Mesa weather in October

In October, Mesa sees average daytime highs of 87°F and overnight lows near 61°F, with 0.8 in of rain across 2.2 wet days and about 11.2 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 92°F in the first days to 81°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 Mesa's 2nd-clearest and 6th-windiest month. For the whole year in context, see Mesa's year-round climate.

Daytime high
87°
6th warmest
Overnight low
61°
7th coldest
Rainfall
0.8 in
2.2 wet days
Daylight
11 h 12 min
6:38 AM – 5:47 PM
Cloud cover
21%
2nd clearest
Wind
5 mph
6th windiest
Solar energy
5.02 kWh/m²
Travel score
6.2
out of 10

Mesa is city in Maricopa County, Arizona, United States.

Density
1,329/km²
people per km²
Founded
1878

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 92°F in the first days to 81°F by the end.

A typical October day in Mesa reaches about 87°F in the afternoon and slips back to 61°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 76°F and 96°F. Set against its neighbours, October runs about 11°F cooler than September and about 13°F warmer than November.

40°60°80°100°151015202531
Avg high (°F)Avg low (°F)
19368
29367
39267
49266
59166
69165
79165
89064
99064
108964
118963
128963
138862
148862
158762
168761
178761
188660
198660
208560
218559
228459
238458
248358
258358
268257
278257
288256
298156
308156
318055

How October really feels in Mesa

Once humidity and wind are folded in, October averages 9 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
9
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mesa weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan65° / 42°1.63.9107.3
Feb69° / 45°1.74.510.87.4
Mar75° / 50°1.13.211.78.3
Apr83° / 56°0.41.412.87.4
May92° / 66°0.20.813.74.3
Jun102° / 75°0.10.414.20.9
Jul104° / 82°0.73.2140.1
Aug102° / 81°1.0413.20.6
Sep97° / 74°1.0312.22.4
Oct87° / 61°0.82.211.26.2
Nov74° / 49°0.82.410.38.5
Dec64° / 42°1.34.19.87.0

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
28911
38911
48911
58911
68812
78812
88812
98812
108911
118911
128911
138911
148911
158911
168812
178812
188812
198812
208812
218713
228614
238614
248614
258614
268614
278614
288614
298515
308416
318416

Chance of precipitation in October

Any precipitation

Mesa gets around 0.8 in of rain over 2.2 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 7% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
27
37
47
57
67
77
87
97
107
117
127
137
147
157
166
177
187
197
207
217
227
237
247
257
267
277
287
297
307
317

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
185852
285852
386851
486851
587841
688741
788741
889740
990640
1090640
1191630
1291630
1392530
1492530
1593520
1693520
1794420
1895410
1995410
2095410
2195410
2296310
2397300
2497300
2597300
2697300
2797300
2898200
2998200
3098200
3198200

Wind in October

Winds average 5 mph in October.

Across October, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 6:26 AM to 6:51 AM, and sunset from 6:06 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:266:06
211.66:276:05
311.66:286:04
411.66:286:02
511.56:296:01
611.56:306:00
711.56:315:58
811.46:315:57
911.46:325:56
1011.46:335:54
1111.36:345:53
1211.36:345:52
1311.36:355:51
1411.26:365:49
1511.26:375:48
1611.26:385:47
1711.16:395:46
1811.16:395:45
1911.16:405:43
2011.06:415:42
2111.06:425:41
2211.06:435:40
2310.96:445:39
2410.96:445:38
2510.96:455:37
2610.86:465:36
2710.86:475:35
2810.86:485:34
2910.76:495:33
3010.76:505:32
3110.76:515:31

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.02 kWh/m².

For context, solar energy here swings from a low near 3.15 kWh/m² to a high of 8.46 kWh/m² in June across the year — October's 5.02 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.4Bright
314.4Bright
Planning a trip in October

Is October a good time to visit Mesa?

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

6.2
Sightseeing
7th-best month of the year
8.4
Beach & pool
2nd-best month of the year

October is a reasonable time to visit Mesa for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mesa in October

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

In October, Mesa sees daytime highs around 87°F and nights near 61°F. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Mesa in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mesa peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 14UV 11Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7High
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Mesa 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 Mesa is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 11 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJun 1730 µg/m³Dec 1211 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb12Good
Mar12Good
Apr12Good
May13Moderate
Jun32Moderate
Jul15Moderate
Aug13Moderate
Sep13Moderate
Oct13Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Mesa?

Mesa sits at 33.4°N, 111.8°W, 1,240 ft above sea level, in United States. The nearest listed city is Tempe, 5.0 mi away.

Topography around Mesa

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

Within 2 miles, the terrain around Mesa has only modest variations in elevation — a maximum elevation change of 62 ft around an average of 1,243 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,125 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,270 ft.

The land around Mesa is covered by artificial surfaces (82%) within 2 miles, artificial surfaces (61%) within 10 miles, and shrubs (54%) within 50 miles.

2 miles
62 ft
10 miles
1,125 ft
50 miles
7,270 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Tempe 5.0 mi · Gilbert 5.0 mi · Tempe Junction 6.8 mi · Scottsdale 7.5 mi · Chandler 8.1 mi · Ahwatukee Foothills 11 mi · Central City 14 mi · Fountain Hills 14 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 Mesa (33.4223°, -111.8226°, elevation 1,240 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).