LAS VEGAS · NEVADA · JULY
July is the valley at full output. The airport thermometer averages 104.5°F in the afternoon and 82.0°F at its coolest hour, the sun is up for 14 hours 25 minutes on the 15th, and the whole month’s rainfall adds up to 0.38 inches. Those four numbers reorganize a Las Vegas trip more than any hotel choice will.
What July takes away is the middle of the day outdoors. What it gives back is light at both ends: a usable hour before seven in the morning and a warm sidewalk at nine at night. If your dates still move, the month-by-month view compares the rest of the calendar, and June is the near neighbor most people end up choosing instead.

THE MONTH AT A GLANCE · LAS VEGAS · JULY
July hands you a 104.5°F afternoon, a night that only falls to 82.0°F and 14 hours 25 minutes of daylight: put the outdoors at dawn, the middle of the day indoors, and the walking after sunset.
AVG HIGH 104.5°F · AVG LOW 82.0°F · 1.0 RAIN DAY · 14H25 OF LIGHT ON JULY 15
Go for: dawn starts at Red Rock Canyon or Valley of Fire, long evenings, and pool hours that still make sense at nine at night.
Think twice before: planning anything outdoors between noon and six, or expecting the night to cool off: the monthly mean low at the airport station is 82.0°F.
Air normals: NOAA NCEI 1991-2020, station USW00023169 · Daylight: sunrise-sunset.org · full sources at the end
On this page
- Average highs, lows and rain days in July104.5°F days, 82.0°F nights, 0.38 inches
- How cool the nights getA 22.5°F swing, and no water temperature
- Crowds, prices and resort feesWhat the data covers and what it does not
- Things to do in July heatRed Rock Canyon, Valley of Fire, the Spring Mountains
- A two-day plan for JulyBuilt around a 5:34 AM sunrise
- July vs June and August104.5°F against 99.4°F and 102.8°F
- Is July a good time to go?Who July suits, and who should shift
- The other eleven monthsLas Vegas month by month
Every figure here comes from two places: the 1991-2020 monthly normals published by NOAA’s National Centers for Environmental Information for station USW00023169, and sunrise and sunset times computed for July 15. Room rates, occupancy and admission prices are not in that data, so no month gets called the cheapest or the busiest below.
Las Vegas weather in July: average highs, lows and rain days
| July at McCarran Airport | 1991-2020 normal |
|---|---|
| Average high | 104.5°F (40.3°C) |
| Average low | 82.0°F (27.8°C) |
| Day-night spread | 22.5°F |
| Monthly precipitation | 0.38 in |
| Days with 0.10 in or more | 1.0 |
| Days with 1.00 in or more | 0.0 |
| Daylight, July 15 | 14h 25m |
NOAA NCEI puts the July average high at 104.5°F and the average low at 82.0°F, from the 1991-2020 normals for station USW00023169. That thermometer sits on the valley floor at Las Vegas McCarran Airport, minutes from the resort corridor. The open desert around the valley and the Spring Mountains above it both run cooler than the Strip after dark, so read the normals below as a valley reading rather than as the temperature wherever you happen to be standing.
Rain barely registers: 0.38 inches for the entire month, and 1.0 day in an average July records 0.10 inch or more. One day in thirty-one, in other words, puts enough water on the ground to notice. Nothing in a July packing list needs to be waterproof, and a canceled outdoor plan this month is almost always a heat decision rather than a weather one.
The gap between those two normals is 22.5°F, and it lands entirely in the hot half of the thermometer. Pack for shade rather than for cold: a hat, a bottle you can refill, shoes that handle hot rock, and one light layer for interiors kept at office temperature. A fleece for the evening has no job in a Las Vegas July.
On July 15 the sun rises at 5:34 AM and sets at 7:59 PM Pacific Daylight Time, giving 14 hours 25 minutes of light. Light is not the limit this month, heat is. The comfortable outdoor block runs from first light to roughly eight in the morning, then reopens once the sun is off the pavement after seven in the evening.
How hot is Las Vegas in July, and how cool do the nights get?
Both ends of the July day sit high. The average high is 104.5°F, the average low 82.0°F, and the 22.5°F between them is a monthly mean, not a ceiling: individual afternoons run above it and a handful run below. Las Vegas has no coast, and no water temperature for July was available to us, so none is quoted here. A hotel pool is whatever the property sets it to.
In practice, six in the morning is the coolest hour you will experience awake, and it is already in the low eighties. By one in the afternoon the pavement is doing its own radiating. Dress once for the whole day: shorts and a shirt you can soak, a cap, sunglasses, and the layer that only comes out inside a casino floor or a cinema.
No frost-day count for Las Vegas appears in our data, and at a monthly mean low of 82.0°F none is needed: July nights here do not approach freezing at any point. If you want a genuinely cool night in the region this month, it comes from altitude rather than from the calendar, up in the Spring Mountains rather than on the valley floor.
How busy is Las Vegas in July? Crowds, prices and resort fees
No monthly rate series, occupancy figure or visitor count for Las Vegas was available to us, so July gets no ranking against the other eleven months on price, and no claim about where it sits in the demand cycle. What is measured is the thermometer, and July is the hottest of the three summer months compared below, 1.7°F above August and 5.1°F above June on the average high.
Lead time works the same way: without a booking-curve dataset, any number of weeks we gave you would be invented. Two comparisons cost nothing and do real work. Price the same room midweek and on a Saturday before committing, and reserve a car early if the plan includes Red Rock Canyon or Valley of Fire at dawn, because a July morning without wheels is a July morning spent indoors.
Two lines sit on a Las Vegas bill beyond the nightly rate: the resort fee charged by the property, and the county room tax. Neither rate is in our data, so no amount is quoted here. Ask any property for the all-in nightly total with fee and tax included, then compare that figure against the next hotel rather than the headline rate.
