Marana weather in May

In May, Marana sees average daytime highs of 91°F and overnight lows near 64°F, with 0.1 in of rain across 0.7 wet days and about 13.6 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 87°F in the first days to 95°F by the end. The sky is clear or mostly clear about 76% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of May to 14 hours by month's end. Set against the rest of the year, May is Marana's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Marana's year-round climate.

Daytime high
91°
5th warmest
Overnight low
64°
8th coldest
Rainfall
0.1 in
0.7 wet days
Daylight
13 h 42 min
5:31 AM – 7:11 PM
Cloud cover
22%
3rd clearest
Wind
7 mph
2nd windiest
Solar energy
8.23 kWh/m²
Travel score
4.8
out of 10

Marana is town in Pima and Pinal counties in Arizona, United States.

Density
131/km²
people per km²
Founded
1977

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 87°F in the first days to 95°F by the end.

A typical May day in Marana reaches about 91°F in the afternoon and slips back to 64°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 81°F and 99°F. Set against its neighbours, May runs about 9°F warmer than April and about 9°F cooler than June.

60°80°100°151015202531
Avg high (°F)Avg low (°F)
18760
28761
38761
48861
58862
68862
78962
88962
98963
108963
119063
129064
139064
149064
159164
169164
179165
189165
199165
209265
219265
229266
239266
249366
259367
269467
279467
289467
299568
309568
319568

How May really feels in Marana

Once humidity and wind are folded in, May averages 21 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
21
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Marana weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan65° / 42°1.13.810.17.2
Feb68° / 45°1.1410.87.5
Mar75° / 50°0.7311.88.4
Apr82° / 56°0.31.212.87.9
May91° / 64°0.10.713.64.8
Jun100° / 73°0.2114.11.6
Jul100° / 79°1.26.913.91.2
Aug98° / 78°1.27.113.21.8
Sep95° / 73°1.03.512.23.2
Oct85° / 61°0.52.611.26.6
Nov74° / 50°0.72.510.38.5
Dec64° / 42°1.249.97.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 13%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58713
68713
78713
88614
98614
108614
118614
128614
138515
148515
158614
168614
178614
188614
198614
208614
218812
228812
238812
248812
258812
268911
278911
288911
298911
309010
319010

Chance of precipitation in May

Any precipitation

Marana gets around 0.1 in of rain over 0.7 wet days in May, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
143
153
163
173
183
193
203
213
223
233
243
252
262
272
282
292
302
311

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 7 mph in May.

Across May, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 18 min at the start of May to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:44 AM to 5:24 AM, and sunset from 7:00 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:447:00
213.35:437:01
313.35:427:01
413.35:417:02
513.45:407:03
613.45:397:04
713.45:397:04
813.55:387:05
913.55:377:06
1013.55:367:07
1113.55:357:07
1213.65:347:08
1313.65:347:09
1413.65:337:09
1513.65:327:10
1613.75:317:11
1713.75:317:12
1813.75:307:12
1913.75:297:13
2013.75:297:14
2113.85:287:14
2213.85:287:15
2313.85:277:16
2413.85:277:16
2513.95:267:17
2613.95:267:18
2713.95:257:18
2813.95:257:19
2913.95:247:20
3013.95:247:20
3114.05:247:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 8.23 kWh/m².

For context, solar energy here swings from a low near 3.32 kWh/m² to a high of 8.4 kWh/m² in June across the year — May's 8.23 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.0Intense
28.0Intense
38.0Intense
48.1Intense
58.1Intense
68.1Intense
78.1Intense
88.1Intense
98.1Intense
108.1Intense
118.2Intense
128.2Intense
138.2Intense
148.2Intense
158.2Intense
168.2Intense
178.2Intense
188.2Intense
198.3Intense
208.3Intense
218.3Intense
228.3Intense
238.3Intense
248.3Intense
258.4Intense
268.4Intense
278.4Intense
288.4Intense
298.4Intense
308.4Intense
318.4Intense
Planning a trip in May

Is May a good time to visit Marana?

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

4.8
Sightseeing
8th-best month of the year
8.1
Beach & pool
3rd-best month of the year

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

What to pack for Marana in May

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

In May, Marana sees daytime highs around 91°F and nights near 64°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Marana in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Marana peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (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 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr9Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in Marana in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Marana 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 Marana?

Marana sits at 32.4°N, 111.2°W, 1,991 ft above sea level, in United States. The nearest listed city is Oro Valley, 16 mi away.

Topography around Marana

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

Within 2 miles, the terrain around Marana has only modest variations in elevation — a maximum elevation change of 79 ft around an average of 1,988 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,500 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,579 ft.

The land around Marana is covered by cropland (30%) and shrubs (27%) within 2 miles, shrubs (65%) within 10 miles, and shrubs (77%) within 50 miles.

2 miles
79 ft
10 miles
2,500 ft
50 miles
8,579 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Oro Valley 16 mi · Casas Adobes 16 mi · Flowing Wells 16 mi · Catalina Foothills 21 mi · Tucson 23 mi · Drexel Heights 24 mi · Eloy 29 mi · Tanque Verde 31 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 Marana (32.4367°, -111.2254°, elevation 1,991 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).