Tamuín weather in May

In May, Tamuín sees average daytime highs of 35°C and overnight lows near 24°C, with 74 mm of rain across 11.7 wet days and about 13 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 35% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 12 min by month's end. Set against the rest of the year, May is Tamuín's 1st-clearest and 2nd-windiest month. For the whole year in context, see Tamuín's year-round climate.

Daytime high
35°
1st warmest
Overnight low
24°
9th coldest
Rainfall
74 mm
11.7 wet days
Daylight
13 hours
6:00 AM – 7:03 PM
Cloud cover
53%
1st clearest
Wind
7 km/h
2nd windiest
Solar energy
5.88 kWh/m²
Travel score
2.5
out of 10

Tamuín is municipal seat of Tamuín, State of San Luis Potosí, Mexico.

Density
7/km²
people per km²
Founded
1741

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 Tamuín reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°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 about 2°C warmer than April and on par with June.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13423
23423
33423
43524
53524
63524
73524
83524
93524
103524
113524
123524
133524
143524
153524
163524
173524
183524
193524
203524
213524
223524
233525
243525
253525
263525
273525
283525
293525
303525
313525

How May really feels in Tamuín

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
25 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.

Tamuín 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
Jan25° / 15°346.810.87.4
Feb27° / 17°265.411.27.0
Mar30° / 19°366.811.85.3
Apr33° / 22°467.212.53.6
May35° / 24°7411.7132.5
Jun35° / 25°15818.713.32.2
Jul34° / 24°1641913.22.6
Aug34° / 24°1361812.82.6
Sep32° / 24°19620.112.12.9
Oct30° / 21°11612.311.54.7
Nov27° / 18°478.210.96.7
Dec25° / 16°255.610.77.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 26% of May, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35446
45446
55545
65644
75644
85743
95842
105842
115941
125941
136040
146040
156139
166139
176139
186238
196238
206238
216238
226337
236337
246436
256436
266436
276535
286634
296634
306733
316733

Chance of precipitation in May

Any precipitation

Tamuín gets around 74 mm of rain over 11.7 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 38% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
127
227
328
429
530
631
733
834
935
1036
1137
1238
1339
1440
1540
1641
1741
1841
1941
2041
2141
2241
2341
2442
2542
2642
2742
2843
2943
3044
3144

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11210195711
21210185712
3129185812
4128175913
5128175814
6127165915
7126165916
8126156016
9125156017
10115156018
11014156119
12014156020
13014155921
14013155922
15013155922
16013145923
17013145824
18012135925
19012135826
20012125827
21012115927
22012105928
23001106128
2400196129
2500186229
2600176329
2700166330
2800056530
2900046531
3000046531
3100036532

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 48 min at the start of May to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 6:08 AM to 5:55 AM, and sunset from 6:56 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:086:56
212.86:086:57
312.86:076:57
412.96:066:58
512.96:066:58
612.96:056:58
712.96:046:59
812.96:046:59
912.96:037:00
1013.06:037:00
1113.06:027:01
1213.06:027:01
1313.06:017:02
1413.06:017:02
1513.06:007:02
1613.06:007:03
1713.15:597:03
1813.15:597:04
1913.15:597:04
2013.15:587:05
2113.15:587:05
2213.15:587:06
2313.15:577:06
2413.25:577:06
2513.25:577:07
2613.25:567:07
2713.25:567:08
2813.25:567:08
2913.25:567:09
3013.25:567:09
3113.25:557:10

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.88 kWh/m².

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 5.92 kWh/m² in August across the year — May's 5.88 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
236.0Bright
246.0Bright
256.0Bright
266.0Intense
276.0Intense
286.0Intense
296.0Intense
306.0Intense
316.1Intense
Planning a trip in May

Hazard calendar for Tamuín

In seasonPeak

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

Tamuín'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 Tamuín?

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

2.5
Sightseeing
11th-best month of the year
5.4
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Tamuín.

What to pack for Tamuín in May

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

In May, Tamuín sees daytime highs around 35°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Tamuín 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 Tamuín peaks around June 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeExtremeVery highHighJun 18UV 12Dec 20UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr12Extreme
May9Very high
Jun12Extreme
Jul10Extreme
Aug12Extreme
Sep9Very high
Oct9Very high
Nov6High
Dec6High

Air quality in Tamuín 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 Tamuín is worst in May — around 31 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (October, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1530 µg/m³Oct 2118 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb22Moderate
Mar23Moderate
Apr27Moderate
May31Moderate
Jun25Moderate
Jul24Moderate
Aug20Moderate
Sep19Moderate
Oct18Moderate
Nov18Moderate
Dec22Moderate
Location & terrain

Where is Tamuín?

Tamuín sits at 22.0°N, 98.8°W, 27 m above sea level, in Mexico. The nearest listed city is Ciudad Valles, 24 km away.

Topography around Tamuín

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

Within 3 km, the terrain around Tamuín has only modest variations in elevation — a maximum elevation change of 20 m around an average of 23 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 533 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,890 m.

The land around Tamuín is covered by cropland (41%) and grassland (34%) within 3 km, grassland (48%) and trees (28%) within 16 km, and trees (42%) and grassland (35%) within 80 km.

3 km
20 m
16 km
533 m
80 km
2,890 m
treesshrubsgrasslandcroplandartificial surfaceswater
May weather nearby: Ciudad Valles 24 km · Ébano 48 km · Pánuco 62 km · Tamazunchale 83 km · Ciudad Mante 84 km · Cárdenas 89 km · Tantoyuca 93 km · Altamira 97 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 Tamuín (22.0055°, -98.7797°, elevation 27 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).