Heroica Matamoros in Winter

In winter (December, January and February), Heroica Matamoros sees average daytime highs around 22°C and overnight lows near 13°C, with 93 mm of rain over about 17 wet days across the season. It is the coldest season of the year and the driest season of the year.

Across winter, daytime highs hold fairly steady around 22°C. The sky is clear or mostly clear about 32% of the time across winter, and the air most often feels dry.

Winter is Heroica Matamoros's best season of the year to visit on our travel score. For the whole year in context, see Heroica Matamoros's year-round climate.

Avg daytime high
22°C
coldest season of the year
Avg overnight low
13°C
Rainfall
93 mm
17 wet days
Avg wind
18 km/h
Travel score
7.3
best season of the year
Months
Dec · Jan · Feb

Temperature in Heroica Matamoros in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 22°C.

A typical winter day in Heroica Matamoros reaches about 22°C and drops to 13°C overnight. The warmest of the three months is February, the coolest January.

10°15°20°25°30°DecJanFeb

How winter really feels in Heroica Matamoros

Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Heroica Matamoros weather by month

How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.

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 Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time across winter.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Winter

Any precipitation

Heroica Matamoros gets around 93 mm of rain over 17 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%DecJanFeb

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Winter

Winds average 18 km/h across winter.

0510152025DecJanFeb

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 10 h 30 min in early December to 11 h 24 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 3.3 kWh/m².

012345DecJanFeb
Planning a trip in winter

Hazard calendar for Heroica Matamoros

In seasonPeak

None of Heroica Matamoros's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

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 winter a good time to visit Heroica Matamoros?

Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

7.3
Sightseeing
1st-best month of the year
5.3
Beach & pool
4th-best month of the year

winter is one of the better times to visit Heroica Matamoros for general sightseeing.

What to pack for Heroica Matamoros in Winter

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

In winter, Heroica Matamoros sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes. About 17 days see rain.

light clothes

Sea temperature near Heroica Matamoros in Winter

The nearest coast averages about 20°C across winter — 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 Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 6 — 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 Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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
Winter 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.