Matías Romero Avendaño in Summer

In summer (June, July and August), Matías Romero Avendaño sees average daytime highs around 31°C and overnight lows near 23°C, with 631 mm of rain over about 72 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.

Over the season highs ease from about 33°C in early June to 30°C by late August. The sky is clear or mostly clear about 8% of the time across summer, and the air most often feels oppressive.

Summer is Matías Romero Avendaño's weakest season of the year to visit on our travel score. For the whole year in context, see Matías Romero Avendaño's year-round climate.

Avg daytime high
31°C
2nd-warmest season
Avg overnight low
23°C
Rainfall
631 mm
72 wet days
Avg wind
12 km/h
Travel score
3.0
weakest season of the year
Months
Jun · Jul · Aug

Temperature in Matías Romero Avendaño in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 33°C in early June to 30°C by late August.

A typical summer day in Matías Romero Avendaño reaches about 31°C and drops to 23°C overnight. The warmest of the three months is June, the coolest July.

20°25°30°35°40°JunJulAug

How summer really feels in Matías Romero Avendaño

Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
92
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Matías Romero Avendaño weather by month

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 18°4710.911.16.7
Feb27° / 19°347.211.46.7
Mar30° / 20°286.411.95.6
Apr33° / 22°255.412.44.2
May33° / 23°6210.512.83.3
Jun32° / 23°19020.7132.9
Jul30° / 23°21125.312.93.0
Aug30° / 23°23126.412.63.0
Sep30° / 23°23923.712.13.3
Oct28° / 22°16819.311.64.5
Nov27° / 20°8714.411.25.8
Dec25° / 19°4710.8116.5

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Matías Romero Avendaño gets around 631 mm of rain over 72 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 12 km/h across summer.

05101520JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 12 h 54 min in early June to 12 h 18 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.3 kWh/m².

0246JunJulAug
Planning a trip in summer

Hazard calendar for Matías Romero Avendaño

In seasonPeak

In summer, Matías Romero Avendaño overlaps its monsoon season. The full year is below, with each hazard's peak months called out.

Matías Romero Avendaño'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 summer a good time to visit Matías Romero Avendaño?

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

3.0
Sightseeing
4th-best month of the year
4.4
Beach & pool
4th-best month of the year

summer is a weaker month for outdoor sightseeing in Matías Romero Avendaño.

What to pack for Matías Romero Avendaño in Summer

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

In summer, Matías Romero Avendaño sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 72 days see rain.

light clothesrain gearsun protection

UV index in Matías Romero Avendaño in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages 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 Matías Romero Avendaño peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 16UV 13Dec 18UV 8
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Matías Romero Avendaño in Summer

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Matías Romero Avendaño is worst in May — around 53 µg/m³ PM2.5 (poor), about 5.2× the cleanest month (January, 10 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodMay 1650 µg/m³Jan 1510 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar16Moderate
Apr27Moderate
May53Poor
Jun26Moderate
Jul29Moderate
Aug22Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Matías Romero Avendaño?

Matías Romero Avendaño sits at 16.9°N, 95.0°W, 186 m above sea level, in Mexico. The nearest listed city is Ixtepec, 36 km away.

Topography around Matías Romero Avendaño

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

Within 3 km, the terrain around Matías Romero Avendaño has only modest variations in elevation — a maximum elevation change of 92 m around an average of 205 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,088 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,304 m.

The land around Matías Romero Avendaño is covered by trees (46%) and grassland (38%) within 3 km, trees (62%) and grassland (36%) within 16 km, and trees (61%) and grassland (23%) within 80 km.

3 km
92 m
16 km
1,088 m
80 km
2,304 m
treesshrubsgrasslandcroplandartificial surfaceswater
Summer weather nearby: Ixtepec 36 km · Heroica Ciudad de Juchitán de Zaragoza 49 km · Santo Domingo Tehuantepec 65 km · Salina Cruz 80 km · Acayucan 120 km · Jáltipan de Morelos 126 km · Cosoleacaque 132 km · Minatitlán 135 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 Matías Romero Avendaño (16.8774°, -95.0382°, elevation 186 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.