Casa Blanca weather in May

In May, Casa Blanca sees average daytime highs of 26°C and overnight lows near 13°C, with 102 mm of rain across 17.3 wet days and about 12.9 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 29% 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 Casa Blanca's 7th-clearest and 8th-windiest month. For the whole year in context, see Casa Blanca's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
13°
10th coldest
Rainfall
102 mm
17.3 wet days
Daylight
12 h 54 min
6:02 AM – 6:56 PM
Cloud cover
54%
7th clearest
Wind
7 km/h
8th windiest
Solar energy
6.9 kWh/m²
Travel score
5.7
out of 10

Casa Blanca is town in Amozoc Municipality, State of Puebla, Mexico.

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 26°C through the month.

A typical May day in Casa Blanca reaches about 26°C in the afternoon and slips back to 13°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, May runs on par with April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12613
22613
32613
42613
52613
62613
72613
82613
92613
102613
112613
122613
132613
142613
152613
162613
172613
182613
192613
202613
212613
222613
232613
242613
252614
262614
272614
282614
292614
302514
312514

Casa Blanca weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 101.9118.4
Feb24° / 91.911.48.8
Mar25° / 10°214.611.98.2
Apr26° / 12°459.612.46.9
May26° / 13°10217.312.95.7
Jun24° / 14°17920.413.15.1
Jul24° / 13°13518135.6
Aug24° / 13°15319.412.65.4
Sep23° / 13°18020.512.15.0
Oct24° / 12°7411.711.66.7
Nov23° / 20411.18.2
Dec23° / 61.310.98.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 30% of May, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36733
46634
56634
66535
76436
86436
96238
106139
116139
126139
136040
146040
156040
166040
176040
186040
195941
205941
215842
225842
235743
245644
255644
265545
275446
285248
295149
305050
314951

Chance of precipitation in May

Any precipitation

Casa Blanca gets around 102 mm of rain over 17.3 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 55% and peaks near 60% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
249
350
452
553
654
755
855
956
1056
1156
1257
1357
1456
1556
1656
1756
1856
1955
2055
2155
2255
2355
2455
2556
2656
2756
2857
2958
3059
3160

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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19370
29280
39190
490100
589110
688120
787130
886140
984160
1083170
1182180
1281190
1380200
1479210
1577230
1676240
1775250
1875250
1974260
2073270
2172280
2271290
2370300
2469310
2568320
2666340
2765350
2864360
2962380
3061390
3158411

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
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
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 6:09 AM to 5:58 AM, and sunset from 6:50 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:096:50
212.76:096:50
312.76:086:51
412.76:076:51
512.76:076:52
612.86:066:52
712.86:066:52
812.86:056:53
912.86:056:53
1012.86:046:53
1112.86:046:54
1212.86:036:54
1312.96:036:54
1412.96:036:55
1512.96:026:55
1612.96:026:56
1712.96:016:56
1812.96:016:56
1912.96:016:57
2012.96:016:57
2113.06:006:58
2213.06:006:58
2313.06:006:58
2413.05:596:59
2513.05:596:59
2613.05:597:00
2713.05:597:00
2813.05:597:00
2913.05:597:01
3013.05:587:01
3113.15:587:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.9 kWh/m².

For context, solar energy here swings from a low near 5.15 kWh/m² to a high of 7.18 kWh/m² in April across the year — May's 6.9 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.1Intense
47.1Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
107.0Intense
116.9Intense
126.9Intense
136.9Intense
146.9Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.7Intense
276.7Intense
286.7Intense
296.7Intense
306.6Intense
316.6Intense
Planning a trip in May

Hazard calendar for Casa Blanca

In seasonPeak

In May, Casa Blanca sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Casa Blanca's monsoon runs May–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 Casa Blanca?

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

5.7
Sightseeing
8th-best month of the year
5.5
Beach & pool
7th-best month of the year

May is a reasonable time to visit Casa Blanca for sightseeing.

What to pack for Casa Blanca in May

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

In May, Casa Blanca sees daytime highs around 26°C and nights near 13°C. Pack rain gear and sun protection. Worth having: light clothes. About 17 days see rain.

rain gearsun protectionlight clothes

UV index in Casa Blanca in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Casa Blanca peaks around April 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 11UV 15Dec 15UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr15Extreme
May10Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Casa Blanca 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 Casa Blanca is worst in November — around 83 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyNov 2283 µg/m³Mar 2153 µg/m³
PM2.5 (µg/m³)Level
Jan64Unhealthy
Feb59Unhealthy
Mar53Poor
Apr54Poor
May73Unhealthy
Jun66Unhealthy
Jul65Unhealthy
Aug63Unhealthy
Sep72Unhealthy
Oct72Unhealthy
Nov83Unhealthy
Dec81Unhealthy
Location & terrain

Where is Casa Blanca?

Casa Blanca sits at 19.0°N, 98.1°W, 2,232 m above sea level, in Mexico. The nearest listed city is Amozoc de Mota, 8.0 km away.

Topography around Casa Blanca

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

Within 3 km, the terrain around Casa Blanca has significant variations in elevation — a maximum elevation change of 283 m around an average of 2,260 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,029 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,428 m.

The land around Casa Blanca is covered by artificial surfaces (56%) and trees (28%) within 3 km, artificial surfaces (30%) and grassland (22%) within 16 km, and cropland (31%), trees (24%) and shrubs (24%) within 80 km.

3 km
283 m
16 km
1,029 m
80 km
4,428 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Amozoc de Mota 8.0 km · Puebla 9.0 km · Villa Vicente Guerrero 10 km · Sanctorum 16 km · Tepatlaxco de Hidalgo 16 km · Santiago Momoxpan 16 km · Papalotla 17 km · San Bernardino Tlaxcalancingo 17 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 Casa Blanca (19.0422°, -98.1189°, elevation 2,232 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).