Ciudad Altamirano weather in May

In May, Ciudad Altamirano sees average daytime highs of 39°C and overnight lows near 25°C, with 13 mm of rain across 2.8 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 39°C through the month. The sky is clear or mostly clear about 57% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Ciudad Altamirano's 7th-clearest and 2nd-windiest month. For the whole year in context, see Ciudad Altamirano's year-round climate.

Daytime high
39°
1st warmest
Overnight low
25°
12th coldest
Rainfall
13 mm
2.8 wet days
Daylight
12 h 54 min
6:13 AM – 7:05 PM
Cloud cover
39%
7th clearest
Wind
5 km/h
2nd windiest
Solar energy
7.16 kWh/m²
Travel score
0.4
out of 10

Ciudad Altamirano is municipal seat of Pungarabato, State of Guerrero, Mexico.

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 39°C through the month.

A typical May day in Ciudad Altamirano reaches about 39°C in the afternoon and slips back to 25°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 37°C and 42°C. Set against its neighbours, May runs on par with April and about 4°C warmer than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
14024
24024
34024
44025
54025
64025
74025
84025
94025
104025
114025
124025
134025
144025
154025
164025
174026
184026
194026
203926
213926
223926
233926
243926
253926
263926
273926
283926
293926
303826
313826

How May really feels in Ciudad Altamirano

Once humidity and wind are folded in, May averages 31 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
31
31 feel dangerously hot (≥ 39°C)
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.

Ciudad Altamirano weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 19°141.3114.5
Feb35° / 20°90.911.43.3
Mar37° / 21°60.611.91.9
Apr39° / 23°00.212.40.5
May39° / 25°132.812.90.4
Jun36° / 25°13415.313.11.7
Jul34° / 24°13517.4132.4
Aug34° / 24°13917.812.62.4
Sep33° / 24°17220.512.12.7
Oct33° / 23°8711.211.63.3
Nov34° / 21°172.411.13.8
Dec33° / 19°7110.94.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37525
47525
57525
67525
77624
87624
97624
107624
117624
127822
137822
147822
157822
167822
177822
187723
197624
207624
217525
227327
237228
247129
256931
266832
276733
286535
296436
306337
316139

Chance of precipitation in May

Any precipitation

Ciudad Altamirano gets around 13 mm of rain over 2.8 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 9% and peaks near 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
11
22
32
42
53
63
73
84
94
104
115
125
136
146
156
167
177
188
199
2010
2111
2212
2313
2415
2516
2618
2719
2821
2922
3024
3126

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
16528610
26229720
36130720
45930830
55731930
656311030
753321140
850331340
948331440
1046341650
1143341750
1241341960
1339342160
1436342270
1534342480
1632342590
17303327100
18283328110
19273129120
20253031140
21232932161
22222733171
23202633201
24192533221
25172334242
26162234262
27152134283
28132034303
29121834324
30111734335
31101633356

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 42 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 18 minutes over May. Sunrise moves from 6:20 AM to 6:10 AM, and sunset from 7:00 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:207:00
212.76:207:00
312.76:197:00
412.76:187:01
512.76:187:01
612.76:177:01
712.76:177:02
812.86:167:02
912.86:167:02
1012.86:167:03
1112.86:157:03
1212.86:157:03
1312.86:147:04
1412.86:147:04
1512.86:137:04
1612.96:137:05
1712.96:137:05
1812.96:127:06
1912.96:127:06
2012.96:127:06
2112.96:127:07
2212.96:117:07
2312.96:117:07
2412.96:117:08
2513.06:117:08
2613.06:107:09
2713.06:107:09
2813.06:107:09
2913.06:107:10
3013.06:107:10
3113.06:107:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.16 kWh/m².

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 7.47 kWh/m² in April across the year — May's 7.16 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.4Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.2Intense
157.2Intense
167.2Intense
177.2Intense
187.2Intense
197.1Intense
207.1Intense
217.0Intense
227.0Intense
237.0Intense
246.9Intense
256.9Intense
266.8Intense
276.8Intense
286.7Intense
296.7Intense
306.6Intense
316.5Intense
Planning a trip in May

Hazard calendar for Ciudad Altamirano

In seasonPeak

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

Ciudad Altamirano's rainy season runs June–October, 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 Ciudad Altamirano?

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

0.4
Sightseeing
12th-best month of the year
3.4
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Ciudad Altamirano.

What to pack for Ciudad Altamirano in May

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

In May, Ciudad Altamirano sees daytime highs around 39°C and nights near 25°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Ciudad Altamirano 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 Ciudad Altamirano peaks around March 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighMar 23UV 12Dec 14UV 7
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr12Extreme
May10Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Extreme
Oct9Very high
Nov7Very high
Dec7High

Air quality in Ciudad Altamirano 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 Ciudad Altamirano is worst in May — around 42 µg/m³ PM2.5 (poor), about 4.5× the cleanest month (February, 9 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateMay 1540 µg/m³Feb 1810 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb9Good
Mar11Good
Apr26Moderate
May42Poor
Jun15Moderate
Jul14Moderate
Aug13Moderate
Sep14Moderate
Oct17Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Ciudad Altamirano?

Ciudad Altamirano sits at 18.4°N, 100.7°W, 250 m above sea level, in Mexico. The nearest listed city is Huetamo de Núñez, 38 km away.

Topography around Ciudad Altamirano

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

Within 3 km, the terrain around Ciudad Altamirano has significant variations in elevation — a maximum elevation change of 271 m around an average of 250 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,198 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,692 m.

The land around Ciudad Altamirano is covered by cropland (35%), trees (20%) and artificial surfaces (20%) within 3 km, trees (34%), shrubs (27%) and cropland (24%) within 16 km, and trees (56%) and shrubs (28%) within 80 km.

3 km
271 m
16 km
1,198 m
80 km
2,692 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Huetamo de Núñez 38 km · Arcelia 41 km · Tejupilco de Hidalgo 82 km · Teloloapan 84 km · Tuzantla 95 km · Valle de Bravo 109 km · Petatlán 111 km · Taxco de Alarcón 114 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 Ciudad Altamirano (18.3582°, -100.6697°, elevation 250 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).