Calpulalpan weather in August

In August, Calpulalpan sees average daytime highs of 22°C and overnight lows near 11°C, with 107 mm of rain across 17.7 wet days and about 12.7 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 14% of the time in August, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Calpulalpan's 11th-clearest and 6th-windiest month. For the whole year in context, see Calpulalpan's year-round climate.

Daytime high
22°
5th warmest
Overnight low
11°
11th coldest
Rainfall
107 mm
17.7 wet days
Daylight
12 h 42 min
6:18 AM – 6:59 PM
Cloud cover
69%
11th clearest
Wind
7 km/h
6th windiest
Solar energy
5.84 kWh/m²
Travel score
5.3
out of 10

Calpulalpan is municipal seat of Calpulalpan, State of Tlaxcala, Mexico.

Density
3,333/km²
people per km²
Founded
1608

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical August day in Calpulalpan reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 24°C. Set against its neighbours, August runs on par with July and about 1°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12210
22211
32211
42211
52211
62211
72211
82211
92211
102211
112211
122211
132211
142211
152211
162211
172211
182211
192211
202211
212211
222211
232211
242211
252111
262111
272111
282111
292111
302111
312111

Calpulalpan weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 184.110.97.4
Feb21° / 184.511.37.8
Mar23° / 367.911.97.5
Apr24° / 6612.712.46.7
May23° / 10°8214.412.96.4
Jun22° / 11°12616.313.25.6
Jul22° / 11°10317.413.15.3
Aug22° / 11°10717.712.75.3
Sep21° / 11°12617.812.15.1
Oct21° / 6510.411.56.3
Nov21° / 265.111.17.4
Dec20° / 122.510.87.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24357
34357
44357
54357
64357
74357
84357
94060
104060
113862
123862
133664
143664
153466
163466
173367
183367
193268
203070
213070
222971
232872
242872
252872
262773
272773
282773
292773
302674
312674

Chance of precipitation in August

Any precipitation

Calpulalpan gets around 107 mm of rain over 17.7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 57% and peaks near 61% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
152
252
353
453
553
654
755
855
956
1057
1158
1259
1359
1460
1560
1661
1761
1860
1960
2060
2159
2259
2358
2458
2558
2658
2758
2858
2958
3058
3159

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4982
5982
6982
7982
8982
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27982
28982
29982
30982
31982

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 7 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
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 6:13 AM to 6:22 AM, and sunset from 7:07 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:137:07
212.96:147:07
312.96:147:06
412.96:147:06
512.86:157:05
612.86:157:05
712.86:157:04
812.86:167:04
912.86:167:03
1012.86:167:02
1112.86:177:02
1212.76:177:01
1312.76:177:01
1412.76:187:00
1512.76:186:59
1612.76:186:59
1712.76:196:58
1812.66:196:57
1912.66:196:56
2012.66:196:56
2112.66:206:55
2212.66:206:54
2312.66:206:53
2412.56:206:52
2512.56:216:52
2612.56:216:51
2712.56:216:50
2812.56:216:49
2912.46:226:48
3012.46:226:47
3112.46:226:47

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.84 kWh/m².

For context, solar energy here swings from a low near 5.01 kWh/m² to a high of 6.94 kWh/m² in April across the year — August's 5.84 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.0Intense
96.0Intense
106.0Intense
116.0Bright
126.0Bright
135.9Bright
145.9Bright
155.9Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in August

Hazard calendar for Calpulalpan

In seasonPeak

In August, Calpulalpan sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Calpulalpan's rainy season runs April–October, when most of the year's rain falls.

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

Is August a good time to visit Calpulalpan?

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

5.3
Sightseeing
10th-best month of the year
3.6
Beach & pool
9th-best month of the year

August is a reasonable time to visit Calpulalpan for sightseeing.

What to pack for Calpulalpan in August

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

In August, Calpulalpan sees daytime highs around 22°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 18 days see rain.

rain gearsun protection

UV index in Calpulalpan in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Calpulalpan peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 12UV 14Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr15Extreme
May11Extreme
Jun15Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Calpulalpan in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Calpulalpan is worst in December — around 165 µg/m³ PM2.5 (very unhealthy), and holds fairly steady the rest of the year.

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyDec 13163 µg/m³Aug 15114 µg/m³
PM2.5 (µg/m³)Level
Jan137Unhealthy
Feb131Unhealthy
Mar122Unhealthy
Apr120Unhealthy
May143Unhealthy
Jun121Unhealthy
Jul118Unhealthy
Aug113Unhealthy
Sep120Unhealthy
Oct121Unhealthy
Nov155Very unhealthy
Dec165Very unhealthy
Location & terrain

Where is Calpulalpan?

Calpulalpan sits at 19.6°N, 98.6°W, 2,592 m above sea level, in Mexico. The nearest listed city is Apan, 18 km away.

Topography around Calpulalpan

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

Within 3 km, the terrain around Calpulalpan has only modest variations in elevation — a maximum elevation change of 189 m around an average of 2,581 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,119 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,991 m.

The land around Calpulalpan is covered by cropland (71%) within 3 km, cropland (54%) and trees (21%) within 16 km, and cropland (32%) and trees (30%) within 80 km.

3 km
189 m
16 km
1,119 m
80 km
3,991 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Apan 18 km · Ciudad Sahagun 21 km · Tepeapulco 22 km · Teotihuacan 32 km · Teotihuacán de Arista 32 km · Tulantongo 33 km · Texcoco de Mora 34 km · Chiconcuac 35 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 Calpulalpan (19.5887°, -98.5697°, elevation 2,592 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).