Comalcalco weather in May

In May, Comalcalco sees average daytime highs of 35°C and overnight lows near 26°C, with 66 mm of rain across 10.4 wet days and about 12.8 hours of daylight. It is the 1st-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°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 Comalcalco's 4th-clearest and 8th-windiest month. For the whole year in context, see Comalcalco's year-round climate.

Daytime high
35°
1st warmest
Overnight low
26°
12th coldest
Rainfall
66 mm
10.4 wet days
Daylight
12 h 54 min
5:43 AM – 6:35 PM
Cloud cover
48%
4th clearest
Wind
10 km/h
8th windiest
Solar energy
6.7 kWh/m²
Travel score
2.4
out of 10

Comalcalco is municipal seat of Comalcalco, State of Tabasco, Mexico.

Density
2,303/km²
people per km²
Founded
1827

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 35°C through the month.

A typical May day in Comalcalco reaches about 35°C in the afternoon and slips back to 26°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 39°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13625
23625
33626
43626
53626
63626
73626
83626
93626
103626
113626
123526
133526
143526
153526
163526
173526
183526
193526
203526
213526
223526
233526
243526
253526
263526
273526
283526
293526
303526
313526

How May really feels in Comalcalco

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
31 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.

Comalcalco 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
Jan28° / 20°649.8116.5
Feb29° / 21°396.711.45.8
Mar32° / 22°22511.94.6
Apr35° / 24°315.812.43.1
May35° / 26°6610.412.82.4
Jun34° / 25°18920.413.12.2
Jul34° / 25°13217.5132.4
Aug33° / 25°18722.112.62.3
Sep32° / 24°26225.312.12.5
Oct31° / 24°21720.611.63.6
Nov29° / 22°11314.211.14.9
Dec28° / 21°641010.96.1

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 21% of May, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37327
47228
57228
67129
77030
87030
97030
106832
116832
126832
136832
146832
156832
166832
176832
186733
196733
206634
216634
226436
236436
246238
256139
265941
275743
285545
295446
305248
315149

Chance of precipitation in May

Any precipitation

Comalcalco gets around 66 mm of rain over 10.4 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 35% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
120
221
321
422
522
623
724
825
926
1028
1129
1230
1331
1432
1533
1634
1735
1836
1937
2038
2139
2240
2341
2443
2544
2646
2747
2849
2951
3052
3154

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11322659
21221679
31221679
412206810
511196910
601187011
701186912
801177012
901167013
1001157014
1101156915
1201146916
1301137016
1401127017
1501117018
1601116919
1701107019
180197020
190087121
200077122
210077122
220067024
230057025
240056827
250046828
260046630
270036532
280036334
290036037
300035839
310025741

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 5:51 AM to 5:40 AM, and sunset from 6:30 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:516:30
212.75:506:30
312.75:496:30
412.75:496:31
512.75:486:31
612.75:486:31
712.75:476:32
812.85:476:32
912.85:466:32
1012.85:466:33
1112.85:456:33
1212.85:456:33
1312.85:456:34
1412.85:446:34
1512.85:446:34
1612.95:436:35
1712.95:436:35
1812.95:436:36
1912.95:426:36
2012.95:426:36
2112.95:426:37
2212.95:426:37
2312.95:416:37
2412.95:416:38
2513.05:416:38
2613.05:416:39
2713.05:416:39
2813.05:406:39
2913.05:406:40
3013.05:406:40
3113.05:406:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.7 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.89 kWh/m² to a high of 6.7 kWh/m² in May across the year — May's 6.7 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.5Intense
266.5Intense
276.5Intense
286.4Intense
296.4Intense
306.4Intense
316.3Intense
Planning a trip in May

Hazard calendar for Comalcalco

In seasonPeak

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

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

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

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

Is May a good time to visit Comalcalco?

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

2.4
Sightseeing
9th-best month of the year
5.3
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Comalcalco.

What to pack for Comalcalco in May

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

In May, Comalcalco sees daytime highs around 35°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Comalcalco 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 41 km away) is warmest in September at about 29°C and coldest in January near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar25Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov27Warm
Dec26Warm

UV index in Comalcalco in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Comalcalco peaks around August 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highExtremeVery highAug 17UV 13Jan 1UV 7
UV index (midday)Level
Jan7High
Feb10Extreme
Mar12Extreme
Apr13Extreme
May8Very high
Jun13Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Comalcalco 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 Comalcalco is worst in May — around 77 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (January, 32 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorMay 1375 µg/m³Jan 1633 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb37Poor
Mar46Poor
Apr69Unhealthy
May77Unhealthy
Jun52Poor
Jul45Poor
Aug40Poor
Sep41Poor
Oct38Poor
Nov36Poor
Dec37Poor
Location & terrain

Where is Comalcalco?

Comalcalco sits at 18.3°N, 93.2°W, 10 m above sea level, in Mexico. The nearest listed city is Paraiso, 15 km away.

Topography around Comalcalco

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

Within 3 km, the terrain around Comalcalco has only modest variations in elevation — a maximum elevation change of 27 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 31 m; within 80 km, significant variations in elevation — a maximum elevation change of 374 m.

The land around Comalcalco is covered by trees (44%), grassland (30%) and artificial surfaces (23%) within 3 km, grassland (38%) and trees (37%) within 16 km, and grassland (35%) and water (31%) within 80 km.

3 km
27 m
16 km
31 m
80 km
374 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Paraiso 15 km · Jalpa de Méndez 20 km · Cunduacán 23 km · Taxco 27 km · Cárdenas 33 km · Villahermosa 43 km · Reforma 46 km · Huimanguillo 51 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 Comalcalco (18.265°, -93.2243°, elevation 10 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).