Heroica Matamoros weather in October

In October, Heroica Matamoros sees average daytime highs of 29°C and overnight lows near 21°C, with 72 mm of rain across 9.4 wet days and about 11.4 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 47% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of October to 11 hours by month's end. Set against the rest of the year, October is Heroica Matamoros's 3rd-clearest and 11th-windiest month. For the whole year in context, see Heroica Matamoros's year-round climate.

Daytime high
29°
6th warmest
Overnight low
21°
7th coldest
Rainfall
72 mm
9.4 wet days
Daylight
11 h 24 min
6:34 AM – 5:56 PM
Cloud cover
45%
3rd clearest
Wind
16 km/h
11th windiest
Solar energy
4.42 kWh/m²
Travel score
5.8
out of 10

Heroica Matamoros is municipal seat of Matamoros, State of Tamaulipas, Mexico.

Founded
1774

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 28°C by the end.

A typical October day in Heroica Matamoros reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, October runs about 3°C cooler than September and about 4°C warmer than November.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123021
132921
142921
152921
162921
172921
182921
192921
202920
212920
222920
232820
242820
252820
262820
272819
282819
292819
302819
312719

How October really feels in Heroica Matamoros

Once humidity and wind are folded in, October averages 9 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
9
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Heroica Matamoros weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 13°325.710.67.1
Feb23° / 14°275.311.17.5
Mar26° / 17°385.711.87.4
Apr28° / 20°475.912.66.5
May31° / 23°45713.25.0
Jun33° / 25°5810.313.63.8
Jul33° / 26°648.813.53.5
Aug34° / 26°5210.412.93.2
Sep32° / 24°10815.612.23.7
Oct29° / 21°729.411.45.8
Nov25° / 17°437.610.77.2
Dec22° / 13°345.910.47.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 19% of October, with mostly cloudy or overcast conditions the remaining 33%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36733
46733
56733
66733
76832
86832
96832
106832
116832
126832
136832
146832
156832
166832
176832
186832
196832
206832
216832
226733
236733
246634
256634
266634
276535
286535
296436
306337
316337

Chance of precipitation in October

Any precipitation

Heroica Matamoros gets around 72 mm of rain over 9.4 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
238
338
438
537
637
737
836
936
1035
1135
1234
1334
1433
1532
1631
1730
1829
1928
2027
2126
2225
2325
2425
2524
2624
2724
2824
2924
3024
3124

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 68% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12513184023
22513184022
32513184021
42513184120
53513194119
63513194119
73513194218
84513194217
94513204216
104613204215
115613204115
125614214014
136614214013
146615213913
157715213812
167716213811
178716223711
188816223610
19991722359
201091722348
2110101722337
2211101723327
2312111723316
2413111823315
2514111823305
2615121823294
2715121823294
2816121723283
2917121723273
3018131724263
3118131724253

Wind in October

Winds average 16 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 48 min at the start of October to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over October. Sunrise moves from 6:26 AM to 6:43 AM, and sunset from 6:12 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:266:12
211.76:276:11
311.76:276:10
411.76:286:09
511.76:286:07
611.66:296:06
711.66:296:05
811.66:306:04
911.66:306:03
1011.56:316:02
1111.56:316:01
1211.56:326:00
1311.56:325:59
1411.46:335:58
1511.46:335:57
1611.46:345:56
1711.46:345:55
1811.36:355:55
1911.36:355:54
2011.36:365:53
2111.36:375:52
2211.26:375:51
2311.26:385:50
2411.26:385:50
2511.26:395:49
2611.16:405:48
2711.16:405:47
2811.16:415:46
2911.16:415:46
3011.06:425:45
3111.06:435:44

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.42 kWh/m².

For context, solar energy here swings from a low near 2.92 kWh/m² to a high of 6.72 kWh/m² in July across the year — October's 4.42 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.2Bright
244.1Bright
254.1Bright
264.1Bright
274.0Bright
284.0Moderate
293.9Moderate
303.9Moderate
313.8Moderate
Planning a trip in October

Hazard calendar for Heroica Matamoros

In seasonPeak

In October, Heroica Matamoros sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Heroica Matamoros sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Heroica Matamoros?

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

5.8
Sightseeing
7th-best month of the year
7.1
Beach & pool
3rd-best month of the year

October is a reasonable time to visit Heroica Matamoros for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Heroica Matamoros in October

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

In October, Heroica Matamoros sees daytime highs around 29°C and nights near 21°C. Pack light clothes. Worth having: rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Heroica Matamoros in October

The nearest coast averages about 27°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 38 km away) is warmest in September at about 29°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 18 to Jan 2 — about 9.6 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar20Cool
Apr22Refreshing
May25Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct27Warm
Nov24Warm
Dec21Refreshing

UV index in Heroica Matamoros in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 Heroica Matamoros peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highExtremeVery highHighJun 21UV 12Dec 22UV 5
UV index (midday)Level
Jan5Moderate
Feb7High
Mar8Very high
Apr11Extreme
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in Heroica Matamoros in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Heroica Matamoros is worst in July — around 25 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (October, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1525 µg/m³Oct 247 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr13Moderate
May19Moderate
Jun20Moderate
Jul25Moderate
Aug18Moderate
Sep13Moderate
Oct7Good
Nov7Good
Dec9Good
Location & terrain

Where is Heroica Matamoros?

Heroica Matamoros sits at 25.9°N, 97.5°W, 16 m above sea level, in Mexico. The nearest listed city is Brownsville, 3.0 km away.

Topography around Heroica Matamoros

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

Within 3 km, the terrain around Heroica Matamoros has only modest variations in elevation — a maximum elevation change of 13 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 28 m; within 80 km, only modest variations in elevation — a maximum elevation change of 81 m.

The land around Heroica Matamoros is covered by artificial surfaces (66%) and trees (20%) within 3 km, cropland (32%), grassland (21%) and artificial surfaces (20%) within 16 km, and cropland (38%) and water (34%) within 80 km.

3 km
13 m
16 km
28 m
80 km
81 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Brownsville 3.0 km · San Benito 31 km · Valle Hermoso 38 km · Harlingen 40 km · Mercedes 51 km · Weslaco 58 km · Ciudad Río Bravo 60 km · Donna 64 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 Heroica Matamoros (25.8797°, -97.5042°, elevation 16 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).