Del Rio in Fall
In fall (September, October and November), Del Rio sees average daytime highs around 82°F and overnight lows near 62°F, with 5.9 in of rain over about 18 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs ease from about 94°F in early September to 69°F by late November. The sky is clear or mostly clear about 56% of the time across fall, and the air most often feels dry.
Fall is Del Rio's 2nd-best season to visit on our travel score. For the whole year in context, see Del Rio's year-round climate.
- Avg daytime high
- 82°F
- 3rd-warmest season
- Avg overnight low
- 62°F
- Rainfall
- 5.9 in
- 18 wet days
- Avg wind
- 8 mph
- Travel score
- 6.1
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Del Rio in Fall
Over the season highs ease from about 94°F in early September to 69°F by late November.
A typical fall day in Del Rio reaches about 82°F and drops to 62°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Del Rio
Once humidity and wind are folded in, fall brings about 26 days that feel above 90°F and 0 that feel at or below 32°F.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Del Rio weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 65° / 44° | 0.9 | 3.5 | 10.3 | 7.1 |
| Feb | 70° / 48° | 0.9 | 4 | 10.9 | 7.6 |
| Mar | 77° / 55° | 1.5 | 5.2 | 11.8 | 7.7 |
| Apr | 85° / 62° | 1.7 | 5.1 | 12.7 | 6.2 |
| May | 91° / 70° | 2.5 | 7.6 | 13.4 | 3.9 |
| Jun | 96° / 76° | 1.5 | 6 | 13.8 | 2.5 |
| Jul | 97° / 78° | 1.6 | 5.5 | 13.7 | 2.1 |
| Aug | 98° / 78° | 1.6 | 4.7 | 13.1 | 2.1 |
| Sep | 91° / 72° | 2.6 | 7.5 | 12.2 | 3.9 |
| Oct | 83° / 63° | 2.2 | 6 | 11.3 | 6.6 |
| Nov | 73° / 52° | 1.2 | 4.4 | 10.5 | 7.9 |
| Dec | 65° / 44° | 0.9 | 3.8 | 10.2 | 7.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 56% of the time across fall.
Chance of precipitation in Fall
Del Rio gets around 5.9 in of rain over 18 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 8 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 36 min in early September to 10 h 18 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.4 kWh/m².
Is fall a good time to visit Del Rio?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Del Rio for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Del Rio in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Del Rio sees daytime highs around 82°F and nights near 62°F. Pack light clothes. Worth having: sun protection. About 18 days see rain.
UV index in Del Rio in Fall
Clear-sky midday UV across fall averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Del Rio peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 4 (moderate).
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 | 6 | 8 | 10 | 10 | 11 | 11 | 11 | 9 | 7 | 5 | 4 |
| Level | Moderate | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 6 | High |
| Mar | 8 | Very high |
| Apr | 10 | Very high |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 7 | High |
| Nov | 5 | Moderate |
| Dec | 4 | Moderate |
Air quality in Del Rio in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Del Rio is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (January, 6 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) | 6 | 6 | 7 | 8 | 13 | 14 | 17 | 12 | 10 | 7 | 7 | 6 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 6 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 17 | Moderate |
| Aug | 12 | Moderate |
| Sep | 10 | Good |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 6 | Good |
Where is Del Rio?
Del Rio sits at 29.4°N, 100.9°W, 968 ft above sea level, in United States. The nearest listed city is Ciudad Acuña, 4.3 mi away.
Topography around Del Rio
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Del Rio.
Within 2 miles, the terrain around Del Rio has only modest variations in elevation — a maximum elevation change of 200 ft around an average of 981 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 489 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,773 ft.
The land around Del Rio is covered by artificial surfaces (39%), trees (23%) and shrubs (23%) within 2 miles, shrubs (74%) within 10 miles, and shrubs (78%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- 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 Del Rio (29.3627°, -100.8968°, elevation 968 ft), 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.