Cuernavaca weather in May

In May, Cuernavaca sees average daytime highs of 26°C and overnight lows near 13°C, with 139 mm of rain across 16.7 wet days and about 12.9 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 33% 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 Cuernavaca's 7th-clearest and 8th-windiest month. For the whole year in context, see Cuernavaca's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
13°
8th coldest
Rainfall
139 mm
16.7 wet days
Daylight
12 h 54 min
6:06 AM – 7:00 PM
Cloud cover
54%
7th clearest
Wind
5 km/h
8th windiest
Solar energy
6.81 kWh/m²
Travel score
5.7
out of 10

Cuernavaca is capital of the State of Morelos, Mexico.

Air quality
Elevated
PM2.5 19 µg/m³ · 2018
Density
2,240/km²
people per km²
Founded
1714

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 27°C in the first days to 25°C by the end.

A typical May day in Cuernavaca reaches about 26°C in the afternoon and slips back to 13°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12713
22713
32713
42713
52713
62713
72713
82713
92713
102713
112713
122713
132713
142613
152613
162613
172613
182613
192613
202613
212613
222613
232613
242613
252613
262613
272613
282613
292513
302513
312513

Cuernavaca weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 111.6118.4
Feb24° / 10211.48.8
Mar26° / 10°133.211.98.3
Apr27° / 12°326.712.47.2
May26° / 13°13916.712.95.7
Jun24° / 14°2592513.14.4
Jul24° / 13°20226.4134.3
Aug24° / 14°24227.612.64.2
Sep23° / 14°27126.412.14.1
Oct23° / 12°11616.311.65.9
Nov23° / 10°286.211.17.8
Dec22° / 71.310.98.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 26% of May, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26634
36634
46535
56436
66337
76337
86238
96139
106040
115941
125941
135941
145941
155941
165941
175941
185941
195842
205842
215743
225545
235545
245446
255446
265347
275149
285050
294951
304852
314753

Chance of precipitation in May

Any precipitation

Cuernavaca gets around 139 mm of rain over 16.7 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 54% 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 (%)
135
236
337
438
539
640
742
843
945
1047
1148
1250
1351
1453
1554
1655
1757
1858
1960
2061
2162
2263
2364
2464
2565
2665
2766
2866
2967
3068
3169

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
188120
287130
386140
484160
582180
680200
778220
876240
974260
1072280
1170300
1269310
1367330
1464351
1563361
1661381
1759401
1858411
1956431
2053452
2152462
2250482
2348493
2447503
2545523
2644533
2743534
2841554
2939574
3038575
3136595

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 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
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 6:14 AM to 6:03 AM, and sunset from 6:54 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:146:54
212.76:136:55
312.76:136:55
412.76:126:55
512.76:116:56
612.86:116:56
712.86:106:57
812.86:106:57
912.86:096:57
1012.86:096:58
1112.86:096:58
1212.86:086:58
1312.96:086:59
1412.96:076:59
1512.96:076:59
1612.96:067:00
1712.96:067:00
1812.96:067:01
1912.96:057:01
2012.96:057:01
2112.96:057:02
2213.06:057:02
2313.06:047:03
2413.06:047:03
2513.06:047:03
2613.06:047:04
2713.06:047:04
2813.06:037:05
2913.06:037:05
3013.06:037:05
3113.06:037:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.81 kWh/m².

For context, solar energy here swings from a low near 5 kWh/m² to a high of 7.12 kWh/m² in April across the year — May's 6.81 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
116.9Intense
126.9Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.7Intense
236.7Intense
246.7Intense
256.7Intense
266.7Intense
276.6Intense
286.6Intense
296.6Intense
306.5Intense
316.5Intense
Planning a trip in May

Hazard calendar for Cuernavaca

In seasonPeak

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

Cuernavaca's monsoon runs May–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 Cuernavaca?

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

5.7
Sightseeing
8th-best month of the year
5.6
Beach & pool
7th-best month of the year

May is a reasonable time to visit Cuernavaca for sightseeing.

What to pack for Cuernavaca in May

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

In May, Cuernavaca sees daytime highs around 26°C and nights near 13°C. Pack rain gear and sun protection. Worth having: light clothes. About 17 days see rain.

rain gearsun protectionlight clothes

UV index in Cuernavaca in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cuernavaca peaks around April 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highExtremeVery highApr 9UV 13Dec 14UV 7
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7Very high

Air quality in Cuernavaca 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 Cuernavaca is worst in November — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (April, 14 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Cuernavaca's WHO annual average of 19 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateNov 2125 µg/m³Apr 914 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb17Moderate
Mar14Moderate
Apr14Moderate
May19Moderate
Jun17Moderate
Jul17Moderate
Aug17Moderate
Sep20Moderate
Oct22Moderate
Nov25Moderate
Dec25Moderate
Location & terrain

Where is Cuernavaca?

Cuernavaca sits at 18.9°N, 99.2°W, 1,540 m above sea level, in Mexico. The nearest listed city is Tres de Mayo, 7.0 km away.

Topography around Cuernavaca

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

Within 3 km, the terrain around Cuernavaca has significant variations in elevation — a maximum elevation change of 331 m around an average of 1,543 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,328 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,726 m.

The land around Cuernavaca is covered by artificial surfaces (62%) and trees (28%) within 3 km, trees (49%) and shrubs (21%) within 16 km, and trees (46%) within 80 km.

3 km
331 m
16 km
2,328 m
80 km
4,726 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Tres de Mayo 7.0 km · Jiutepec 7.0 km · Temixco 8.0 km · Emiliano Zapata 11 km · Xochitepec 16 km · Yautepec 18 km · Santa Rosa Treinta 26 km · Xoxocotla 27 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 Cuernavaca (18.9261°, -99.2308°, elevation 1,540 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).