Montemorelos weather in May

In May, Montemorelos sees average daytime highs of 32°C and overnight lows near 21°C, with 76 mm of rain across 8.8 wet days and about 13.2 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 33°C by the end. The sky is clear or mostly clear about 42% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 54 min at the start of May to 13 h 24 min by month's end. Set against the rest of the year, May is Montemorelos's 9th-clearest and 4th-windiest month. For the whole year in context, see Montemorelos's year-round climate.

Daytime high
32°
4th warmest
Overnight low
21°
8th coldest
Rainfall
76 mm
8.8 wet days
Daylight
13 h 12 min
5:59 AM – 7:12 PM
Cloud cover
49%
9th clearest
Wind
9 km/h
4th windiest
Solar energy
6.44 kWh/m²
Travel score
4.1
out of 10

Montemorelos is municipal seat of Montemorelos, State of Nuevo León, Mexico.

Density
40/km²
people per km²
Founded
1665

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 33°C by the end.

A typical May day in Montemorelos reaches about 32°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 37°C. Set against its neighbours, May runs about 2°C warmer than April and about 2°C cooler than June.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13119
23119
33119
43220
53220
63220
73220
83220
93220
103220
113220
123220
133220
143220
153221
163221
173221
183221
193221
203221
213321
223321
233321
243321
253321
263321
273321
283321
293321
303322
313322

How May really feels in Montemorelos

Once humidity and wind are folded in, May averages 29 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
29
heat index over the day's high
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.

Montemorelos weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 305.310.67.3
Feb24° / 11°325.811.17.7
Mar27° / 14°486.511.87.2
Apr30° / 18°657.612.65.5
May32° / 21°768.813.24.1
Jun34° / 22°677.613.53.3
Jul35° / 22°656.413.42.9
Aug35° / 23°587.712.92.8
Sep31° / 21°16713.412.24.2
Oct28° / 17°777.911.46.5
Nov24° / 13°335.410.87.9
Dec21° / 10°244.210.57.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% of May, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46040
56040
66040
76040
86040
96040
106139
116040
126139
136139
146238
156139
166139
176337
186337
196337
206436
216535
226535
236634
246832
256832
266931
277030
287129
297228
307327
317327

Chance of precipitation in May

Any precipitation

Montemorelos gets around 76 mm of rain over 8.8 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 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
426
527
627
728
828
929
1029
1129
1229
1330
1430
1530
1630
1730
1830
1929
2029
2129
2228
2328
2428
2527
2627
2727
2826
2926
3026
3125

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1101328427
2101227438
391127458
491026469
589264810
678254910
768255011
867255012
956255212
1046255213
1135265313
1235255314
1325255414
1425255315
1524255316
1614245516
1714235517
1814235517
1914225518
2013215718
2113205719
2213195819
2303186019
2403166120
2502156320
2602146420
2702146321
2802136421
2901136422
3001126423
3101126324

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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
118calm
128calm
138calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 54 min at the start of May to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 6:09 AM to 5:54 AM, and sunset from 7:04 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:097:04
213.06:087:05
313.06:077:05
413.06:067:06
513.06:067:07
613.06:057:07
713.16:047:08
813.16:047:08
913.16:037:09
1013.16:027:09
1113.16:027:10
1213.26:017:10
1313.26:007:11
1413.26:007:11
1513.25:597:12
1613.25:597:12
1713.25:587:13
1813.35:587:13
1913.35:577:14
2013.35:577:14
2113.35:577:15
2213.35:567:15
2313.35:567:16
2413.35:557:16
2513.45:557:17
2613.45:557:17
2713.45:557:18
2813.45:547:18
2913.45:547:19
3013.45:547:19
3113.45:547:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.44 kWh/m².

For context, solar energy here swings from a low near 3.57 kWh/m² to a high of 6.79 kWh/m² in July across the year — May's 6.44 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.4Intense
76.4Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.7Intense
306.7Intense
316.7Intense
Planning a trip in May

Is May a good time to visit Montemorelos?

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

4.1
Sightseeing
9th-best month of the year
6.7
Beach & pool
4th-best month of the year

May is a reasonable time to visit Montemorelos for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Montemorelos in May

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

In May, Montemorelos sees daytime highs around 32°C and nights near 21°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Montemorelos in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Montemorelos peaks around June 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 19UV 12Dec 19UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep10Extreme
Oct9Very high
Nov6High
Dec5High

Air quality in Montemorelos 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 Montemorelos is worst in May — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1919 µg/m³Oct 2113 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb13Moderate
Mar15Moderate
Apr15Moderate
May19Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep16Moderate
Oct13Moderate
Nov13Moderate
Dec15Moderate
Location & terrain

Where is Montemorelos?

Montemorelos sits at 25.2°N, 99.8°W, 422 m above sea level, in Mexico. The nearest listed city is Ciudad de Allende, 22 km away.

Topography around Montemorelos

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

Within 3 km, the terrain around Montemorelos has only modest variations in elevation — a maximum elevation change of 130 m around an average of 419 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 593 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,583 m.

The land around Montemorelos is covered by trees (42%) and artificial surfaces (30%) within 3 km, trees (59%) and shrubs (21%) within 16 km, and shrubs (44%) and trees (40%) within 80 km.

3 km
130 m
16 km
593 m
80 km
3,583 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ciudad de Allende 22 km · Santiago 42 km · Linares 45 km · Cadereyta 46 km · Cadereyta Jiménez 48 km · Ciudad Benito Juárez 57 km · Jardines de la Silla 61 km · Guadalupe 69 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 Montemorelos (25.189°, -99.8293°, elevation 422 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).