Las Vegas weather in May

In May, Las Vegas sees average daytime highs of 32°C and overnight lows near 24°C, with 267 mm of rain across 24.4 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 4% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 30 min by month's end. Set against the rest of the year, May is Las Vegas's 12th-clearest and 7th-windiest month. For the whole year in context, see Las Vegas's year-round climate.

Daytime high
32°
7th warmest
Overnight low
24°
10th coldest
Rainfall
267 mm
24.4 wet days
Daylight
12 h 24 min
5:48 AM – 6:14 PM
Cloud cover
87%
12th clearest
Wind
5 km/h
7th windiest
Solar energy
4.45 kWh/m²
Travel score
2.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical May day in Las Vegas reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, May runs about 2°C cooler than April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243124
253124
263124
273124
283124
293123
303123
313123

How May really feels in Las Vegas

Once humidity and wind are folded in, May averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
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.

Las Vegas weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 23°92.211.53.4
Feb35° / 24°81.911.72.8
Mar36° / 25°305.111.92.3
Apr34° / 25°13515.112.22.4
May32° / 24°26724.412.42.6
Jun30° / 23°2722612.52.8
Jul30° / 23°2452812.52.8
Aug30° / 23°21827.712.32.8
Sep31° / 23°19326.112.12.7
Oct32° / 23°1722511.82.7
Nov32° / 23°11118.511.63.0
Dec33° / 23°407.511.53.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of May, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21090
31090
41090
51090
61090
71090
81090
91090
10991
11991
12991
131090
141090
151189
161189
171288
181288
191288
201387
211387
221387
231387
241387
251486
261486
271486
281486
291585
301585
311486

Chance of precipitation in May

Any precipitation

Las Vegas gets around 267 mm of rain over 24.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 78% and peaks near 84% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
167
267
369
470
571
672
774
875
976
1077
1178
1279
1379
1479
1580
1680
1780
1880
1980
2080
2180
2281
2381
2481
2582
2682
2782
2883
2983
3084
3184

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
114136913
213136914
313126915
413126816
513116817
612116818
712106819
81296820
90296821
100286822
110176923
120176824
130166825
140166726
150156826
160156727
170046927
180046828
190036928
200036928
210036829
220026929
230026929
240026929
250027028
260027028
270017128
280017227
290017227
300017326
310017425

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)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 May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:52 AM to 5:47 AM, and sunset from 6:12 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:526:12
212.35:516:12
312.35:516:12
412.45:516:12
512.45:506:12
612.45:506:12
712.45:506:12
812.45:506:12
912.45:496:13
1012.45:496:13
1112.45:496:13
1212.45:496:13
1312.45:486:13
1412.45:486:13
1512.45:486:14
1612.45:486:14
1712.45:486:14
1812.45:476:14
1912.55:476:14
2012.55:476:15
2112.55:476:15
2212.55:476:15
2312.55:476:15
2412.55:476:16
2512.55:476:16
2612.55:476:16
2712.55:476:16
2812.55:476:16
2912.55:476:17
3012.55:476:17
3112.55:476:17

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.45 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 5.87 kWh/m² in March across the year — May's 4.45 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in May

Hazard calendar for Las Vegas

In seasonPeak

In May, Las Vegas sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Las Vegas's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Las Vegas?

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

2.6
Sightseeing
10th-best month of the year
4.2
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Las Vegas.

What to pack for Las Vegas in May

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

In May, Las Vegas sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. About 24 days see rain.

light clothesrain gear

UV index in Las Vegas in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Las Vegas peaks around February 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highFeb 22UV 13Dec 12UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov9Very high
Dec9Very high

Air quality in Las Vegas 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 Las Vegas is worst in March — around 33 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2233 µg/m³Dec 2014 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb20Moderate
Mar33Moderate
Apr31Moderate
May30Moderate
Jun30Moderate
Jul25Moderate
Aug22Moderate
Sep21Moderate
Oct21Moderate
Nov18Moderate
Dec14Moderate
Location & terrain

Where is Las Vegas?

Las Vegas sits at 9.5°N, 68.6°W, 120 m above sea level, in Venezuela. The nearest listed city is San Carlos, 15 km away.

Topography around Las Vegas

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Las Vegas.

Within 3 km, the terrain around Las Vegas has only modest variations in elevation — a maximum elevation change of 27 m around an average of 115 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 195 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,700 m.

The land around Las Vegas is covered by grassland (50%) and trees (29%) within 3 km, grassland (53%) and trees (41%) within 16 km, and trees (48%) and grassland (40%) within 80 km.

3 km
27 m
16 km
195 m
80 km
1,700 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: San Carlos 15 km · Tinaco 28 km · San Rafael de Onoto 41 km · Tinaquillo 55 km · El Pao 56 km · Villa Bruzual 58 km · Acarigua 62 km · Píritu 66 km

Venezuela travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 0% of US
price level, 2011
GDP per capita
$3,495
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
12.6
per 100k, 2022
Road deaths
39
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 520
Religion
Roman Catholic 48%Protestant 32%none 14%believer 4%

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 Las Vegas (9.5372°, -68.6302°, elevation 120 m), 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).