Matamoros weather in May

In May, Matamoros sees average daytime highs of 35°C and overnight lows near 21°C, with 10 mm of rain across 2.1 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 34°C in the first days to 36°C by the end. The sky is clear or mostly clear about 74% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of May to 13 h 30 min by month's end. Set against the rest of the year, May is Matamoros's 1st-clearest and 4th-windiest month. For the whole year in context, see Matamoros's year-round climate.

Daytime high
35°
2nd warmest
Overnight low
21°
9th coldest
Rainfall
10 mm
2.1 wet days
Daylight
13 h 12 min
6:12 AM – 7:26 PM
Cloud cover
28%
1st clearest
Wind
10 km/h
4th windiest
Solar energy
7.96 kWh/m²
Travel score
3.2
out of 10

Matamoros is municipal seat of Matamoros, State of Coahuila, Mexico.

Founded
1842

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 34°C in the first days to 36°C by the end.

A typical May day in Matamoros reaches about 35°C in the afternoon and slips back to 21°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 38°C. Set against its neighbours, May runs about 3°C warmer than April and on par with June.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13420
23420
33420
43420
53420
63420
73420
83420
93520
103521
113521
123521
133521
143521
153521
163521
173521
183521
193521
203521
213522
223522
233522
243522
253622
263622
273622
283622
293622
303622
313622

How May really feels in Matamoros

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
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.

Matamoros weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 101.810.68.2
Feb25° / 11°6111.18.6
Mar29° / 14°81.511.87.4
Apr32° / 18°30.912.64.9
May35° / 21°102.113.23.2
Jun35° / 23°233.613.62.9
Jul34° / 23°40613.43.4
Aug34° / 23°294.812.93.7
Sep32° / 21°426.612.24.8
Oct29° / 17°192.911.46.6
Nov25° / 13°91.710.88.7
Dec22° / 71.410.48.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in May, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17921
28020
38020
48020
58119
68119
78218
88218
98218
108317
118416
128317
138416
148416
158515
168614
178614
188614
198713
208812
218812
228911
238911
249010
259010
269010
27919
28928
29928
30928
31928

Chance of precipitation in May

Any precipitation

Matamoros gets around 10 mm of rain over 2.1 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 7% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
44
54
65
75
85
96
106
116
126
137
147
157
168
178
188
198
208
218
228
238
248
258
268
279
289
299
309
319

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
194600
294600
393700
493700
593700
692800
792800
892800
991900
1091900
11901000
12891010
13881110
14881110
15871210
16861310
17861310
18851410
19831520
20831520
21821620
22821620
23811720
24801730
25791731
26781831
27781831
28761941
29761941
30752041
31732052

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 10 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
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 54 min at the start of May to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over May. Sunrise moves from 6:22 AM to 6:06 AM, and sunset from 7:18 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:227:18
213.06:217:19
313.06:207:20
413.06:197:20
513.06:197:21
613.16:187:21
713.16:177:22
813.16:177:22
913.16:167:23
1013.16:157:23
1113.26:157:24
1213.26:147:24
1313.26:147:25
1413.26:137:25
1513.26:127:26
1613.26:127:26
1713.36:117:27
1813.36:117:27
1913.36:107:28
2013.36:107:29
2113.36:107:29
2213.36:097:30
2313.46:097:30
2413.46:087:31
2513.46:087:31
2613.46:087:32
2713.46:077:32
2813.46:077:33
2913.46:077:33
3013.46:077:34
3113.56:067:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.96 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.21 kWh/m² to a high of 7.96 kWh/m² in May across the year — May's 7.96 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.8Intense
27.8Intense
37.8Intense
47.9Intense
57.9Intense
67.9Intense
77.9Intense
87.9Intense
97.9Intense
107.9Intense
117.9Intense
128.0Intense
138.0Intense
148.0Intense
158.0Intense
168.0Intense
178.0Intense
188.0Intense
198.0Intense
208.0Intense
218.0Intense
228.0Intense
238.0Intense
248.0Intense
258.0Intense
268.0Intense
278.0Intense
288.0Intense
298.0Intense
308.0Intense
318.0Intense
Planning a trip in May

Is May a good time to visit Matamoros?

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

3.2
Sightseeing
11th-best month of the year
6.9
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Matamoros. The water and warmth also suit a beach or pool day.

What to pack for Matamoros in May

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

In May, Matamoros sees daytime highs around 35°C and nights near 21°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Matamoros in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Matamoros peaks around July 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 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 highHighJul 12UV 13Dec 18UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Extreme
Apr12Extreme
May13Extreme
Jun13Extreme
Jul13Extreme
Aug12Extreme
Sep11Extreme
Oct8Very high
Nov6High
Dec5High
Location & terrain

Where is Matamoros?

Matamoros sits at 25.5°N, 103.2°W, 1,117 m above sea level, in Mexico. The nearest listed city is Torreón, 19 km away.

Topography around Matamoros

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

Within 3 km, the terrain around Matamoros has only modest variations in elevation — a maximum elevation change of 12 m around an average of 1,114 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 550 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,032 m.

The land around Matamoros is covered by shrubs (29%), artificial surfaces (28%) and bare terrain (22%) within 3 km, shrubs (35%), cropland (27%) and bare terrain (25%) within 16 km, and shrubs (63%) and bare terrain (26%) within 80 km.

3 km
12 m
16 km
550 m
80 km
2,032 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Torreón 19 km · Gómez Palacio 28 km · Francisco I. Madero 28 km · Lerdo 30 km · San Pedro 35 km · Parras de la Fuente 106 km · Juan Aldama 138 km · Guadalupe Victoria 150 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 Matamoros (25.527°, -103.2285°, elevation 1,117 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).