Mesa weather in July

In July, Mesa sees average daytime highs of 104°F and overnight lows near 82°F, with 0.7 in of rain across 3.2 wet days and about 14 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 104°F through the month. The sky is clear or mostly clear about 63% of the time in July, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is Mesa's 8th-clearest and 4th-windiest month. For the whole year in context, see Mesa's year-round climate.

Daytime high
104°
1st warmest
Overnight low
82°
12th coldest
Rainfall
0.7 in
3.2 wet days
Daylight
14 hours
5:32 AM – 7:33 PM
Cloud cover
35%
8th clearest
Wind
5 mph
4th windiest
Solar energy
7.51 kWh/m²
Travel score
0.1
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 104°F through the month.

A typical July day in Mesa reaches about 104°F in the afternoon and slips back to 82°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 97°F and 110°F. Set against its neighbours, July runs about 2°F warmer than June and about 2°F warmer than August.

70°80°90°100°110°151015202531
Avg high (°F)Avg low (°F)
110580
210580
310580
410581
510581
610581
710581
810481
910482
1010482
1110482
1210482
1310482
1410482
1510482
1610482
1710482
1810482
1910483
2010483
2110483
2210483
2310383
2410383
2510383
2610383
2710383
2810383
2910383
3010383
3110383

How July really feels in Mesa

Once humidity and wind are folded in, July averages 31 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
31
31 feel dangerously hot (≥ 102°F)
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Mesa weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 9th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 17% of July, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38713
48614
58515
68416
78416
88317
98218
108218
118119
128119
138119
148020
158020
168119
178119
188020
198020
207921
217921
227822
237723
247723
257723
267624
277624
287525
297525
307624
317624

Chance of precipitation in July

Any precipitation

Mesa gets around 0.7 in of rain over 3.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 10% and peaks near 13% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
15
25
36
46
57
67
78
88
98
109
119
129
1310
1410
1510
1610
1710
1811
1911
2011
2111
2211
2312
2412
2512
2613
2713
2813
2913
3013
3113

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17811731
27612831
37313941
470151041
567161151
664171252
762181262
861181362
959191372
1056201473
1155201483
1254211483
1353211493
1452221493
15502214104
16492215104
17482215114
18472315124
19452316124
20442216134
21432217134
22422218144
23412218154
24402219154
25392220154
26382220164
27372221164
28372321164
29362322154
30362322154
31362422144

Wind in July

Winds average 5 mph in July.

Across July, 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 July

DaylightNight

Daylight runs from about 14 h 12 min at the start of July to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 5:25 AM to 5:42 AM, and sunset from 7:36 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:257:36
214.25:257:36
314.25:267:36
414.25:267:36
514.25:277:36
614.15:277:36
714.15:287:36
814.15:287:36
914.15:297:35
1014.15:297:35
1114.15:307:35
1214.15:307:35
1314.15:317:34
1414.05:317:34
1514.05:327:34
1614.05:327:33
1714.05:337:33
1814.05:347:32
1914.05:347:32
2013.95:357:32
2113.95:367:31
2213.95:367:30
2313.95:377:30
2413.95:387:29
2513.85:387:29
2613.85:397:28
2713.85:407:27
2813.85:407:27
2913.75:417:26
3013.75:427:25
3113.75:427:24

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 7.51 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 — July's 7.51 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.1Intense
28.1Intense
38.0Intense
48.0Intense
57.9Intense
67.9Intense
77.8Intense
87.8Intense
97.7Intense
107.7Intense
117.7Intense
127.6Intense
137.6Intense
147.6Intense
157.5Intense
167.5Intense
177.5Intense
187.4Intense
197.4Intense
207.4Intense
217.3Intense
227.3Intense
237.3Intense
247.3Intense
257.2Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.1Intense
317.1Intense
Planning a trip in July

Is July a good time to visit Mesa?

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

0.1
Sightseeing
12th-best month of the year
3.0
Beach & pool
10th-best month of the year

July is a weaker month for outdoor sightseeing in Mesa.

What to pack for Mesa in July

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

In July, Mesa sees daytime highs around 104°F and nights near 82°F. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Mesa in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks 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 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 July

GoodModeratePoorUnhealthyVery unhealthy

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