Miahuatlán de Porfirio Díaz weather in May

In May, Miahuatlán de Porfirio Díaz sees average daytime highs of 25°C and overnight lows near 14°C, with 312 mm of rain across 21.3 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 25°C through the month. The sky is clear or mostly clear about 19% of the time in May, and the air most often feels comfortable.

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 Miahuatlán de Porfirio Díaz's 7th-clearest and 12th-windiest month. For the whole year in context, see Miahuatlán de Porfirio Díaz's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
14°
11th coldest
Rainfall
312 mm
21.3 wet days
Daylight
12 h 48 min
6:00 AM – 6:45 PM
Cloud cover
64%
7th clearest
Wind
4 km/h
12th windiest
Solar energy
6.44 kWh/m²
Travel score
5.2
out of 10

Miahuatlán de Porfirio Díaz is municipal seat of Miahuatlán, State of Oaxaca, 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 25°C through the month.

A typical May day in Miahuatlán de Porfirio Díaz reaches about 25°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 23°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)
12514
22514
32514
42514
52514
62514
72514
82514
92514
102514
112514
122514
132514
142514
152514
162514
172514
182514
192514
202514
212514
222414
232414
242414
252414
262414
272414
282414
292414
302414
312414

Miahuatlán de Porfirio Díaz 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° / 10°102.611.18.4
Feb24° / 10°123.211.58.6
Mar25° / 12°427.211.97.8
Apr25° / 13°10812.812.46.5
May25° / 14°31221.312.85.2
Jun23° / 14°62825.7134.1
Jul23° / 14°53923.712.94.5
Aug23° / 14°56225.412.54.2
Sep23° / 14°6112612.14.0
Oct23° / 13°25316.511.65.6
Nov23° / 11°435.611.27.7
Dec22° / 10°112.2118.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
25941
35842
45644
55446
65248
75050
84852
94654
104555
114357
124159
134060
143862
153862
163763
173664
183565
193565
203466
213466
223466
233367
243367
253268
263169
273070
282872
292872
302674
312674

Chance of precipitation in May

Any precipitation

Miahuatlán de Porfirio Díaz gets around 312 mm of rain over 21.3 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 68% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
155
256
357
459
560
662
763
864
965
1066
1166
1267
1367
1468
1568
1668
1769
1869
1969
2069
2170
2270
2371
2472
2572
2673
2774
2875
2976
3077
3179

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
161381
260391
359401
457421
556431
654451
751472
850482
948502
1047512
1145532
1243552
1342553
1440573
1539583
1638584
1736604
1835614
1934615
2032635
2131645
2230646
2329656
2428657
2527658
2626668
2724679
28236710
29226711
30216712
31196813

Wind in May

Winds average 4 km/h in May, the calmest month.

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
204calm
214calm
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 6:06 AM to 5:57 AM, and sunset from 6:41 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:066:41
212.66:066:41
312.66:056:41
412.66:056:42
512.66:046:42
612.66:046:42
712.76:036:43
812.76:036:43
912.76:026:43
1012.76:026:44
1112.76:026:44
1212.76:016:44
1312.76:016:44
1412.76:006:45
1512.76:006:45
1612.86:006:45
1712.86:006:46
1812.85:596:46
1912.85:596:46
2012.85:596:47
2112.85:586:47
2212.85:586:47
2312.85:586:48
2412.85:586:48
2512.85:586:48
2612.95:586:49
2712.95:576:49
2812.95:576:50
2912.95:576:50
3012.95:576:50
3112.95:576:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.44 kWh/m².

For context, solar energy here swings from a low near 4.78 kWh/m² to a high of 7.13 kWh/m² in April across the year — May's 6.44 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
36.9Intense
46.9Intense
56.9Intense
66.8Intense
76.8Intense
86.8Intense
96.7Intense
106.7Intense
116.7Intense
126.6Intense
136.6Intense
146.5Intense
156.5Intense
166.5Intense
176.4Intense
186.4Intense
196.3Intense
206.3Intense
216.3Intense
226.2Intense
236.2Intense
246.1Intense
256.0Intense
266.0Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
315.7Bright
Planning a trip in May

Hazard calendar for Miahuatlán de Porfirio Díaz

In seasonPeak

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

Miahuatlán de Porfirio Díaz'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 Miahuatlán de Porfirio Díaz?

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

5.2
Sightseeing
8th-best month of the year
4.6
Beach & pool
7th-best month of the year

May is a reasonable time to visit Miahuatlán de Porfirio Díaz for sightseeing.

What to pack for Miahuatlán de Porfirio Díaz in May

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

In May, Miahuatlán de Porfirio Díaz sees daytime highs around 25°C and nights near 14°C. Pack rain gear and sun protection. Worth having: light clothes. About 21 days see rain.

rain gearsun protectionlight clothes

UV index in Miahuatlán de Porfirio Díaz 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 Miahuatlán de Porfirio Díaz peaks around April 13 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 13UV 15Dec 15UV 9
UV index (midday)Level
Jan10Extreme
Feb13Extreme
Mar14Extreme
Apr15Extreme
May13Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Miahuatlán de Porfirio Díaz 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 Miahuatlán de Porfirio Díaz is worst in May — around 27 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (January, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1626 µg/m³Jan 137 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar10Good
Apr19Moderate
May27Moderate
Jun17Moderate
Jul20Moderate
Aug16Moderate
Sep15Moderate
Oct12Good
Nov9Good
Dec8Good
Location & terrain

Where is Miahuatlán de Porfirio Díaz?

Miahuatlán de Porfirio Díaz sits at 16.3°N, 96.6°W, 1,552 m above sea level, in Mexico. The nearest listed city is Ocotlán de Morelos, 52 km away.

Topography around Miahuatlán de Porfirio Díaz

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Miahuatlán de Porfirio Díaz.

Within 3 km, the terrain around Miahuatlán de Porfirio Díaz has only modest variations in elevation — a maximum elevation change of 163 m around an average of 1,578 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,441 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,707 m.

The land around Miahuatlán de Porfirio Díaz is covered by grassland (33%), cropland (28%) and artificial surfaces (22%) within 3 km, trees (33%), grassland (29%) and shrubs (27%) within 16 km, and trees (62%) within 80 km.

3 km
163 m
16 km
1,441 m
80 km
3,707 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ocotlán de Morelos 52 km · Puerto Escondido 72 km · San Antonio de la Cal 79 km · Santa Cruz Xoxocotlán 79 km · Crucecita 79 km · Oaxaca 82 km · Santa María Atzompa 88 km · Santo Domingo Tehuantepec 145 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 Miahuatlán de Porfirio Díaz (16.329°, -96.5961°, elevation 1,552 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).