Valle Hermoso in Summer
In summer (June, July and August), Valle Hermoso sees average daytime highs around 34°C and overnight lows near 25°C, with 174 mm of rain over about 28 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 34°C. The sky is clear or mostly clear about 53% of the time across summer, and the air most often feels oppressive.
Summer is Valle Hermoso's weakest season of the year to visit on our travel score. For the whole year in context, see Valle Hermoso's year-round climate.
- Avg daytime high
- 34°C
- warmest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 174 mm
- 28 wet days
- Avg wind
- 17 km/h
- Travel score
- 3.0
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Valle Hermoso in Summer
Across summer, daytime highs hold fairly steady around 34°C.
A typical summer day in Valle Hermoso reaches about 34°C and drops to 25°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Valle Hermoso
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.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Valle Hermoso 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 22° / 12° | 28 | 5.3 | 10.6 | 7.3 |
| Feb | 24° / 14° | 22 | 4.7 | 11.1 | 7.7 |
| Mar | 27° / 17° | 34 | 6 | 11.8 | 7.2 |
| Apr | 29° / 20° | 42 | 5.8 | 12.6 | 5.9 |
| May | 32° / 23° | 46 | 6.9 | 13.2 | 4.5 |
| Jun | 34° / 25° | 59 | 9.7 | 13.6 | 3.3 |
| Jul | 34° / 25° | 63 | 8.5 | 13.4 | 3.0 |
| Aug | 35° / 25° | 53 | 10.2 | 12.9 | 2.7 |
| Sep | 33° / 24° | 106 | 14.8 | 12.2 | 3.4 |
| Oct | 30° / 20° | 64 | 8.8 | 11.4 | 5.4 |
| Nov | 26° / 16° | 40 | 6.6 | 10.7 | 7.3 |
| Dec | 23° / 13° | 31 | 5.6 | 10.4 | 7.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 53% of the time across summer.
Chance of precipitation in Summer
Valle Hermoso gets around 174 mm of rain over 28 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 17 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 30 min in early June to 12 h 36 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.6 kWh/m².
Hazard calendar for Valle Hermoso
In summer, Valle Hermoso overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Valle Hermoso sits in the Atlantic hurricane belt; the season peaks August–October.
Is summer a good time to visit Valle Hermoso?
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.
summer is a weaker month for outdoor sightseeing in Valle Hermoso. The water and warmth also suit a beach or pool day.
What to pack for Valle Hermoso in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Valle Hermoso sees daytime highs around 34°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 28 days see rain.
Sea temperature near Valle Hermoso in Summer
The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 55 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 6 to Jan 9 — about 10.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 20 | 19 | 20 | 23 | 26 | 28 | 28 | 29 | 29 | 27 | 24 | 22 |
| Comfort | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 20 | Cool |
| Feb | 19 | Cool |
| Mar | 20 | Refreshing |
| Apr | 23 | Refreshing |
| May | 26 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 27 | Warm |
| Nov | 24 | Warm |
| Dec | 22 | Refreshing |
UV index in Valle Hermoso in Summer
Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Valle Hermoso peaks around June 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 7 | 8 | 11 | 9 | 12 | 11 | 11 | 10 | 8 | 6 | 5 |
| Level | High | Very high | Very high | Extreme | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | High |
| Feb | 7 | Very high |
| Mar | 8 | Very high |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Valle Hermoso in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Valle Hermoso is worst in July — around 34 µg/m³ PM2.5 (moderate), about 4.7× the cleanest month (November, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 11 | 14 | 21 | 28 | 34 | 31 | 15 | 8 | 7 | 9 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 11 | Good |
| Apr | 14 | Moderate |
| May | 21 | Moderate |
| Jun | 28 | Moderate |
| Jul | 34 | Moderate |
| Aug | 31 | Moderate |
| Sep | 15 | Moderate |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 9 | Good |
Where is Valle Hermoso?
Valle Hermoso sits at 25.7°N, 97.8°W, 16 m above sea level, in Mexico. The nearest listed city is Heroica Matamoros, 38 km away.
Topography around Valle Hermoso
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Valle Hermoso.
Within 3 km, the terrain around Valle Hermoso has only modest variations in elevation — a maximum elevation change of 6 m around an average of 14 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 19 m; within 80 km, significant variations in elevation — a maximum elevation change of 293 m.
The land around Valle Hermoso is covered by artificial surfaces (41%) and cropland (38%) within 3 km, cropland (90%) within 16 km, and cropland (42%) within 80 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
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 Valle Hermoso (25.6732°, -97.8127°, 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.