Sayula weather in May

In May, Sayula sees average daytime highs of 30°C and overnight lows near 14°C, with 34 mm of rain across 6.7 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 49% 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 Sayula's 7th-clearest and 5th-windiest month. For the whole year in context, see Sayula's year-round climate.

Daytime high
30°
1st warmest
Overnight low
14°
8th coldest
Rainfall
34 mm
6.7 wet days
Daylight
12 h 54 min
6:22 AM – 7:19 PM
Cloud cover
44%
7th clearest
Wind
5 km/h
5th windiest
Solar energy
7.17 kWh/m²
Travel score
5.5
out of 10

Sayula is municipal seat of Sayula, State of Jalisco, Mexico.

Density
3,152/km²
people per km²

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 30°C through the month.

A typical May day in Sayula reaches about 30°C in the afternoon and slips back to 14°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, May runs on par with April and about 3°C warmer than June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13013
23013
33013
43013
53013
63013
73013
83014
93014
103014
113014
123014
133014
143014
153014
163014
173014
183014
193014
203014
213015
223015
233015
243015
253015
263015
273015
283015
293015
303015
313015

Sayula 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
Jan23° / 272.710.98.4
Feb25° / 182.511.38.4
Mar27° / 10°142.111.98.0
Apr30° / 12°7212.46.5
May30° / 14°346.712.95.5
Jun28° / 16°13018.313.24.8
Jul26° / 15°16223.713.14.5
Aug26° / 15°14523.512.74.6
Sep25° / 15°1352012.15.0
Oct26° / 14°6510.711.56.6
Nov25° / 11°24411.18.2
Dec24° / 122.110.88.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47327
57327
67327
77228
87327
97327
107228
117228
127327
137327
147426
157327
167426
177426
187426
197327
207327
217327
227228
237228
247228
257129
267129
277030
287030
296931
306733
316634

Chance of precipitation in May

Any precipitation

Sayula gets around 34 mm of rain over 6.7 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 22% and peaks near 35% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
112
213
314
415
516
617
717
818
919
1019
1119
1220
1320
1420
1520
1620
1721
1821
1922
2022
2123
2224
2325
2425
2526
2627
2729
2830
2931
3033
3135

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19640
29550
39460
49370
59280
69091
789101
889101
988111
1087121
1186131
1284142
1383152
1482162
1581172
1680182
1778193
1877203
1974224
2073234
2170255
2268266
2365287
2462308
2559329
26563410
27543511
28513712
29483814
30454016
31424117

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 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 6:30 AM to 6:19 AM, and sunset from 7:13 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:307:13
212.76:307:13
312.76:297:14
412.86:287:14
512.86:287:15
612.86:277:15
712.86:277:15
812.86:267:16
912.86:267:16
1012.96:257:16
1112.96:257:17
1212.96:247:17
1312.96:247:18
1412.96:237:18
1512.96:237:18
1612.96:227:19
1713.06:227:19
1813.06:227:20
1913.06:217:20
2013.06:217:20
2113.06:217:21
2213.06:207:21
2313.06:207:22
2413.06:207:22
2513.06:207:22
2613.16:207:23
2713.16:197:23
2813.16:197:24
2913.16:197:24
3013.16:197:25
3113.16:197:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.17 kWh/m².

For context, solar energy here swings from a low near 4.75 kWh/m² to a high of 7.5 kWh/m² in April across the year — May's 7.17 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.2Intense
157.2Intense
167.2Intense
177.2Intense
187.2Intense
197.1Intense
207.1Intense
217.1Intense
227.0Intense
237.0Intense
247.0Intense
256.9Intense
266.9Intense
276.8Intense
286.8Intense
296.7Intense
306.6Intense
316.6Intense
Planning a trip in May

Hazard calendar for Sayula

In seasonPeak

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

Sayula'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 Sayula?

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

5.5
Sightseeing
8th-best month of the year
7.5
Beach & pool
4th-best month of the year

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

What to pack for Sayula in May

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

In May, Sayula sees daytime highs around 30°C and nights near 14°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Sayula 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 Sayula peaks around May 12 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 12UV 14Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr14Extreme
May14Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Sayula 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 Sayula 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 Sayula?

Sayula sits at 19.9°N, 103.6°W, 1,351 m above sea level, in Mexico. The nearest listed city is Ciudad Guzmán, 25 km away.

Topography around Sayula

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

Within 3 km, the terrain around Sayula has significant variations in elevation — a maximum elevation change of 504 m around an average of 1,403 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,349 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,910 m.

The land around Sayula is covered by cropland (26%), grassland (23%) and trees (21%) within 3 km, trees (42%) and grassland (25%) within 16 km, and trees (53%) within 80 km.

3 km
504 m
16 km
1,349 m
80 km
3,910 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ciudad Guzmán 25 km · Zapotiltic 34 km · Zacoalco de Torres 38 km · Tamazula de Gordiano 43 km · Tuxpan 43 km · Jocotepec 48 km · Cocula 58 km · Chapala 63 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 Sayula (19.8837°, -103.6007°, elevation 1,351 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).