Vail weather in May

In May, Vail sees average daytime highs of 87°F and overnight lows near 59°F, with 0.1 in of rain across 0.9 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 83°F in the first days to 91°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 12 min at the start of May to 13 h 54 min by month's end. Set against the rest of the year, May is Vail's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Vail's year-round climate.

Daytime high
87°
5th warmest
Overnight low
59°
8th coldest
Rainfall
0.1 in
0.9 wet days
Daylight
13 h 36 min
5:30 AM – 7:08 PM
Cloud cover
22%
2nd clearest
Wind
7 mph
2nd windiest
Solar energy
8.28 kWh/m²
Travel score
6.4
out of 10

Vail is census designated place in Pima County, Arizona, United States.

Density
174/km²
people per km²

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 83°F in the first days to 91°F by the end.

A typical May day in Vail reaches about 87°F in the afternoon and slips back to 59°F overnight — a 27°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 94°F. Set against its neighbours, May runs about 9°F warmer than April and about 8°F cooler than June.

40°60°80°100°151015202531
Avg high (°F)Avg low (°F)
18255
28355
38356
48356
58356
68456
78457
88457
98557
108558
118558
128558
138658
148658
158659
168759
178759
188760
198760
208760
218860
228861
238961
248961
258962
268962
279062
289062
299163
309163
319164

How May really feels in Vail

Once humidity and wind are folded in, May averages 5 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
5
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.

Vail 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 daysSnow daysDaylight (hours)Travel score
Jan62° / 38°1.03.80.510.16.4
Feb65° / 41°1.14.20.310.87.0
Mar71° / 46°0.62.90.211.88.2
Apr78° / 51°0.31.7012.88.8
May87° / 59°0.10.9013.66.4
Jun95° / 69°0.31.9014.13.3
Jul94° / 73°2.111.1013.92.9
Aug92° / 71°1.810.6013.23.5
Sep89° / 66°1.35.7012.25.0
Oct81° / 56°0.62.7011.28.0
Nov70° / 46°0.72.8010.48.2
Dec61° / 38°1.24.30.39.96.2

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
38614
48614
58614
68614
78614
88614
98614
108614
118614
128614
138614
148614
158614
168614
178614
188713
198713
208713
218713
228713
238812
248812
258812
268812
278812
288812
298812
308812
318812

Chance of precipitation in May

Any precipitation

Vail gets around 0.1 in of rain over 0.9 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 3% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
114
124
134
144
154
164
174
184
193
203
213
223
233
243
253
263
273
283
293
303
313

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
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 12 min at the start of May to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:43 AM to 5:23 AM, and sunset from 6:57 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:436:57
213.35:426:58
313.35:416:59
413.35:406:59
513.45:397:00
613.45:387:01
713.45:377:02
813.45:367:02
913.55:357:03
1013.55:357:04
1113.55:347:05
1213.55:337:05
1313.65:327:06
1413.65:327:07
1513.65:317:07
1613.65:307:08
1713.75:297:09
1813.75:297:09
1913.75:287:10
2013.75:287:11
2113.75:277:12
2213.85:267:12
2313.85:267:13
2413.85:257:14
2513.85:257:14
2613.85:247:15
2713.95:247:15
2813.95:247:16
2913.95:237:17
3013.95:237:17
3113.95:237:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 8.28 kWh/m².

For context, solar energy here swings from a low near 3.45 kWh/m² to a high of 8.29 kWh/m² in June across the year — May's 8.28 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.1Intense
28.1Intense
38.1Intense
48.1Intense
58.1Intense
68.2Intense
78.2Intense
88.2Intense
98.2Intense
108.2Intense
118.2Intense
128.2Intense
138.2Intense
148.2Intense
158.2Intense
168.3Intense
178.3Intense
188.3Intense
198.3Intense
208.3Intense
218.3Intense
228.3Intense
238.4Intense
248.4Intense
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 Vail?

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

6.4
Sightseeing
6th-best month of the year
8.7
Beach & pool
1st-best month of the year

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

What to pack for Vail in May

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

In May, Vail sees daytime highs around 87°F and nights near 59°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Vail 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 Vail peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 22UV 11Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar6High
Apr9Very high
May9Very high
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Very high
Oct7High
Nov5Moderate
Dec4Moderate

Air quality in Vail 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 Vail 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 Vail?

Vail sits at 32.0°N, 110.7°W, 0 ft above sea level, in United States. The nearest listed city is Tanque Verde, 14 mi away.

Topography around Vail

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

Within 2 miles, the terrain around Vail has only modest variations in elevation — a maximum elevation change of 374 ft around an average of 3,212 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,583 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,421 ft.

The land around Vail is covered by shrubs (77%) within 2 miles, shrubs (88%) within 10 miles, and shrubs (76%) within 50 miles.

2 miles
374 ft
10 miles
3,583 ft
50 miles
7,421 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Tanque Verde 14 mi · Sahuarita 16 mi · Tucson 17 mi · Drexel Heights 20 mi · Catalina Foothills 21 mi · Green Valley 21 mi · Flowing Wells 24 mi · Casas Adobes 25 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 Vail (32.0479°, -110.712°, elevation 0 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).