Spending more changes exactly one thing in July, and it has nothing to do with the room. A bed inside the stretch you intend to walk removes a 104.5°F crossing of an open parking lot at three in the afternoon. Shade, a short walk to the pool, and a covered way back at midnight are worth more this month than a view of the fountains.
Things to do in Las Vegas in July

July’s asset is the tail of the day. With sunset at 7:59 PM and a night that averages 82.0°F, an outdoor dinner at nine or a swim at ten needs no layer and no planning. That warm-late evening is the one thing the heat hands back, and it is why a July day runs split shift: outside early, inside from late morning, outside again once the sun is down.
The outdoor names worth the alarm clock are Red Rock Canyon and its scenic loop, Valley of Fire State Park northeast of town, Hoover Dam on the Arizona line, and the Spring Mountains above the valley for altitude rather than desert. In town, Fremont Street and the Strip stay walkable after dark. No admission price or opening hour for any of them was available to us, so none is quoted: check each operator before you drive out.
The rock does not change with the season, the air does. June’s average high is 99.4°F and July’s is 104.5°F, a 5.1°F step that pushes a canyon walk from a mid-morning outing to a start before seven. Same trail, same red sandstone, different departure time. The Spring Mountains are the exception, running cooler than the valley floor after dark by the same logic that makes the airport reading a valley number.
On the free side, our data carries no admission list for July, so nothing indoors gets promised here as no-cost. What is free is the hour after 5:34 AM and the hour after 7:59 PM: the sidewalk, the desert road pullouts, the pool deck at your own hotel. Those two windows are the cheapest part of a July trip and the part most visitors sleep through.
Las Vegas in July: a two-day itinerary
Day one starts before the thermometer does. Up at five, on the road by 5:34 AM as the sun comes up, and at Red Rock Canyon for the loop and a short walk by six. Back in town by ten, before the day heads toward 104.5°F. Midday belongs indoors: a long lunch, a museum, a pool with shade. Out again at seven for the Strip, with the light going at 7:59 PM and the sidewalk still warm at ten.
Day two repeats the shape with a longer drive: Valley of Fire or Hoover Dam on an early start, town again before noon, and the evening on foot around Fremont Street. If the weather turns, it turns fast and rarely: one day in an average July records 0.10 inch or more, and a desert storm closes a canyon road faster than it soaks you. Swap the drive for an indoor afternoon and take the drive the next morning.
Las Vegas in July vs June and August
| Normal, 1991-2020 | June | July | August |
|---|---|---|---|
| Average high | 99.4°F | 104.5°F | 102.8°F |
| Average low | 75.8°F | 82.0°F | 80.6°F |
| Precipitation | 0.04 in | 0.38 in | 0.32 in |
| Days with 0.10 in or more | 0.1 | 1.0 | 0.7 |
July tops the three on both ends: 104.5°F against August’s 102.8°F and June’s 99.4°F by day, and 82.0°F against 80.6°F and 75.8°F at night. Rainfall moves in the same direction, from a near-dry June at 0.04 inches and 0.1 rain days to 0.38 inches and 1.0 rain day in July. There is no sea in this comparison and no water temperature to put in it, in any of the three months.
Shift four weeks back to June and you gain 6.2°F off the night and a month that barely records rain, and you lose almost nothing else. Shift four weeks forward to August and the afternoon drops 1.7°F, the night 1.4°F, with 0.7 rain days instead of 1.0. Neither move buys comfort at noon: all three months are planned around shade.
Is July a good time to visit Las Vegas?
Yes, for anyone whose trip already lives indoors and in water: shows, restaurants, casino floors, a pool deck at nine at night. Yes too for early risers willing to be at a trailhead by six. No for families with small children who will be crossing hot pavement at two in the afternoon, and no for anyone planning a full day of desert hiking, because 104.5°F does not negotiate with an itinerary.
If the answer is no, June is the closest fix, with nights 6.2°F cooler at 75.8°F and 0.04 inches of rain across the whole month, and it is the same city on the same calendar. Anything beyond that is a bigger move, and the month-by-month verdict is where the cooler half of the year gets compared properly.
Of the three months here, July holds the warmest nights at 82.0°F, and that is the trade: a 9 PM swim or a midnight walk needs nothing but a towel.
The last word
Pick the room for its shade and its pool hours, set an alarm for 5:15, and the rest of July sorts itself. One number stayed in reserve until now: in an average July the airport station records 0.0 days with an inch or more of rain, so nothing on the two-day plan gets washed out. Heat is the only thing to schedule around. Fill the bottle before the drive back as well as before the walk out.
Sources & data for this guide
- July air normals, average high 104.5°F, average low 82.0°F, 0.38 in of precipitation · NOAA NCEI monthly normals 1991-2020, station USW00023169, Las Vegas McCarran Airport · checked Sep 15, 2026
- Rain days, 1.0 day at 0.10 in or more and 0.0 days at 1.00 in or more · NOAA NCEI monthly normals 1991-2020, same station · checked Sep 15, 2026
- June and August normals used in the comparison table · NOAA NCEI monthly normals 1991-2020, same station and period · checked Sep 15, 2026
- Daylight of 14h 25m with sunrise 5:34 AM and sunset 7:59 PM on July 15, converted from UTC to Pacific Daylight Time · sunrise-sunset.org · checked Sep 15, 2026
- Station placement caveat: the thermometer sits on the valley floor at the airport, and the surrounding desert and the Spring Mountains run cooler after dark · NOAA NCEI station metadata · checked Sep 15, 2026
- No monthly hotel rate series, occupancy figure, room tax rate or attraction admission was available to us for Las Vegas: none is quoted here, and the places named carry no price or opening hour · check operators when you book.