San Agustín weather in May

In May, San Agustín sees average daytime highs of 32°C and overnight lows near 16°C, with 16 mm of rain across 4.4 wet days and about 13 hours of daylight. It is the 1st-warmest and 7th-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 56% 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 San Agustín's 5th-clearest and 3rd-windiest month. For the whole year in context, see San Agustín's year-round climate.

Daytime high
32°
1st warmest
Overnight low
16°
8th coldest
Rainfall
16 mm
4.4 wet days
Daylight
13 hours
6:21 AM – 7:19 PM
Cloud cover
40%
5th clearest
Wind
6 km/h
3rd windiest
Solar energy
7.46 kWh/m²
Travel score
4.5
out of 10

San Agustín is town in Tlajomulco Municipality, State of Jalisco, Mexico.

Density
1,449/km²
people per km²
Founded
1542

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 San Agustín reaches about 32°C in the afternoon and slips back to 16°C overnight — a 17°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°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)
13214
23214
33214
43215
53215
63215
73215
83215
93215
103215
113215
123215
133215
143215
153216
163216
173216
183216
193216
203216
213216
223216
233216
243216
253216
263217
273217
283217
293217
303217
313217

How May really feels in San Agustín

Once humidity and wind are folded in, May averages 31 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
31
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.

San Agustín weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 192.210.98.5
Feb27° / 10°14211.38.2
Mar29° / 11°71.211.97.0
Apr31° / 13°51.312.55.5
May32° / 16°164.4134.5
Jun30° / 18°11317.513.24.0
Jul28° / 17°18025.213.14.2
Aug27° / 17°15724.112.74.3
Sep27° / 17°13920.212.14.9
Oct27° / 15°508.311.56.8
Nov26° / 12°152.4118.2
Dec25° / 81.710.88.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% 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%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37327
47426
57426
67327
77426
87426
97327
107426
117426
127525
137525
147525
157624
167624
177723
187723
197723
207723
217723
227723
237723
247723
257624
267624
277624
287525
297426
307426
317327

Chance of precipitation in May

Any precipitation

San Agustín gets around 16 mm of rain over 4.4 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 15% and peaks near 27% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
18
28
39
410
511
611
712
812
913
1013
1113
1213
1313
1413
1513
1613
1713
1813
1913
2013
2114
2215
2315
2416
2518
2619
2720
2822
2923
3025
3127

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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19730
29640
39550
49460
59271
69271
79181
89091
99091
1089101
1189101
1289101
1388111
1488111
1588111
1688111
1787112
1886122
1986122
2085132
2184142
2282153
2380164
2479174
2577185
2675196
2772208
2870219
29662311
30632413
31612415

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

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
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 6:29 AM to 6:17 AM, and sunset from 7:13 PM to 7:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:297:13
212.86:287:14
312.86:287:14
412.86:277:14
512.86:267:15
612.86:267:15
712.86:257:16
812.96:257:16
912.96:247:16
1012.96:247:17
1112.96:237:17
1212.96:237:18
1312.96:227:18
1412.96:227:18
1513.06:217:19
1613.06:217:19
1713.06:217:20
1813.06:207:20
1913.06:207:21
2013.06:197:21
2113.06:197:21
2213.06:197:22
2313.16:197:22
2413.16:187:23
2513.16:187:23
2613.16:187:24
2713.16:187:24
2813.16:177:24
2913.16:177:25
3013.16:177:25
3113.16:177:26

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.46 kWh/m².

For context, solar energy here swings from a low near 4.74 kWh/m² to a high of 7.57 kWh/m² in April across the year — May's 7.46 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.6Intense
87.6Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.4Intense
207.4Intense
217.4Intense
227.4Intense
237.3Intense
247.3Intense
257.3Intense
267.2Intense
277.2Intense
287.2Intense
297.1Intense
307.1Intense
317.0Intense
Planning a trip in May

Hazard calendar for San Agustín

In seasonPeak

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

San Agustín's rainy season runs June–September, 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 San Agustín?

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

4.5
Sightseeing
9th-best month of the year
7.4
Beach & pool
6th-best month of the year

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

What to pack for San Agustín in May

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

In May, San Agustín sees daytime highs around 32°C and nights near 16°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in San Agustín 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 San Agustín peaks around May 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMay 10UV 14Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr14Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in San Agustín 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 San Agustín is worst in May — around 44 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (July, 14 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1342 µg/m³Jul 2114 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar20Moderate
Apr33Moderate
May44Poor
Jun17Moderate
Jul14Moderate
Aug15Moderate
Sep17Moderate
Oct17Moderate
Nov18Moderate
Dec21Moderate
Location & terrain

Where is San Agustín?

San Agustín sits at 20.5°N, 103.5°W, 1,590 m above sea level, in Mexico. The nearest listed city is Santa Anita, 2.0 km away.

Topography around San Agustín

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

Within 3 km, the terrain around San Agustín has only modest variations in elevation — a maximum elevation change of 216 m around an average of 1,610 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 804 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,409 m.

The land around San Agustín is covered by artificial surfaces (50%) within 3 km, trees (28%) and artificial surfaces (28%) within 16 km, and trees (36%) and cropland (20%) within 80 km.

3 km
216 m
16 km
804 m
80 km
2,409 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Santa Anita 2.0 km · San Sebastián el Grande 4.0 km · Lomas del Sur 8.0 km · Tlajomulco de Zúñiga 8.0 km · Hacienda Santa Fe 10 km · Las Pintas de Arriba 15 km · Las Pintitas 17 km · Guadalajara 19 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 San Agustín (20.5477°, -103.4671°, elevation 1,590 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).