Chapala weather in May

In May, Chapala sees average daytime highs of 31°C and overnight lows near 16°C, with 16 mm of rain across 4.2 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 57% 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 Chapala's 5th-clearest and 4th-windiest month. For the whole year in context, see Chapala's year-round climate.

Daytime high
31°
1st warmest
Overnight low
16°
8th coldest
Rainfall
16 mm
4.2 wet days
Daylight
13 hours
6:20 AM – 7:18 PM
Cloud cover
40%
5th clearest
Wind
6 km/h
4th windiest
Solar energy
7.25 kWh/m²
Travel score
5.3
out of 10

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

Density
3,599/km²
people per km²
Founded
1200

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 31°C through the month.

A typical May day in Chapala reaches about 31°C in the afternoon and slips back to 16°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, May runs about 1°C warmer than April and about 3°C warmer than June.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13115
23115
33116
43116
53116
63116
73116
83116
93116
103116
113116
123116
133116
143116
153116
163116
173116
183117
193117
203117
213117
223117
233117
243117
253117
263117
273117
283117
293117
303117
313117

Chapala 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
Jan24° / 10°171.710.98.6
Feb26° / 11°111.611.38.5
Mar28° / 13°6111.97.9
Apr30° / 15°30.912.56.2
May31° / 16°164.212.95.3
Jun29° / 18°1161813.24.6
Jul26° / 17°17324.713.14.4
Aug26° / 17°15723.912.74.5
Sep26° / 17°13819.812.15.0
Oct26° / 15°458.311.57.0
Nov25° / 13°122.1118.5
Dec24° / 11°6110.88.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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
37426
47525
57426
67426
77426
87525
97525
107426
117525
127525
137525
147624
157624
167723
177822
187822
197723
207723
217723
227723
237723
247723
257723
267624
277624
287525
297426
307327
317228

Chance of precipitation in May

Any precipitation

Chapala gets around 16 mm of rain over 4.2 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 14% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
15
26
36
47
57
68
78
89
99
1010
1110
1210
1310
1411
1511
1611
1712
1813
1913
2014
2115
2216
2318
2419
2520
2622
2723
2825
2926
3028
3130

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 78% 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
69190
789101
888111
987121
1086131
1186131
1285141
1384142
1484142
1583152
1683152
1781163
1880173
1979174
2078184
2176195
2274206
2371227
2470237
2567258
2665269
27622810
28592912
29563113
30533215
31503317

Wind in May

Winds average 6 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
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
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 6:28 AM to 6:16 AM, and sunset from 7:12 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:287:12
212.76:277:12
312.86:277:13
412.86:267:13
512.86:267:13
612.86:257:14
712.86:247:14
812.86:247:15
912.96:237:15
1012.96:237:15
1112.96:227:16
1212.96:227:16
1312.96:217:17
1412.96:217:17
1512.96:217:17
1613.06:207:18
1713.06:207:18
1813.06:197:19
1913.06:197:19
2013.06:197:19
2113.06:187:20
2213.06:187:20
2313.06:187:21
2413.16:187:21
2513.16:177:22
2613.16:177:22
2713.16:177:22
2813.16:177:23
2913.16:177:23
3013.16:167:24
3113.16:167:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.25 kWh/m².

For context, solar energy here swings from a low near 4.74 kWh/m² to a high of 7.5 kWh/m² in April across the year — May's 7.25 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
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.2Intense
197.2Intense
207.2Intense
217.2Intense
227.1Intense
237.1Intense
247.1Intense
257.0Intense
267.0Intense
277.0Intense
286.9Intense
296.8Intense
306.8Intense
316.7Intense
Planning a trip in May

Hazard calendar for Chapala

In seasonPeak

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

Chapala sits in the eastern Pacific hurricane zone; the season peaks August–September.

Chapala's rainy season runs June–September, when most of the year's rain falls.

Pacific hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Chapala?

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

5.3
Sightseeing
8th-best month of the year
7.8
Beach & pool
4th-best month of the year

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

What to pack for Chapala in May

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

In May, Chapala sees daytime highs around 31°C and nights near 16°C. Pack light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Chapala 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 Chapala peaks around May 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 13UV 14Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Chapala 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 Chapala 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 Chapala?

Chapala sits at 20.3°N, 103.2°W, 1,561 m above sea level, in Mexico. The nearest listed city is San José del Castillo, 25 km away.

Topography around Chapala

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

Within 3 km, the terrain around Chapala has only modest variations in elevation — a maximum elevation change of 211 m around an average of 1,544 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 957 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,137 m.

The land around Chapala is covered by water (52%) within 3 km, water (50%) and trees (20%) within 16 km, and trees (37%) and cropland (25%) within 80 km.

3 km
211 m
16 km
957 m
80 km
2,137 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: San José del Castillo 25 km · Jocotepec 25 km · San José del Quince 29 km · Hacienda Santa Fe 32 km · Las Pintitas 32 km · Lomas del Sur 33 km · Tlajomulco de Zúñiga 34 km · Las Pintas de Arriba 34 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 Chapala (20.2925°, -103.1896°, elevation 1,561 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).