Acapulco weather in May

In May, Acapulco sees average daytime highs of 28°C and overnight lows near 27°C, with 23 mm of rain across 3.8 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 57% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Acapulco's 7th-clearest and 2nd-windiest month. For the whole year in context, see Acapulco's year-round climate.

Daytime high
28°
7th warmest
Overnight low
27°
11th coldest
Rainfall
23 mm
3.8 wet days
Daylight
12 h 48 min
6:12 AM – 6:59 PM
Cloud cover
40%
7th clearest
Wind
13 km/h
2nd windiest
Solar energy
6.9 kWh/m²
Travel score
7.1
out of 10

Acapulco is municipal seat of Acapulco, State of Guerrero, Mexico.

Density
350/km²
people per km²
Founded
1520

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 28°C through the month.

A typical May day in Acapulco reaches about 28°C in the afternoon and slips back to 27°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

24°26°28°30°32°151015202531
Avg high (°C)Avg low (°C)
12826
22826
32826
42827
52827
62827
72827
82827
92827
102827
112827
122827
132827
142827
152827
162827
172827
182827
192827
202827
212827
222827
232827
242827
252827
262827
272827
282827
292827
302827
312827

How May really feels in Acapulco

Once humidity and wind are folded in, May averages 18 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
18
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.

Acapulco weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 26°80.911.18.4
Feb27° / 25°30.311.48.7
Mar27° / 26°40.411.98.7
Apr27° / 26°00.112.48.6
May28° / 27°233.812.87.1
Jun29° / 27°22016.2134.7
Jul29° / 27°18116.312.94.5
Aug29° / 27°2661912.64.2
Sep28° / 26°31822.612.13.9
Oct28° / 26°19617.611.64.8
Nov28° / 27°324.511.26.9
Dec28° / 26°60.8118.3

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 14% of May, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37723
47723
57723
67723
77624
87624
97624
107525
117525
127525
137525
147426
157426
167426
177426
187228
197228
207129
217030
226832
236733
246535
256436
266337
276139
286040
295743
305644
315446

Chance of precipitation in May

Any precipitation

Acapulco gets around 23 mm of rain over 3.8 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 13% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
11
21
31
41
52
62
72
83
94
104
115
126
137
148
159
1610
1712
1813
1914
2016
2118
2219
2321
2423
2525
2627
2728
2830
2932
3034
3136

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
188012
287814
377815
467816
567618
657520
747422
847323
937225
1037126
1127127
1227028
1326929
1426830
1516930
1616831
1716831
1826632
1926632
2026533
2126533
2226533
2326533
2426533
2526533
2626533
2726533
2826434
2916534
3016534
3116435

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 6:19 AM to 6:09 AM, and sunset from 6:55 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:196:55
212.66:186:55
312.66:186:55
412.66:176:56
512.76:176:56
612.76:166:56
712.76:166:57
812.76:156:57
912.76:156:57
1012.76:156:57
1112.76:146:58
1212.76:146:58
1312.86:136:58
1412.86:136:59
1512.86:136:59
1612.86:126:59
1712.86:127:00
1812.86:127:00
1912.86:117:00
2012.86:117:01
2112.86:117:01
2212.86:117:02
2312.96:107:02
2412.96:107:02
2512.96:107:03
2612.96:107:03
2712.96:107:03
2812.96:107:04
2912.96:107:04
3012.96:097:04
3112.96:097:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.9 kWh/m².

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 7.31 kWh/m² in April across the year — May's 6.9 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.1Intense
107.1Intense
117.1Intense
127.1Intense
137.0Intense
147.0Intense
157.0Intense
166.9Intense
176.9Intense
186.9Intense
196.8Intense
206.8Intense
216.7Intense
226.7Intense
236.6Intense
246.6Intense
256.5Intense
266.5Intense
276.4Intense
286.4Intense
296.3Intense
306.3Intense
316.2Intense
Planning a trip in May

Hazard calendar for Acapulco

In seasonPeak

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

Acapulco sits in the eastern Pacific hurricane zone; the season peaks August–September.

Acapulco's monsoon runs June–October, when most of the year's rain falls.

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

Is May a good time to visit Acapulco?

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

7.1
Sightseeing
6th-best month of the year
8.1
Beach & pool
7th-best month of the year

May is one of the better times to visit Acapulco for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Acapulco in May

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

In May, Acapulco sees daytime highs around 28°C and nights near 27°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near Acapulco in May

The nearest coast averages about 29°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 30°C and coldest in March near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb28Warm
Mar28Warm
Apr28Warm
May29Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov30Tropical
Dec29Tropical

UV index in Acapulco 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 Acapulco peaks around March 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highMar 20UV 12Dec 13UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May10Very high
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Acapulco 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 Acapulco is worst in May — around 23 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (February, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1522 µg/m³Feb 125 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb5Good
Mar8Good
Apr16Moderate
May23Moderate
Jun12Good
Jul15Moderate
Aug12Good
Sep9Good
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Acapulco?

Acapulco sits at 16.8°N, 99.9°W, 16 m above sea level, in Mexico. The nearest listed city is Atoyac de Álvarez, 68 km away.

Topography around Acapulco

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

Within 3 km, the terrain around Acapulco has significant variations in elevation — a maximum elevation change of 357 m around an average of 39 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 934 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,534 m.

The land around Acapulco is covered by water (48%) and artificial surfaces (40%) within 3 km, water (53%) and trees (24%) within 16 km, and trees (48%) and water (36%) within 80 km.

3 km
357 m
16 km
934 m
80 km
3,534 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Atoyac de Álvarez 68 km · Técpan de Galeana 87 km · Ayutla de los Libres 87 km · Chilpancingo 89 km · Tixtla de Guerrero 97 km · Zumpango del Río 98 km · Chilapa de Álvarez 114 km · Ometepec 161 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 Acapulco (16.8494°, -99.9089°, elevation 16 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). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).