Calpulalpan weather in April

In April, Calpulalpan sees average daytime highs of 24°C and overnight lows near 9°C, with 66 mm of rain across 12.7 wet days and about 12.4 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 39% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 42 min by month's end. Set against the rest of the year, April is Calpulalpan's 6th-clearest and 4th-windiest month. For the whole year in context, see Calpulalpan's year-round climate.

Daytime high
24°
1st warmest
Overnight low
7th coldest
Rainfall
66 mm
12.7 wet days
Daylight
12 h 24 min
6:21 AM – 6:48 PM
Cloud cover
48%
6th clearest
Wind
7 km/h
4th windiest
Solar energy
6.94 kWh/m²
Travel score
6.7
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 April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical April day in Calpulalpan reaches about 24°C in the afternoon and slips back to 9°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, April runs on par with March and on par with May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
1239
2249
3249
4249
5249
6249
7249
8249
9249
10249
11249
12249
13249
14249
15249
16249
17249
18249
19249
202410
212410
222410
232410
242410
252410
262410
272410
282410
292410
302410

Calpulalpan weather by month

How April compares with the rest of the year at a glance. April 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
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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 30% of April, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17426
27426
37327
47327
57327
67327
77327
87228
97228
107228
117129
127129
137129
147030
157030
166931
176931
186832
196832
206733
216634
226634
236634
246634
256535
266535
276436
286436
296436
306337

Chance of precipitation in April

Any precipitation

Calpulalpan gets around 66 mm of rain over 12.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
134
234
335
435
536
636
736
837
937
1038
1139
1240
1340
1441
1542
1643
1744
1845
1945
2046
2147
2247
2348
2448
2549
2649
2749
2849
2949
3050

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 7 km/h in April.

Across April, 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.

0246810151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over April. Sunrise moves from 6:34 AM to 6:11 AM, and sunset from 6:44 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:346:44
212.26:336:44
312.26:326:44
412.26:316:45
512.26:306:45
612.36:306:45
712.36:296:45
812.36:286:46
912.36:276:46
1012.36:266:46
1112.46:256:47
1212.46:246:47
1312.46:246:47
1412.46:236:47
1512.46:226:48
1612.46:216:48
1712.56:206:48
1812.56:206:48
1912.56:196:49
2012.56:186:49
2112.56:176:49
2212.66:166:50
2312.66:166:50
2412.66:156:50
2512.66:146:51
2612.66:146:51
2712.66:136:51
2812.76:126:52
2912.76:126:52
3012.76:116:52

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.94 kWh/m² — the sunniest month for solar.

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 — April's 6.94 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
156.9Intense
166.9Intense
176.9Intense
186.9Intense
196.9Intense
206.9Intense
216.9Intense
226.9Intense
236.9Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
296.9Intense
306.9Intense
Planning a trip in April

Hazard calendar for Calpulalpan

In seasonPeak

In April, 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 April a good time to visit Calpulalpan?

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

6.7
Sightseeing
6th-best month of the year
5.4
Beach & pool
2nd-best month of the year

April is a reasonable time to visit Calpulalpan for sightseeing.

What to pack for Calpulalpan in April

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

In April, Calpulalpan sees daytime highs around 24°C and nights near 9°C. Pack sun protection. Worth having: light clothes and rain gear. About 13 days see rain.

sun protectionlight clothesrain gear

UV index in Calpulalpan in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 15 (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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).