Xonacatlán weather in May

In May, Xonacatlán sees average daytime highs of 23°C and overnight lows near 9°C, with 91 mm of rain across 13.8 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 23°C through the month. The sky is clear or mostly clear about 25% 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 h 06 min by month's end. Set against the rest of the year, May is Xonacatlán's 7th-clearest and 5th-windiest month. For the whole year in context, see Xonacatlán's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
8th coldest
Rainfall
91 mm
13.8 wet days
Daylight
12 h 54 min
6:07 AM – 7:02 PM
Cloud cover
56%
7th clearest
Wind
6 km/h
5th windiest
Solar energy
6.78 kWh/m²
Travel score
6.3
out of 10

Xonacatlán is municipal seat of Xonacatlán, State of Mexico, 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 23°C through the month.

A typical May day in Xonacatlán reaches about 23°C in the afternoon and slips back to 9°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°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)
1238
2238
3238
4238
5238
6238
7238
8238
9238
10238
11239
12239
13239
14239
15239
16239
17239
18239
19239
20239
21239
22239
23239
24239
25239
26239
27239
28239
29239
30239
312310

Xonacatlán 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
Jan18° / 194117.2
Feb20° / 174.111.37.6
Mar22° / 245.811.97.7
Apr23° / 448.812.47.2
May23° / 9113.812.96.3
Jun22° / 10°2111913.15.0
Jul20° / 10°23825.913.14.0
Aug20° / 10°23024.612.74.1
Sep20° / 10°21421.812.14.4
Oct19° / 9713.511.65.6
Nov19° / 295.511.16.9
Dec19° / 132.510.97.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 30% of May, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35743
45644
55545
65545
75545
85446
95446
105545
115545
125545
135644
145644
155644
165743
175743
185842
195842
205842
215743
225644
235644
245545
255446
265347
275248
285149
294951
304951
314852

Chance of precipitation in May

Any precipitation

Xonacatlán gets around 91 mm of rain over 13.8 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 44% and peaks near 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
138
239
340
442
543
645
746
847
948
1048
1148
1248
1348
1447
1547
1646
1745
1844
1944
2043
2142
2242
2342
2442
2542
2642
2743
2844
2944
3045
3146

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 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
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 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 6:14 AM to 6:03 AM, and sunset from 6:56 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:146:56
212.76:146:57
312.76:136:57
412.76:136:57
512.86:126:58
612.86:126:58
712.86:116:58
812.86:106:59
912.86:106:59
1012.86:096:59
1112.86:097:00
1212.96:097:00
1312.96:087:01
1412.96:087:01
1512.96:077:01
1612.96:077:02
1712.96:077:02
1812.96:067:03
1913.06:067:03
2013.06:067:03
2113.06:057:04
2213.06:057:04
2313.06:057:05
2413.06:047:05
2513.06:047:05
2613.06:047:06
2713.06:047:06
2813.06:047:07
2913.16:047:07
3013.16:037:07
3113.16:037:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.78 kWh/m².

For context, solar energy here swings from a low near 4.91 kWh/m² to a high of 7.08 kWh/m² in April across the year — May's 6.78 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
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
276.7Intense
286.6Intense
296.6Intense
306.6Intense
316.5Intense
Planning a trip in May

Hazard calendar for Xonacatlán

In seasonPeak

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

Xonacatlán'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 Xonacatlán?

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

6.3
Sightseeing
7th-best month of the year
4.9
Beach & pool
3rd-best month of the year

May is a reasonable time to visit Xonacatlán for sightseeing.

What to pack for Xonacatlán in May

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

In May, Xonacatlán sees daytime highs around 23°C and nights near 9°C. Pack sun protection. Worth having: light clothes and rain gear. About 14 days see rain.

sun protectionlight clothesrain gear

UV index in Xonacatlán in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Xonacatlán peaks around March 24 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 highExtremeVery highMar 24UV 14Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun15Extreme
Jul12Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Xonacatlán 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 Xonacatlán is worst in December — around 79 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 1078 µg/m³Apr 1353 µg/m³
PM2.5 (µg/m³)Level
Jan67Unhealthy
Feb62Unhealthy
Mar55Poor
Apr52Poor
May57Unhealthy
Jun59Unhealthy
Jul69Unhealthy
Aug65Unhealthy
Sep70Unhealthy
Oct66Unhealthy
Nov77Unhealthy
Dec79Unhealthy
Location & terrain

Where is Xonacatlán?

Xonacatlán sits at 19.4°N, 99.5°W, 2,585 m above sea level, in Mexico. The nearest listed city is San José Guadalupe Otzacatipan, 9.0 km away.

Topography around Xonacatlán

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

Within 3 km, the terrain around Xonacatlán has only modest variations in elevation — a maximum elevation change of 128 m around an average of 2,581 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,205 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,666 m.

The land around Xonacatlán is covered by cropland (59%) and artificial surfaces (20%) within 3 km, trees (36%), cropland (27%) and artificial surfaces (20%) within 16 km, and trees (39%) and cropland (23%) within 80 km.

3 km
128 m
16 km
1,205 m
80 km
3,666 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: San José Guadalupe Otzacatipan 9.0 km · San Andrés Cuexcontitlán 11 km · San Mateo Otzacatipan 11 km · San Pedro Totoltepec 11 km · Santa María Totoltepec 13 km · Lerma de Villada 13 km · San Pablo Autopan 15 km · San Jerónimo 15 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 Xonacatlán (19.4051°, -99.5281°, elevation 2,585 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).