Zumpango del Río weather in May

In May, Zumpango del Río sees average daytime highs of 32°C and overnight lows near 19°C, with 75 mm of rain across 14.4 wet days and about 12.8 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 31°C by the end. The sky is clear or mostly clear about 39% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 12 h 36 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Zumpango del Río's 7th-clearest and 2nd-windiest month. For the whole year in context, see Zumpango del Río's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
19°
12th coldest
Rainfall
75 mm
14.4 wet days
Daylight
12 h 48 min
6:10 AM – 6:59 PM
Cloud cover
51%
7th clearest
Wind
5 km/h
2nd windiest
Solar energy
7 kWh/m²
Travel score
3.5
out of 10

Zumpango del Río is municipal seat of Eduardo Neri, State of Guerrero, Mexico.

Founded
1530

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 33°C in the first days to 31°C by the end.

A typical May day in Zumpango del Río reaches about 32°C in the afternoon and slips back to 19°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 35°C. Set against its neighbours, May runs about 1°C cooler than April and about 3°C warmer than June.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13319
23319
33319
43319
53319
63319
73319
83319
93319
103319
113319
123319
133319
143319
153320
163320
173220
183220
193220
203220
213220
223220
233220
243220
253220
263220
273120
283120
293120
303120
313120

How May really feels in Zumpango del Río

Once humidity and wind are folded in, May averages 22 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
22
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.

Zumpango del Río weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 14°131.711.17.8
Feb30° / 15°91.411.46.6
Mar32° / 16°102.511.95.3
Apr33° / 18°174.412.44.1
May32° / 19°7514.412.83.5
Jun29° / 19°20725.3133.2
Jul29° / 19°21327.4133.2
Aug29° / 19°24028.312.63.2
Sep28° / 19°22826.812.13.6
Oct29° / 18°10517.111.64.6
Nov29° / 16°285.811.26.3
Dec28° / 14°101.7117.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27030
36931
46832
56832
66733
76634
86535
96436
106436
116337
126337
136337
146337
156436
166337
176337
186337
196238
206139
216139
226040
235842
245743
255545
265446
275248
285149
294951
304753
314555

Chance of precipitation in May

Any precipitation

Zumpango del Río gets around 75 mm of rain over 14.4 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 46% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
124
225
326
428
529
631
732
834
936
1037
1139
1241
1342
1444
1545
1647
1748
1849
1951
2053
2154
2256
2357
2459
2560
2662
2763
2865
2966
3068
3169

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1583570
2563680
3543790
45238100
55038120
64839130
74639140
84440160
94240170
104041190
113841200
123642220
133442230
143343240
153143260
162944270
172744291
182643301
192443321
202342341
212141361
222040392
231839412
241738432
251537453
261436473
271334493
281233514
291131535
301029556
31927577

Wind in May

Winds average 5 km/h in May.

Across May, 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 May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 6:16 AM to 6:06 AM, and sunset from 6:54 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:166:54
212.66:166:54
312.76:156:55
412.76:156:55
512.76:146:55
612.76:146:56
712.76:136:56
812.76:136:56
912.76:126:57
1012.86:126:57
1112.86:116:57
1212.86:116:58
1312.86:116:58
1412.86:106:58
1512.86:106:59
1612.86:106:59
1712.86:096:59
1812.86:097:00
1912.96:097:00
2012.96:087:01
2112.96:087:01
2212.96:087:01
2312.96:087:02
2412.96:077:02
2512.96:077:02
2612.96:077:03
2712.96:077:03
2812.96:077:04
2913.06:077:04
3013.06:067:04
3113.06:067:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7 kWh/m².

For context, solar energy here swings from a low near 5.07 kWh/m² to a high of 7.41 kWh/m² in April across the year — May's 7 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.3Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.1Intense
147.1Intense
157.1Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
206.9Intense
216.9Intense
226.8Intense
236.8Intense
246.7Intense
256.7Intense
266.6Intense
276.6Intense
286.5Intense
296.5Intense
306.4Intense
316.3Intense
Planning a trip in May

Hazard calendar for Zumpango del Río

In seasonPeak

None of Zumpango del Río's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Zumpango del Río's monsoon runs June–September, when most of the year's rain falls.

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

Is May a good time to visit Zumpango del Río?

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

3.5
Sightseeing
9th-best month of the year
5.8
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Zumpango del Río.

What to pack for Zumpango del Río in May

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

In May, Zumpango del Río sees daytime highs around 32°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in Zumpango del Río 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 Zumpango del Río peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 23UV 13Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May10Very high
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Zumpango del Río 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 Zumpango del Río is worst in May — around 36 µg/m³ PM2.5 (poor), about 2.5× the cleanest month (March, 15 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1434 µg/m³Mar 1015 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb16Moderate
Mar15Moderate
Apr28Moderate
May36Poor
Jun19Moderate
Jul18Moderate
Aug17Moderate
Sep21Moderate
Oct28Moderate
Nov26Moderate
Dec24Moderate
Location & terrain

Where is Zumpango del Río?

Zumpango del Río sits at 17.7°N, 99.5°W, 1,040 m above sea level, in Mexico. The nearest listed city is Chilpancingo, 12 km away.

Topography around Zumpango del Río

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

Within 3 km, the terrain around Zumpango del Río has significant variations in elevation — a maximum elevation change of 391 m around an average of 1,134 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,158 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,502 m.

The land around Zumpango del Río is covered by shrubs (71%) within 3 km, shrubs (55%) and trees (33%) within 16 km, and trees (54%) and shrubs (33%) within 80 km.

3 km
391 m
16 km
2,158 m
80 km
3,502 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: Chilpancingo 12 km · Tixtla de Guerrero 17 km · Chilapa de Álvarez 38 km · Ciudad de Huitzuco 75 km · Iguala de la Independencia 77 km · Teloloapan 87 km · Ayutla de los Libres 89 km · Acapulco 98 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Zumpango del Río (17.6544°, -99.5272°, elevation 1,040 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).