Cái 148 km · Thị Trấn Đầm Hà 179 km · Thị Trấn Trùng Khánh 184 km · Thị Trấn Na Dương 187 km · Thị Trấn Tiên Yên 190 km · Lạng Sơn 193 km · Thị Trấn Thất Khê 199 km · Thị Trấn Ba Chẽ 202 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 Nanning (22.8167°, 108.3167°, elevation 91 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). 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).