Rio Rico in Fall
In fall (September, October and November), Rio Rico sees average daytime highs around 78°F and overnight lows near 54°F, with 2.9 in of rain over about 12 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 87°F in early September to 65°F by late November. The sky is clear or mostly clear about 70% of the time across fall, and the air most often feels dry.
Fall is Rio Rico's 2nd-best season to visit on our travel score. For the whole year in context, see Rio Rico's year-round climate.
- Avg daytime high
- 78°F
- 2nd-warmest season
- Avg overnight low
- 54°F
- Rainfall
- 2.9 in
- 12 wet days
- Avg wind
- 6 mph
- Travel score
- 7.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Rio Rico in Fall
Over the season highs ease from about 87°F in early September to 65°F by late November.
A typical fall day in Rio Rico reaches about 78°F and drops to 54°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Rio Rico
Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Rio Rico 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 62° / 37° | 1.1 | 3.7 | 0.4 | 10.2 | 6.3 |
| Feb | 64° / 40° | 1.2 | 4.5 | 0.4 | 10.9 | 6.8 |
| Mar | 69° / 44° | 0.8 | 3.1 | 0.3 | 11.8 | 7.9 |
| Apr | 76° / 49° | 0.3 | 1.5 | 0.1 | 12.7 | 8.8 |
| May | 85° / 56° | 0.2 | 1.2 | 0 | 13.6 | 7.1 |
| Jun | 92° / 65° | 0.3 | 2.3 | 0 | 14 | 4.1 |
| Jul | 91° / 69° | 3.2 | 13.5 | 0 | 13.8 | 3.5 |
| Aug | 88° / 67° | 2.9 | 14 | 0 | 13.1 | 4.1 |
| Sep | 86° / 64° | 1.5 | 6.5 | 0 | 12.2 | 5.7 |
| Oct | 79° / 54° | 0.7 | 2.7 | 0 | 11.2 | 8.3 |
| Nov | 69° / 44° | 0.7 | 2.5 | 0.1 | 10.4 | 8.1 |
| Dec | 61° / 37° | 1.2 | 4.4 | 0.5 | 10 | 6.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 70% of the time across fall.
Chance of precipitation in Fall
Rio Rico gets around 2.9 in of rain over 12 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 6 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early September to 10 h 06 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 5.1 kWh/m².
Is fall a good time to visit Rio Rico?
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 one of the better times to visit Rio Rico for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rio Rico in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Rio Rico sees daytime highs around 78°F and nights near 54°F. Pack light clothes. Worth having: a warm layer and sun protection. About 12 days see rain.
UV index in Rio Rico 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 Rio Rico peaks around June 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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) | 4 | 5 | 7 | 10 | 10 | 12 | 11 | 11 | 10 | 7 | 5 | 4 |
| Level | Moderate | High | High | Very high | Very high | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 5 | High |
| Mar | 7 | High |
| Apr | 10 | Very high |
| May | 10 | Very high |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 7 | Very high |
| Nov | 5 | High |
| Dec | 4 | Moderate |
Where is Rio Rico?
Rio Rico sits at 31.5°N, 111.0°W, 3,481 ft above sea level, in United States. The nearest listed city is Nogales, 9.3 mi away.
Topography around Rio Rico
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Rio Rico.
Within 2 miles, the terrain around Rio Rico has only modest variations in elevation — a maximum elevation change of 604 ft around an average of 3,524 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,822 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,339 ft.
The land around Rio Rico is covered by shrubs (63%) within 2 miles, shrubs (74%) within 10 miles, and shrubs (80%) 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 Rio Rico (31.4715°, -110.9765°, elevation 3,481 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.