Pénjamo weather in May

In May, Pénjamo sees average daytime highs of 32°C and overnight lows near 16°C, with 36 mm of rain across 6.8 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 47% 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 Pénjamo's 7th-clearest and 6th-windiest month. For the whole year in context, see Pénjamo's year-round climate.

Daytime high
32°
1st warmest
Overnight low
16°
11th coldest
Rainfall
36 mm
6.8 wet days
Daylight
13 hours
6:14 AM – 7:12 PM
Cloud cover
44%
7th clearest
Wind
7 km/h
6th windiest
Solar energy
7.35 kWh/m²
Travel score
4.6
out of 10

Pénjamo is municipal seat of Pénjamo, State of Guanajuato, Mexico.

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 Pénjamo reaches about 32°C in the afternoon and slips back to 16°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 28°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)
13215
23215
33215
43215
53215
63215
73215
83215
93215
103215
113215
123215
133215
143215
153215
163216
173216
183216
193216
203216
213216
223216
233216
243216
253216
263216
273216
283216
293216
303216
313116

Pénjamo 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° / 121.810.98.7
Feb26° / 91.511.38.4
Mar29° / 11°101.411.97.3
Apr31° / 14°7212.55.6
May32° / 16°366.8134.6
Jun29° / 16°1321613.24.5
Jul27° / 15°16921.513.14.8
Aug27° / 15°13519.212.75.1
Sep26° / 15°12416.512.15.5
Oct27° / 13°437.411.57.0
Nov26° / 10°122.4118.3
Dec25° / 41.210.88.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 26% of May, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27228
37228
47228
57228
67327
77228
87228
97228
107327
117228
127228
137327
147327
157327
167426
177426
187426
197426
207327
217327
227327
237327
247327
257327
267228
277228
287129
297129
306931
316832

Chance of precipitation in May

Any precipitation

Pénjamo gets around 36 mm of rain over 6.8 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 22% 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 (%)
111
212
313
414
515
616
717
818
919
1019
1120
1220
1321
1421
1522
1622
1722
1823
1923
2024
2124
2225
2325
2426
2526
2627
2728
2828
2929
3030
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 88% 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
69640
79640
89550
99550
109460
119460
129370
139370
149280
159190
169091
1789101
1888111
1988111
2087121
2185132
2284142
2384142
2482153
2581163
2679174
2778184
2876195
2974206
3072226
3170237

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 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
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 6:22 AM to 6:10 AM, and sunset from 7:06 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:227:06
212.86:217:07
312.86:217:07
412.86:207:07
512.86:207:08
612.86:197:08
712.86:187:09
812.96:187:09
912.96:177:09
1012.96:177:10
1112.96:167:10
1212.96:167:11
1312.96:157:11
1412.96:157:11
1513.06:157:12
1613.06:147:12
1713.06:147:13
1813.06:137:13
1913.06:137:13
2013.06:137:14
2113.06:127:14
2213.06:127:15
2313.16:127:15
2413.16:127:16
2513.16:117:16
2613.16:117:16
2713.16:117:17
2813.16:117:17
2913.16:107:18
3013.16:107:18
3113.16:107:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.35 kWh/m².

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 7.48 kWh/m² in April across the year — May's 7.35 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.5Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.4Intense
167.4Intense
177.4Intense
187.4Intense
197.3Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.3Intense
257.3Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.1Intense
317.1Intense
Planning a trip in May

Hazard calendar for Pénjamo

In seasonPeak

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

Pénjamo'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 Pénjamo?

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

4.6
Sightseeing
11th-best month of the year
7.2
Beach & pool
7th-best month of the year

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

What to pack for Pénjamo in May

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

In May, Pénjamo sees daytime highs around 32°C and nights near 16°C. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Pénjamo 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 Pénjamo peaks around June 14 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 highJun 14UV 14Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Pénjamo 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 Pénjamo is worst in May — around 31 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (August, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1031 µg/m³Aug 1316 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb20Moderate
Mar21Moderate
Apr31Moderate
May31Moderate
Jun17Moderate
Jul17Moderate
Aug16Moderate
Sep18Moderate
Oct16Moderate
Nov20Moderate
Dec28Moderate
Location & terrain

Where is Pénjamo?

Pénjamo sits at 20.4°N, 101.7°W, 1,780 m above sea level, in Mexico. The nearest listed city is Abasolo, 20 km away.

Topography around Pénjamo

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

Within 3 km, the terrain around Pénjamo has significant variations in elevation — a maximum elevation change of 506 m around an average of 1,814 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 822 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,787 m.

The land around Pénjamo is covered by cropland (30%), artificial surfaces (24%) and grassland (23%) within 3 km, cropland (40%), trees (23%) and grassland (21%) within 16 km, and cropland (41%) within 80 km.

3 km
506 m
16 km
822 m
80 km
1,787 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Abasolo 20 km · La Piedad de Cabadas 33 km · Puruándiro 44 km · Irapuato 47 km · Romita 54 km · Valle de Santiago 56 km · Salamanca 57 km · Yurécuaro 59 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 Pénjamo (20.4313°, -101.724°, elevation 1,780 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).