Atotonilco el Alto weather in May

In May, Atotonilco el Alto sees average daytime highs of 32°C and overnight lows near 15°C, with 26 mm of rain across 5.1 wet days and about 13 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 55% 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 Atotonilco el Alto's 7th-clearest and 3rd-windiest month. For the whole year in context, see Atotonilco el Alto's year-round climate.

Daytime high
32°
1st warmest
Overnight low
15°
9th coldest
Rainfall
26 mm
5.1 wet days
Daylight
13 hours
6:17 AM – 7:15 PM
Cloud cover
40%
7th clearest
Wind
7 km/h
3rd windiest
Solar energy
7.34 kWh/m²
Travel score
4.9
out of 10

Atotonilco el Alto is municipal seat of Atotonilco, State of Jalisco, Mexico.

Density
4,134/km²
people per km²
Founded
1530

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 32°C through the month.

A typical May day in Atotonilco el Alto reaches about 32°C in the afternoon and slips back to 15°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, May runs about 1°C warmer than April and about 2°C warmer than June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13114
23114
33114
43114
53115
63115
73215
83215
93215
103215
113215
123215
133215
143215
153215
163215
173216
183216
193216
203216
213216
223216
233216
243216
253216
263216
273216
283216
293216
303116
313116

Atotonilco el Alto weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 141.810.98.7
Feb26° / 10°91.311.38.6
Mar28° / 11°70.911.97.8
Apr30° / 13°40.912.56.1
May32° / 15°265.1134.9
Jun30° / 17°14518.313.24.1
Jul27° / 16°20324.413.14.4
Aug27° / 16°17622.412.74.6
Sep27° / 15°15018.912.15.0
Oct27° / 14°498.411.56.8
Nov26° / 11°112.2118.4
Dec24° / 5110.88.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37327
47327
57327
67426
77426
87426
97426
107525
117525
127525
137624
147624
157624
167723
177624
187624
197624
207624
217624
227723
237624
247624
257525
267525
277426
287327
297327
307129
317030

Chance of precipitation in May

Any precipitation

Atotonilco el Alto gets around 26 mm of rain over 5.1 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 17% and peaks near 32% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
17
27
38
49
510
610
711
812
913
1013
1113
1214
1314
1414
1514
1615
1715
1816
1916
2017
2118
2219
2320
2421
2523
2624
2725
2827
2929
3031
3132

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39820
49820
59730
69730
79640
89640
99550
109550
119451
129361
139361
149271
159271
169181
179091
1889101
1988111
2087121
2186131
2283152
2382162
2480182
2578193
2676213
2774224
2871245
2969256
3066277
3164288

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
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 6:25 AM to 6:13 AM, and sunset from 7:09 PM to 7:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:257:09
212.86:247:10
312.86:247:10
412.86:237:11
512.86:237:11
612.86:227:11
712.86:217:12
812.96:217:12
912.96:207:13
1012.96:207:13
1112.96:197:13
1212.96:197:14
1312.96:187:14
1412.96:187:15
1513.06:177:15
1613.06:177:15
1713.06:177:16
1813.06:167:16
1913.06:167:17
2013.06:167:17
2113.06:157:18
2213.16:157:18
2313.16:157:18
2413.16:147:19
2513.16:147:19
2613.16:147:20
2713.16:147:20
2813.16:147:21
2913.16:137:21
3013.16:137:21
3113.16:137:22

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.34 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 7.55 kWh/m² in April across the year — May's 7.34 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.4Intense
167.4Intense
177.4Intense
187.3Intense
197.3Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.2Intense
257.2Intense
267.2Intense
277.1Intense
287.1Intense
297.0Intense
307.0Intense
316.9Intense
Planning a trip in May

Hazard calendar for Atotonilco el Alto

In seasonPeak

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

Atotonilco el Alto'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 Atotonilco el Alto?

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

4.9
Sightseeing
9th-best month of the year
7.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Atotonilco el Alto for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Atotonilco el Alto in May

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

In May, Atotonilco el Alto sees daytime highs around 32°C and nights near 15°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Atotonilco el Alto in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Atotonilco el Alto peaks around May 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highMay 21UV 14Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May14Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Atotonilco el Alto 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 Atotonilco el Alto is worst in May — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1032 µg/m³Jul 2015 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb20Moderate
Mar21Moderate
Apr31Moderate
May32Moderate
Jun17Moderate
Jul15Moderate
Aug16Moderate
Sep18Moderate
Oct18Moderate
Nov20Moderate
Dec25Moderate
Location & terrain

Where is Atotonilco el Alto?

Atotonilco el Alto sits at 20.6°N, 102.5°W, 1,604 m above sea level, in Mexico. The nearest listed city is Arandas, 24 km away.

Topography around Atotonilco el Alto

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

Within 3 km, the terrain around Atotonilco el Alto has significant variations in elevation — a maximum elevation change of 378 m around an average of 1,718 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 575 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,730 m.

The land around Atotonilco el Alto is covered by trees (41%) within 3 km, cropland (43%) and trees (31%) within 16 km, and cropland (37%) and grassland (20%) within 80 km.

3 km
378 m
16 km
575 m
80 km
1,730 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Arandas 24 km · La Barca 29 km · Yurécuaro 33 km · Ocotlán 35 km · Jamay 35 km · Tepatitlán de Morelos 40 km · San Miguel el Alto 54 km · La Piedad de Cabadas 56 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 Atotonilco el Alto (20.5508°, -102.5082°, elevation 1,604 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).