Tlacotalpan weather in May

In May, Tlacotalpan sees average daytime highs of 34°C and overnight lows near 25°C, with 64 mm of rain across 9.6 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 45% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Tlacotalpan's 3rd-clearest and 8th-windiest month. For the whole year in context, see Tlacotalpan's year-round climate.

Daytime high
34°
1st warmest
Overnight low
25°
12th coldest
Rainfall
64 mm
9.6 wet days
Daylight
12 h 54 min
5:53 AM – 6:45 PM
Cloud cover
48%
3rd clearest
Wind
9 km/h
8th windiest
Solar energy
6.49 kWh/m²
Travel score
3.3
out of 10

Tlacotalpan is municipal seat of Tlacotalpan, State of Veracruz, Mexico.

Founded
1847

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 34°C through the month.

A typical May day in Tlacotalpan reaches about 34°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 38°C. Set against its neighbours, May runs about 1°C warmer than April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103425
113425
123425
133425
143425
153425
163425
173425
183426
193426
203426
213426
223426
233426
243426
253426
263426
273426
283326
293326
303326
313326

How May really feels in Tlacotalpan

Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
28 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tlacotalpan weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 19°407.9117.1
Feb27° / 20°285.111.47.1
Mar30° / 22°234.511.96.0
Apr33° / 24°254.512.44.4
May34° / 25°649.612.93.3
Jun33° / 25°23522.513.12.6
Jul32° / 25°26525132.8
Aug32° / 25°27125.112.62.7
Sep31° / 25°31824.912.12.8
Oct30° / 24°20218.811.64.0
Nov28° / 22°951311.15.8
Dec26° / 20°448.710.96.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36634
46634
56535
66535
76535
86535
96436
106436
116436
126436
136634
146634
156634
166634
176733
186634
196634
206535
216436
226436
236337
246337
256139
266040
275842
285743
295545
305446
315248

Chance of precipitation in May

Any precipitation

Tlacotalpan gets around 64 mm of rain over 9.6 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 33% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
117
217
317
418
519
620
721
822
924
1025
1126
1228
1329
1431
1532
1633
1734
1835
1936
2037
2138
2239
2340
2441
2542
2644
2746
2847
2949
3051
3153

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11136026
21135927
31125829
41125730
51115731
61115632
71105633
8195634
9195535
10185536
11175537
12175438
13165439
14165340
15155341
16145342
17145243
18045244
19035245
20035146
21035047
22034948
23024849
24024850
25024751
26024652
27024553
28014554
29014455
30014356
31014257

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 42 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 6:00 AM to 5:49 AM, and sunset from 6:40 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:006:40
212.75:596:40
312.75:596:40
412.75:586:41
512.75:586:41
612.75:576:41
712.85:576:42
812.85:566:42
912.85:566:43
1012.85:556:43
1112.85:556:43
1212.85:546:44
1312.85:546:44
1412.85:536:44
1512.95:536:45
1612.95:536:45
1712.95:526:45
1812.95:526:46
1912.95:526:46
2012.95:516:47
2112.95:516:47
2212.95:516:47
2313.05:516:48
2413.05:506:48
2513.05:506:49
2613.05:506:49
2713.05:506:49
2813.05:506:50
2913.05:496:50
3013.05:496:50
3113.05:496:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.49 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.47 kWh/m² to a high of 6.49 kWh/m² in May across the year — May's 6.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.2Intense
316.2Intense
Planning a trip in May

Hazard calendar for Tlacotalpan

In seasonPeak

None of Tlacotalpan's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Tlacotalpan sits in the Atlantic hurricane belt; the season peaks August–October.

Tlacotalpan's monsoon runs June–October, when most of the year's rain falls.

Atlantic hurricane
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Tlacotalpan?

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

3.3
Sightseeing
8th-best month of the year
6.2
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Tlacotalpan. The water and warmth also suit a beach or pool day.

What to pack for Tlacotalpan in May

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

In May, Tlacotalpan sees daytime highs around 34°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Tlacotalpan in May

The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 29 km away) is warmest in August at about 29°C and coldest in February near 23°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb23Refreshing
Mar24Warm
Apr26Warm
May28Warm
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov27Warm
Dec25Warm

UV index in Tlacotalpan in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tlacotalpan peaks around August 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highHighAug 17UV 13Dec 19UV 7
UV index (midday)Level
Jan7Very high
Feb10Very high
Mar11Extreme
Apr13Extreme
May9Very high
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in Tlacotalpan 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 Tlacotalpan is worst in May — around 40 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (November, 15 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1639 µg/m³Nov 1215 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar22Moderate
Apr30Moderate
May40Poor
Jun29Moderate
Jul32Moderate
Aug24Moderate
Sep20Moderate
Oct16Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Tlacotalpan?

Tlacotalpan sits at 18.6°N, 95.7°W, 0 m above sea level, in Mexico. The nearest listed city is Lerdo de Tejada, 15 km away.

Topography around Tlacotalpan

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

Within 3 km, the terrain around Tlacotalpan has only modest variations in elevation — a maximum elevation change of 9 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 88 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,630 m.

The land around Tlacotalpan is covered by wetland (49%) and grassland (35%) within 3 km, wetland (36%) and grassland (25%) within 16 km, and grassland (33%) and water (28%) within 80 km.

3 km
9 m
16 km
88 m
80 km
1,630 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Lerdo de Tejada 15 km · Alvarado 21 km · Carlos A. Carrillo 28 km · Cosamaloapan 31 km · Santiago Tuxtla 41 km · San Andrés Tuxtla 50 km · La Isla 52 km · Loma Bonita 61 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 Tlacotalpan (18.6133°, -95.6589°, elevation 0 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).