La Isla weather in May

In May, La Isla sees average daytime highs of 34°C and overnight lows near 25°C, with 94 mm of rain across 12.5 wet days and about 12.9 hours of daylight. It is the 1st-warmest and 6th-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 33% 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 La Isla's 4th-clearest and 4th-windiest month. For the whole year in context, see La Isla's year-round climate.

Daytime high
34°
1st warmest
Overnight low
25°
12th coldest
Rainfall
94 mm
12.5 wet days
Daylight
12 h 54 min
5:55 AM – 6:47 PM
Cloud cover
53%
4th clearest
Wind
6 km/h
4th windiest
Solar energy
6.27 kWh/m²
Travel score
2.8
out of 10

La Isla is bad geoname 3525596.

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 La Isla reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°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 on par with 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
183425
193425
203425
213425
223425
233425
243425
253425
263425
273425
283425
293425
303425
313425

How May really feels in La Isla

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.

La Isla weather by month

How May compares with the rest of the year at a glance. May 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
Jan26° / 19°356.7117.2
Feb28° / 20°254.911.46.8
Mar31° / 21°25511.95.3
Apr33° / 24°40612.43.7
May34° / 25°9412.512.92.8
Jun33° / 25°31924.113.12.3
Jul32° / 24°33525.9132.5
Aug32° / 24°32926.812.62.4
Sep32° / 24°36526.112.12.6
Oct30° / 23°21318.611.63.8
Nov28° / 21°8711.711.15.7
Dec27° / 19°377.210.97.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36139
46139
56040
66139
76040
86040
95941
105842
115941
125941
135941
145941
156040
166040
175941
185941
195941
205842
215842
225842
235743
245644
255644
265446
275446
285248
295149
305050
314852

Chance of precipitation in May

Any precipitation

La Isla gets around 94 mm of rain over 12.5 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 41% and peaks near 60% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
123
224
324
425
526
627
728
830
931
1033
1134
1236
1337
1439
1541
1642
1744
1845
1946
2047
2148
2249
2350
2451
2552
2653
2754
2856
2957
3058
3160

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13146518
22146519
32136520
42136421
52136322
62126323
72116324
82116225
92106226
102106226
11296227
12296128
13286129
14186130
15176131
16176032
17175834
18165835
19165736
20155638
21155539
22155440
23145441
24145342
25035443
26035344
27035245
28025246
29025147
30015148
31014950

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:02 AM to 5:51 AM, and sunset from 6:42 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:026:42
212.76:016:42
312.76:016:42
412.76:006:43
512.76:006:43
612.75:596:43
712.85:596:44
812.85:586:44
912.85:586:44
1012.85:576:45
1112.85:576:45
1212.85:566:46
1312.85:566:46
1412.85:556:46
1512.95:556:47
1612.95:556:47
1712.95:546:47
1812.95:546:48
1912.95:546:48
2012.95:536:49
2112.95:536:49
2212.95:536:49
2313.05:536:50
2413.05:526:50
2513.05:526:50
2613.05:526:51
2713.05:526:51
2813.05:526:52
2913.05:516:52
3013.05:516:52
3113.05:516:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.27 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.5 kWh/m² to a high of 6.27 kWh/m² in May across the year — May's 6.27 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.1Intense
Planning a trip in May

Hazard calendar for La Isla

In seasonPeak

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

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

La Isla'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 La Isla?

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

2.8
Sightseeing
8th-best month of the year
5.6
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in La Isla.

What to pack for La Isla in May

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

In May, La Isla sees daytime highs around 34°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

Sea temperature near La Isla in May

The nearest coast averages about 27°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 42 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
Jan23Refreshing
Feb23Refreshing
Mar24Warm
Apr26Warm
May27Warm
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov27Warm
Dec25Warm

UV index in La Isla 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 La Isla peaks around August 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 highHighAug 17UV 13Dec 17UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar10Extreme
Apr13Extreme
May8Very high
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in La Isla 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 La Isla 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 La Isla?

La Isla sits at 18.6°N, 96.2°W, 23 m above sea level, in Mexico. The nearest listed city is Tierra Blanca, 28 km away.

Topography around La Isla

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

Within 3 km, the terrain around La Isla has only modest variations in elevation — a maximum elevation change of 25 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 72 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,176 m.

The land around La Isla is covered by grassland (53%) and trees (30%) within 3 km, grassland (54%) and trees (23%) within 16 km, and trees (32%) and grassland (27%) within 80 km.

3 km
25 m
16 km
72 m
80 km
2,176 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Tierra Blanca 28 km · Tres Valles 40 km · Alvarado 45 km · Cosamaloapan 45 km · Carlos A. Carrillo 49 km · Tlacotalpan 52 km · Tuxtepec 57 km · Loma Bonita 62 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 La Isla (18.6°, -96.15°, elevation 23 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).