Oro Valley in Summer
In summer (June, July and August), Oro Valley sees average daytime highs around 95°F and overnight lows near 74°F, with 4.7 in of rain over about 23 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 95°F. The sky is clear or mostly clear about 58% of the time across summer, and the air most often feels dry.
Summer is Oro Valley's weakest season of the year to visit on our travel score. For the whole year in context, see Oro Valley's year-round climate.
- Avg daytime high
- 95°F
- warmest season of the year
- Avg overnight low
- 74°F
- Rainfall
- 4.7 in
- 23 wet days
- Avg wind
- 5 mph
- Travel score
- 2.9
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Oro Valley in Summer
Across summer, daytime highs hold fairly steady around 95°F.
A typical summer day in Oro Valley reaches about 95°F and drops to 74°F overnight. The warmest of the three months is June, the coolest June.
How summer really feels in Oro Valley
Once humidity and wind are folded in, summer brings about 92 days that feel above 90°F and 0 that feel at or below 32°F.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Oro Valley 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 (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 61° / 41° | 1.5 | 4.5 | 0.5 | 10.1 | 6.2 |
| Feb | 64° / 43° | 1.5 | 4.7 | 0.4 | 10.8 | 6.9 |
| Mar | 71° / 48° | 0.9 | 3.5 | 0.2 | 11.8 | 8.0 |
| Apr | 78° / 54° | 0.4 | 1.6 | 0.1 | 12.8 | 8.7 |
| May | 87° / 62° | 0.2 | 1.2 | 0 | 13.6 | 6.2 |
| Jun | 96° / 71° | 0.2 | 1.4 | 0 | 14.1 | 3.1 |
| Jul | 95° / 76° | 2.3 | 10.4 | 0 | 13.9 | 2.5 |
| Aug | 93° / 74° | 2.1 | 11.6 | 0 | 13.2 | 3.0 |
| Sep | 90° / 69° | 1.3 | 4.9 | 0 | 12.2 | 4.6 |
| Oct | 82° / 59° | 0.7 | 3 | 0 | 11.2 | 7.8 |
| Nov | 70° / 48° | 0.9 | 3 | 0.1 | 10.3 | 8.1 |
| Dec | 61° / 41° | 1.5 | 4.4 | 0.2 | 9.9 | 6.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 58% of the time across summer.
Chance of precipitation in Summer
Oro Valley gets around 4.7 in of rain over 23 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 5 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 hours in early June to 12 h 42 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 7.4 kWh/m².
Is summer a good time to visit Oro Valley?
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 Oro Valley. The water and warmth also suit a beach or pool day.
What to pack for Oro Valley in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Oro Valley sees daytime highs around 95°F and nights near 74°F. Pack light clothes and sun protection. Worth having: rain gear. About 23 days see rain.
UV index in Oro Valley 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 Oro Valley peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 | 6 | 9 | 9 | 11 | 11 | 11 | 10 | 7 | 5 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 9 | Very high |
| May | 9 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 7 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Oro Valley 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 Oro Valley is worst in June — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 9 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) | 10 | 10 | 11 | 12 | 11 | 15 | 12 | 11 | 11 | 10 | 10 | 9 |
| Level | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 12 | Good |
| May | 11 | Good |
| Jun | 15 | Moderate |
| Jul | 12 | Moderate |
| Aug | 11 | Good |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Oro Valley?
Oro Valley sits at 32.4°N, 111.0°W, 2,618 ft above sea level, in United States. The nearest listed city is Casas Adobes, 5.0 mi away.
Topography around Oro Valley
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Oro Valley.
Within 2 miles, the terrain around Oro Valley has large variations in elevation — a maximum elevation change of 2,694 ft around an average of 2,730 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 6,654 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,854 ft.
The land around Oro Valley is covered by shrubs (60%) and artificial surfaces (32%) within 2 miles, shrubs (66%) and artificial surfaces (24%) within 10 miles, and shrubs (79%) 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 Oro Valley (32.3909°, -110.9665°, elevation 2,618 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.