Heroica Ciudad de Tlaxiaco weather in May

In May, Heroica Ciudad de Tlaxiaco sees average daytime highs of 24°C and overnight lows near 13°C, with 143 mm of rain across 20.7 wet days and about 12.8 hours of daylight. It is the 3rd-warmest and 5th-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 21% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Heroica Ciudad de Tlaxiaco's 7th-clearest and 8th-windiest month. For the whole year in context, see Heroica Ciudad de Tlaxiaco's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
13°
11th coldest
Rainfall
143 mm
20.7 wet days
Daylight
12 h 48 min
6:03 AM – 6:51 PM
Cloud cover
62%
7th clearest
Wind
5 km/h
8th windiest
Solar energy
6.29 kWh/m²
Travel score
5.3
out of 10

Heroica Ciudad de Tlaxiaco is municipal seat of Tlaxiaco, State of Oaxaca, Mexico.

Density
51/km²
people per km²
Founded
~400 BCE

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 24°C through the month.

A typical May day in Heroica Ciudad de Tlaxiaco reaches about 24°C in the afternoon and slips back to 13°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12512
22512
32512
42512
52512
62512
72512
82512
92512
102512
112412
122413
132413
142413
152413
162413
172413
182413
192413
202413
212413
222413
232413
242413
252413
262413
272413
282413
292413
302413
312413

Heroica Ciudad de Tlaxiaco weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 92.211.18.3
Feb23° / 101.911.48.7
Mar25° / 10°235.611.98.2
Apr25° / 12°449.212.47.2
May24° / 13°14320.712.85.3
Jun23° / 13°30227.4133.9
Jul23° / 12°27127.512.93.9
Aug23° / 12°29528.412.63.8
Sep22° / 13°3092812.13.7
Oct22° / 11°14218.711.65.3
Nov22° / 326.211.27.5
Dec22° / 102.4118.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26040
35842
45743
55545
65545
75347
85149
95050
104852
114654
124555
134456
144456
154357
164357
174258
184258
194060
204060
213961
223961
233862
243763
253664
263466
273367
283268
293169
302971
312872

Chance of precipitation in May

Any precipitation

Heroica Ciudad de Tlaxiaco gets around 143 mm of rain over 20.7 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 66% and peaks near 82% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
148
250
351
452
554
655
756
858
959
1061
1162
1263
1365
1466
1566
1667
1768
1869
1970
2071
2172
2273
2374
2475
2576
2677
2778
2879
2980
3081
3182

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 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
181190
278211
376231
474251
572271
670291
768311
866331
964351
1060382
1158402
1257412
1355432
1452453
1551463
1649483
1747503
1845514
1943534
2042544
2140564
2238584
2337594
2435614
2534624
2633634
2732644
2830664
2929674
3027694
3126704

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 6:09 AM to 6:00 AM, and sunset from 6:46 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:096:46
212.66:096:47
312.66:086:47
412.76:086:47
512.76:076:48
612.76:076:48
712.76:066:48
812.76:066:48
912.76:056:49
1012.76:056:49
1112.76:056:49
1212.86:046:50
1312.86:046:50
1412.86:036:50
1512.86:036:51
1612.86:036:51
1712.86:026:52
1812.86:026:52
1912.86:026:52
2012.86:026:53
2112.96:016:53
2212.96:016:53
2312.96:016:54
2412.96:016:54
2512.96:006:54
2612.96:006:55
2712.96:006:55
2812.96:006:55
2912.96:006:56
3012.96:006:56
3112.96:006:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.29 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.96 kWh/m² in April across the year — May's 6.29 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.7Intense
36.7Intense
46.7Intense
56.6Intense
66.6Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.4Intense
126.4Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.0Intense
256.0Intense
266.0Bright
275.9Bright
285.9Bright
295.9Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Heroica Ciudad de Tlaxiaco

In seasonPeak

In May, Heroica Ciudad de Tlaxiaco sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Heroica Ciudad de Tlaxiaco's monsoon runs May–October, 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 Heroica Ciudad de Tlaxiaco?

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

5.3
Sightseeing
7th-best month of the year
4.6
Beach & pool
7th-best month of the year

May is a reasonable time to visit Heroica Ciudad de Tlaxiaco for sightseeing.

What to pack for Heroica Ciudad de Tlaxiaco in May

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

In May, Heroica Ciudad de Tlaxiaco sees daytime highs around 24°C and nights near 13°C. Pack rain gear and sun protection. Worth having: light clothes. About 21 days see rain.

rain gearsun protectionlight clothes

UV index in Heroica Ciudad de Tlaxiaco in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Heroica Ciudad de Tlaxiaco peaks around April 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (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 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar14Extreme
Apr15Extreme
May11Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Heroica Ciudad de Tlaxiaco 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 Heroica Ciudad de Tlaxiaco is worst in May — around 24 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (January, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1324 µg/m³Jan 219 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar12Moderate
Apr21Moderate
May24Moderate
Jun15Moderate
Jul16Moderate
Aug13Moderate
Sep13Moderate
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Heroica Ciudad de Tlaxiaco?

Heroica Ciudad de Tlaxiaco sits at 17.3°N, 97.7°W, 2,082 m above sea level, in Mexico. The nearest listed city is Ciudad de Huajuapan de León, 61 km away.

Topography around Heroica Ciudad de Tlaxiaco

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Heroica Ciudad de Tlaxiaco.

Within 3 km, the terrain around Heroica Ciudad de Tlaxiaco has significant variations in elevation — a maximum elevation change of 351 m around an average of 2,116 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,626 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,211 m.

The land around Heroica Ciudad de Tlaxiaco is covered by grassland (39%), trees (28%) and artificial surfaces (22%) within 3 km, trees (65%) and grassland (28%) within 16 km, and trees (62%) and grassland (20%) within 80 km.

3 km
351 m
16 km
1,626 m
80 km
3,211 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Ciudad de Huajuapan de León 61 km · Santa María Atzompa 98 km · Tlapa de Comonfort 100 km · Ometepec 101 km · Santa Cruz Xoxocotlán 104 km · Oaxaca 104 km · San Antonio de la Cal 107 km · Pinotepa Nacional 111 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 Heroica Ciudad de Tlaxiaco (17.2687°, -97.6803°, elevation 2,082 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).