Oro Valley weather in October

In October, Oro Valley sees average daytime highs of 82°F and overnight lows near 59°F, with 0.7 in of rain across 3 wet days and about 11.2 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 87°F in the first days to 76°F by the end. The sky is clear or mostly clear about 78% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 42 min by month's end. Set against the rest of the year, October is Oro Valley's 2nd-clearest and 6th-windiest month. For the whole year in context, see Oro Valley's year-round climate.

Daytime high
82°
6th warmest
Overnight low
59°
7th coldest
Rainfall
0.7 in
3 wet days
Daylight
11 h 12 min
6:33 AM – 5:45 PM
Cloud cover
22%
2nd clearest
Wind
6 mph
6th windiest
Solar energy
5.14 kWh/m²
Travel score
7.8
out of 10

Oro Valley is town in Pima County, Arizona, United States.

Density
491/km²
people per km²
Founded
1974

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 87°F in the first days to 76°F by the end.

A typical October day in Oro Valley reaches about 82°F in the afternoon and slips back to 59°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 90°F. Set against its neighbours, October runs about 9°F cooler than September and about 12°F warmer than November.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
18765
28765
38764
48664
58663
68563
78562
88562
98462
108461
118361
128360
138360
148260
158259
168259
178158
188158
198058
208057
218057
227957
237956
247856
257856
267855
277755
287754
297654
307654
317653

How October really feels in Oro Valley

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Oro Valley weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan61° / 41°1.54.50.510.16.2
Feb64° / 43°1.54.70.410.86.9
Mar71° / 48°0.93.50.211.88.0
Apr78° / 54°0.41.60.112.88.7
May87° / 62°0.21.2013.66.2
Jun96° / 71°0.21.4014.13.1
Jul95° / 76°2.310.4013.92.5
Aug93° / 74°2.111.6013.23.0
Sep90° / 69°1.34.9012.24.6
Oct82° / 59°0.73011.27.8
Nov70° / 48°0.930.110.38.1
Dec61° / 41°1.54.40.29.96.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 10% of October, with mostly cloudy or overcast conditions the remaining 12%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
39010
49010
58911
68911
78911
88911
98911
108911
118911
128911
139010
148911
158911
168911
178911
188911
198812
208812
218812
228713
238713
248713
258614
268515
278515
288515
298515
308416
318416

Chance of precipitation in October

Any precipitation

Oro Valley gets around 0.7 in of rain over 3 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
310
410
510
610
710
810
910
1010
1110
1210
1310
149
159
169
179
189
199
209
219
229
239
249
259
269
279
289
299
309
319

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
187841
287841
388831
488831
591720
691720
791720
892710
993610
1093610
1193610
1294510
1394510
1495410
1596400
1697300
1797300
1898200
1998200
2098200
2199100
2299100
2399100
2499100
2599100
2699100
27100000
28100000
29100000
30100000
31100000

Wind in October

Winds average 6 mph in October.

Across October, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over October. Sunrise moves from 6:22 AM to 6:46 AM, and sunset from 6:03 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:226:03
211.76:236:02
311.66:246:01
411.66:245:59
511.66:255:58
611.56:265:57
711.56:275:56
811.46:275:54
911.46:285:53
1011.46:295:52
1111.46:295:50
1211.36:305:49
1311.36:315:48
1411.36:325:47
1511.26:335:46
1611.26:335:45
1711.26:345:43
1811.16:355:42
1911.16:365:41
2011.16:365:40
2111.06:375:39
2211.06:385:38
2311.06:395:37
2410.96:405:36
2510.96:415:35
2610.96:415:34
2710.86:425:33
2810.86:435:32
2910.86:445:31
3010.86:455:30
3110.76:465:29

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.14 kWh/m².

For context, solar energy here swings from a low near 3.32 kWh/m² to a high of 8.36 kWh/m² in June across the year — October's 5.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.6Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
224.9Bright
234.9Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
314.5Bright
Planning a trip in October

Is October a good time to visit Oro Valley?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.8
Sightseeing
4th-best month of the year
8.3
Beach & pool
2nd-best month of the year

October is one of the better times to visit Oro Valley for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Oro Valley in October

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

In October, Oro Valley sees daytime highs around 82°F and nights near 59°F. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in Oro Valley in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks 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 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.

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 Oro Valley in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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).

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 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.

2 miles
2,694 ft
10 miles
6,654 ft
50 miles
7,854 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
October weather nearby: Casas Adobes 5.0 mi · Catalina Foothills 6.8 mi · Flowing Wells 7.5 mi · Tucson 12 mi · Marana 16 mi · Tanque Verde 17 mi · Drexel Heights 17 mi · Vail 28 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 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).