Ajalpan weather in May

In May, Ajalpan sees average daytime highs of 25°C and overnight lows near 14°C, with 92 mm of rain across 17.4 wet days and about 12.9 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 26% of the time in May, and the air most often feels comfortable.

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 Ajalpan's 7th-clearest and 12th-windiest month. For the whole year in context, see Ajalpan's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
92 mm
17.4 wet days
Daylight
12 h 54 min
5:59 AM – 6:51 PM
Cloud cover
57%
7th clearest
Wind
6 km/h
12th windiest
Solar energy
6.61 kWh/m²
Travel score
5.8
out of 10

Ajalpan is municipal seat of Ajalpan, State of Puebla, 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 25°C through the month.

A typical May day in Ajalpan reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12613
22613
32613
42513
52513
62513
72513
82513
92514
102514
112514
122514
132514
142514
152514
162514
172514
182514
192514
202514
212514
222514
232514
242514
252514
262514
272514
282514
292514
302514
312414

Ajalpan 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
Jan20° / 144.2117.3
Feb22° / 134.211.47.8
Mar24° / 11°226.311.97.9
Apr25° / 13°4510.512.46.9
May25° / 14°9217.412.95.8
Jun24° / 14°15719.913.15.2
Jul23° / 13°10615.1135.9
Aug24° / 13°11316.512.65.8
Sep23° / 14°16119.612.15.1
Oct22° / 12°9814.311.65.9
Nov21° / 10°358.311.16.8
Dec20° / 134.110.97.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 28% of May, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26238
36238
46040
56040
65941
75842
85743
95644
105644
115545
125545
135545
145446
155446
165446
175446
185347
195347
205248
215149
225050
235149
244951
254951
264951
274852
284555
294456
304456
314159

Chance of precipitation in May

Any precipitation

Ajalpan gets around 92 mm of rain over 17.4 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 56% and peaks near 65% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
143
244
345
446
548
649
751
852
953
1055
1156
1257
1358
1458
1559
1659
1760
1860
1960
2060
2160
2260
2360
2460
2560
2661
2761
2862
2963
3064
3165

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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
154460
252480
351490
449501
547521
645541
743561
842571
940582
1039592
1138602
1237603
1336613
1435614
1534624
1633625
1732635
1831645
1930655
2029656
2128666
2227676
2326686
2425696
2524706
2623716
2722726
2820746
2919756
3018766
3117767

Wind in May

Winds average 6 km/h in May, the calmest month.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:07 AM to 5:56 AM, and sunset from 6:46 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:076:46
212.76:066:46
312.76:056:47
412.76:056:47
512.76:046:47
612.76:046:48
712.76:036:48
812.86:036:48
912.86:026:49
1012.86:026:49
1112.86:016:49
1212.86:016:50
1312.86:016:50
1412.86:006:50
1512.86:006:51
1612.95:596:51
1712.95:596:52
1812.95:596:52
1912.95:586:52
2012.95:586:53
2112.95:586:53
2212.95:586:53
2312.95:576:54
2413.05:576:54
2513.05:576:55
2613.05:576:55
2713.05:576:55
2813.05:566:56
2913.05:566:56
3013.05:566:56
3113.05:566:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.61 kWh/m².

For context, solar energy here swings from a low near 4.57 kWh/m² to a high of 6.88 kWh/m² in April across the year — May's 6.61 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.8Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Hazard calendar for Ajalpan

In seasonPeak

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

Ajalpan's rainy season runs May–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 Ajalpan?

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

5.8
Sightseeing
9th-best month of the year
5.2
Beach & pool
4th-best month of the year

May is a reasonable time to visit Ajalpan for sightseeing.

What to pack for Ajalpan in May

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

In May, Ajalpan sees daytime highs around 25°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 17 days see rain.

rain gearsun protectionlight clothes

UV index in Ajalpan 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 Ajalpan peaks around April 12 at about 14 (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 highExtremeExtremeVery highApr 12UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr15Extreme
May9Very high
Jun13Extreme
Jul12Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Ajalpan 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 Ajalpan is worst in May — around 38 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (January, 20 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateMay 1737 µg/m³Jan 2220 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb20Moderate
Mar23Moderate
Apr29Moderate
May38Poor
Jun30Moderate
Jul25Moderate
Aug22Moderate
Sep25Moderate
Oct22Moderate
Nov22Moderate
Dec23Moderate
Location & terrain

Where is Ajalpan?

Ajalpan sits at 18.4°N, 97.3°W, 1,223 m above sea level, in Mexico. The nearest listed city is Altepexi, 4.0 km away.

Topography around Ajalpan

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

Within 3 km, the terrain around Ajalpan has significant variations in elevation — a maximum elevation change of 271 m around an average of 1,226 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,948 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,498 m.

The land around Ajalpan is covered by shrubs (42%), cropland (23%) and artificial surfaces (20%) within 3 km, shrubs (61%) within 16 km, and shrubs (42%) and trees (37%) within 80 km.

3 km
271 m
16 km
1,948 m
80 km
5,498 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Altepexi 4.0 km · Zinacatepec 5.0 km · Tehuacán 17 km · Ciudad Mendoza 48 km · Nogales 51 km · Río Blanco 51 km · Orizaba 55 km · Ixtaczoquitlán 57 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 Ajalpan (18.3791°, -97.2587°, elevation 1,223 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).