Tres Valles weather in May

In May, Tres Valles sees average daytime highs of 35°C and overnight lows near 26°C, with 111 mm of rain across 12.9 wet days and about 12.8 hours of daylight. It is the 1st-warmest and 6th-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 34% 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 Tres Valles's 4th-clearest and 5th-windiest month. For the whole year in context, see Tres Valles's year-round climate.

Daytime high
35°
1st warmest
Overnight low
26°
12th coldest
Rainfall
111 mm
12.9 wet days
Daylight
12 h 54 min
5:55 AM – 6:46 PM
Cloud cover
54%
4th clearest
Wind
5 km/h
5th windiest
Solar energy
6.25 kWh/m²
Travel score
2.6
out of 10

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 Tres Valles reaches about 35°C in the afternoon and slips back to 26°C overnight — a 9°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)
13525
23525
33525
43525
53525
63525
73525
83525
93525
103525
113526
123526
133526
143526
153526
163526
173526
183526
193526
203526
213426
223426
233426
243426
253426
263426
273426
283426
293426
303426
313426

How May really feels in Tres Valles

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.

Tres Valles 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
Jan27° / 19°407.2117.1
Feb28° / 20°305.411.46.5
Mar31° / 22°28511.95.1
Apr34° / 24°43612.43.4
May35° / 26°11112.912.82.6
Jun33° / 25°34724.213.12.2
Jul33° / 25°36325.9132.4
Aug33° / 25°37527.112.62.3
Sep32° / 24°41426.612.12.4
Oct31° / 23°24818.811.63.7
Nov29° / 21°10411.911.15.5
Dec27° / 20°457.610.96.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56337
66238
76238
86238
96139
106139
116139
126040
136139
146139
156139
166139
176139
186040
195941
205941
215842
225743
235644
245644
255545
265446
275446
285248
295050
304951
314852

Chance of precipitation in May

Any precipitation

Tres Valles gets around 111 mm of rain over 12.9 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 42% and peaks near 59% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
124
225
325
426
527
628
729
831
932
1034
1135
1237
1339
1440
1542
1643
1745
1846
1947
2049
2150
2250
2351
2452
2553
2654
2755
2856
2957
3058
3159

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 (%)
13146419
22146519
32136520
42136421
52126422
62126323
72116324
82116324
92106325
102106226
11296227
12296128
13296029
14196030
15186031
16185833
17175834
18175735
19165736
20165538
21165439
22155440
23155341
24155242
25045343
26045244
27035245
28035146
29025147
30025048
31014949

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
225calm
235calm
245calm
255calm
264calm
274calm
284calm
294calm
304calm
314calm

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 5:52 AM, and sunset from 6:41 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:026:41
212.76:026:42
312.76:016:42
412.76:006:42
512.76:006:43
612.75:596:43
712.75:596:43
812.85:586:44
912.85:586:44
1012.85:586:44
1112.85:576:45
1212.85:576:45
1312.85:566:45
1412.85:566:46
1512.85:556:46
1612.95:556:46
1712.95:556:47
1812.95:546:47
1912.95:546:48
2012.95:546:48
2112.95:546:48
2212.95:536:49
2312.95:536:49
2412.95:536:49
2513.05:536:50
2613.05:526:50
2713.05:526:51
2813.05:526:51
2913.05:526:51
3013.05:526:52
3113.05:526:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.25 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 6.25 kWh/m² in May across the year — May's 6.25 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
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
316.0Intense
Planning a trip in May

Hazard calendar for Tres Valles

In seasonPeak

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

Tres Valles's monsoon runs June–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 Tres Valles?

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

2.6
Sightseeing
8th-best month of the year
5.3
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Tres Valles.

What to pack for Tres Valles in May

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

In May, Tres Valles sees daytime highs around 35°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.

light clothessun protectionrain gear

UV index in Tres Valles 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 Tres Valles peaks around August 16 at about 12 (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 highAug 16UV 12Dec 17UV 7
UV index (midday)Level
Jan7Very high
Feb10Extreme
Mar10Extreme
Apr12Extreme
May8Very high
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Tres Valles 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 Tres Valles is worst in May — around 49 µg/m³ PM2.5 (poor), about 3.7× the cleanest month (January, 13 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1647 µg/m³Jan 1513 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar20Moderate
Apr31Moderate
May49Poor
Jun28Moderate
Jul31Moderate
Aug24Moderate
Sep21Moderate
Oct15Moderate
Nov14Moderate
Dec15Moderate
Location & terrain

Where is Tres Valles?

Tres Valles sits at 18.2°N, 96.1°W, 56 m above sea level, in Mexico. The nearest listed city is Tuxtepec, 17 km away.

Topography around Tres Valles

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

Within 3 km, the terrain around Tres Valles has only modest variations in elevation — a maximum elevation change of 43 m around an average of 39 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 71 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,020 m.

The land around Tres Valles is covered by trees (44%) and grassland (25%) within 3 km, cropland (49%), grassland (24%) and trees (23%) within 16 km, and trees (46%) and grassland (29%) within 80 km.

3 km
43 m
16 km
71 m
80 km
3,020 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
May weather nearby: Tuxtepec 17 km · Loma Bonita 31 km · Tierra Blanca 33 km · Cosamaloapan 38 km · La Isla 40 km · Carlos A. Carrillo 43 km · Tlacotalpan 65 km · Isla 68 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 Tres Valles (18.2391°, -96.1357°, elevation 56 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).