01Weather
Las Vegas weather in May
Afternoons in May average 31.2 °C (88 °F) and nights cool to 19.1 °C (66 °F). The month brings about 1 mm (0.0 in) of rain spread over roughly 0 days. Compared with April it is 4.2 °C warmer; June is 7.1 °C warmer again.
What the averages hide
| In a typical May | Value | What it means |
|---|---|---|
| Warm afternoons (90th percentile) | 37 °C / 98 °F | one day in ten is at least this warm |
| Cool afternoons (10th percentile) | 24 °C / 75 °F | one day in ten stays below this |
| Cold nights (10th percentile) | 14 °C / 57 °F | one night in ten is colder than this |
| Days above 30 °C (86 °F) | 19.8 | per month, average 2016–2025 |
| Nights at or below 0 °C (32 °F) | 0.0 | frost mornings per month |
| Chance of rain on any given day | 0 % | at least 1 mm |
| Hottest / coldest May day 2016–2025 | 42.8 °C / 10.6 °C | extremes in the ten-year record |
02Daylight
Sunrise, sunset and the length of the day
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 1 May | 05:47 | 19:27 | 13.7 h |
| 15 May | 05:34 | 19:39 | 14.1 h |
| 31 May | 05:25 | 19:51 | 14.4 h |
Daylight grows by about 42 minutes over the month. Times are local (America/Los_Angeles).
03Crowds
How busy Las Vegas is in May
busy The main sights are busy in May. What drives it:
- EDC Las Vegas mid-May
- Memorial Day weekend
- pool season
04Public holidays
Public holidays in May 2027
| Date | Holiday |
|---|---|
| 31 May 2027 | Memorial Day |
On public holidays many shops close and museums run on Sunday hours; check opening times for the day before and after as well.
05Events
What's on in Las Vegas in May
Every year in May
| Event | When | Type |
|---|---|---|
| Electric Daisy Carnival (EDC) | mid-May, Las Vegas Motor Speedway | music |
07Packing
What to pack for Las Vegas in May
- light, breathable clothing
- sun hat and sunscreen
- refillable water bottle
- something for heat: 20 days a month pass 30 °C on average
08Editor's notes
What the numbers don't tell you
May is warm to hot, with afternoons around 31 °C, pool season in full swing, the Electric Daisy Carnival drawing 150,000 to the Speedway over a weekend in mid-May and Memorial Day weekend closing the month with full resorts. Late May afternoons already touch 35 °C. The World Series of Poker begins at the end of the month and runs into July, filling the host casinos with players.
Rain is almost unknown. Nights stay comfortable around 18 °C. EDC weekend and Memorial Day are the two expensive stretches; the week between is quiet. Red Rock and Valley of Fire are still manageable in the morning. Daylight lasts until nearly eight. For the summer bargains and the first 38 °C afternoons, see June.
09Compare
Las Vegas month by month
| Month | High | Low | Rain days | Sun h | Crowds | Verdict |
|---|---|---|---|---|---|---|
| January | 14 °C | 5 °C | 1 | – | busy | Good |
| February | 17 °C | 7 °C | 0 | – | busy | Excellent |
| March | 21 °C | 10 °C | 1 | – | very busy | Good |
| April | 27 °C | 15 °C | 0 | – | busy | Excellent |
| May | 31 °C | 19 °C | 0 | – | busy | Good |
| June | 38 °C | 25 °C | 0 | – | moderate | Good |
| July | 41 °C | 28 °C | 0 | – | moderate | Good |
| August | 40 °C | 27 °C | 1 | – | quiet | Good |
| September | 35 °C | 23 °C | 0 | – | busy | Good |
| October | 28 °C | 16 °C | 0 | – | busy | Excellent |
| November | 20 °C | 9 °C | 0 | – | very busy | Good |
| December | 15 °C | 5 °C | 1 | – | busy | Good |
Not sure about May? See the best time to visit Las Vegas.
10Elsewhere
May in nearby cities
| City | High | Rain days |
|---|---|---|
| Los Angeles in May | 21 °C | 0 |
| San Francisco in May | 20 °C | 2 |
| Vancouver in May | 18 °C | 9 |
| Toronto in May | 19 °C | 8 |
| Cancún in May | 31 °C | – |
| Orlando in May | 32 °C | 4 |
11FAQ
Las Vegas in May: your questions
Is May a good time to visit Las Vegas?
May is a good month to visit Las Vegas. Daytime highs average 31 °C (88 °F), rain falls on about 0 days, and hotel arrivals run above the yearly average, so the main sights are busy.
What is the weather like in Las Vegas in May?
Expect hot days around 31 °C (88 °F) and nights near 19 °C (66 °F). One May in ten brings afternoons above 37 °C, and one in ten stays below 24 °C.
Does it rain a lot in Las Vegas in May?
May brings about 1 mm (0.0 in) of rain over roughly 0 days, which is dry by Las Vegas standards. On any given day the chance of at least 1 mm of rain is 0 percent.
What should I wear in Las Vegas in May?
Pack light, breathable clothing, sun hat and sunscreen, refillable water bottle.
Is Las Vegas crowded in May?
The main sights are busy in May. Main drivers: EDC Las Vegas mid-May; Memorial Day weekend; pool season.
What time does it get dark in Las Vegas in May?
Around the middle of May the sun sets at about 19:39 and rises at 05:34, giving 14.1 hours of daylight.