Catalina Foothills in Summer

In summer (June, July and August), Catalina Foothills sees average daytime highs around 97°F and overnight lows near 75°F, with 2.8 in of rain over about 17 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 97°F. The sky is clear or mostly clear about 62% of the time across summer, and the air most often feels dry.

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

Avg daytime high
97°F
warmest season of the year
Avg overnight low
75°F
Rainfall
2.8 in
17 wet days
Avg wind
5 mph
Travel score
2.3
weakest season of the year
Months
Jun · Jul · Aug

Temperature in Catalina Foothills in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 97°F.

A typical summer day in Catalina Foothills reaches about 97°F and drops to 75°F overnight. The warmest of the three months is June, the coolest June.

60°80°100°JunJulAug

How summer really feels in Catalina Foothills

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.

Days feeling ≥ 90°F
92
heat index over the day's high
Days feeling ≤ 32°F
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.

Catalina Foothills 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 (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 41°1.1410.17.0
Feb67° / 44°1.13.910.87.3
Mar73° / 49°0.7311.88.4
Apr80° / 55°0.21.412.88.3
May89° / 63°0.10.813.65.5
Jun98° / 72°0.21.214.12.3
Jul98° / 77°1.37.813.92.0
Aug96° / 76°1.37.513.22.5
Sep92° / 71°1.03.712.24.0
Oct84° / 60°0.62.311.27.2
Nov72° / 49°0.72.510.38.4
Dec63° / 41°1.24.29.96.7

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 62% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Catalina Foothills gets around 2.8 in of rain over 17 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels dry — 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 5 mph across summer.

0246810JunJulAug

Sunrise & sunset in Summer

DaylightNight

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.

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 7.4 kWh/m².

02468JunJulAug
Planning a trip in summer

Is summer a good time to visit Catalina Foothills?

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.

2.3
Sightseeing
4th-best month of the year
5.5
Beach & pool
3rd-best month of the year

summer is a weaker month for outdoor sightseeing in Catalina Foothills.

What to pack for Catalina Foothills in Summer

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

In summer, Catalina Foothills sees daytime highs around 97°F and nights near 75°F. Pack light clothes and sun protection. About 17 days see rain.

light clothessun protection

UV index in Catalina Foothills in Summer

LowModerateHighVery highExtreme

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 Catalina Foothills 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 20UV 4
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar6High
Apr9Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in Catalina Foothills 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 Catalina Foothills 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1715 µg/m³Dec 219 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May11Good
Jun15Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Catalina Foothills?

Catalina Foothills sits at 32.3°N, 110.9°W, 2,575 ft above sea level, in United States. The nearest listed city is Casas Adobes, 5.0 mi away.

Topography around Catalina Foothills

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Catalina Foothills.

Within 2 miles, the terrain around Catalina Foothills has only modest variations in elevation — a maximum elevation change of 525 ft around an average of 2,556 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,755 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,779 ft.

The land around Catalina Foothills is covered by shrubs (56%) and artificial surfaces (37%) within 2 miles, shrubs (46%) and artificial surfaces (42%) within 10 miles, and shrubs (79%) within 50 miles.

2 miles
525 ft
10 miles
5,755 ft
50 miles
7,779 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
Summer weather nearby: Casas Adobes 5.0 mi · Tucson 5.0 mi · Flowing Wells 5.6 mi · Oro Valley 6.8 mi · Tanque Verde 11 mi · Drexel Heights 12 mi · Marana 21 mi · Vail 21 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Catalina Foothills (32.2978°, -110.9187°, elevation 2,575 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.