Best time to visit Las Vegas
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Las Vegas
30 top-rated tours via Viator. Booking links earn this site a commission at no cost to you.
- 1
Half-Day Emerald Cave Kayak Tour with Optional Hotel Pickup - 2
Award Winning 3-Hour Hoover Dam Small Group Mini Tour from Vegas - 3
Las Vegas Dunes ATV Tour - 4
Emerald Cave & Black Canyon Kayak Tour with Vegas Pickup - 5
Ultimate Hoover Dam Tour from Las Vegas - 6
Self-Guided Fear and Loathing UTV Rental - 7
Emerald Cave Kayak Rental with Optional Vegas Shuttle - 8
Self-Guided Fear and Loathing ATV Rental - 9
Grand Canyon West, Hoover Dam Stop and Optional Lunch and Skywalk - 10
Grand Canyon West, Hoover Dam Stop, Breakfast, Lunch & Skywalk - 11
Emerald Cave Kayak Tour: Scenic Paddle with Optional Shuttle - 12
Lower Antelope Canyon and Horseshoe Bend Day Tour with Lunch - 13
Small Group: Valley of Fire Half Day Tour from Las Vegas - 14
Grand Canyon, Antelope Canyon, and Horseshoe Bend Day Tour - 15
Red Rock Canyon Sunset Horseback Ride and Barbeque Dinner - 16
Ultimate Outdoor Shooting Experience in Las Vegas - 17
Valley of Fire and Red Rock Canyon Day Tour from Las Vegas - 18
Emerald Cave Kayak Experience with Optional Las Vegas Shuttle - 19
Small Group Tour: Grand Canyon West Rim, Skywalk & Hoover Dam - 20
Small Group Grand Canyon, Hoover Dam, 7 Magic Mountains VIP Tour - 21
2-Hour Exotic Car Driving Experience in Las Vegas - 22
Death Valley Sunset and Stargazing Tour from Las Vegas - 23
Las Vegas: The Strip's Celebrity Chefs Tour or Downtown Food Tour - 24
Giant Shopping Cart Limo Ride in Las Vegas - 25
Grand Canyon + Hoover Dam View + WiFi (Skywalk/Lunch options) - 26
Morning Horseback Ride with Breakfast from Las Vegas - 27
Red Rock Canyon Hike with Transport from Las Vegas - 28
2-Hour Horseback Riding through Red Rock Canyon - 29
All Shook Up: Elvis Tribute Show at Alexis Park Resort Hotel - 30
Valley of Fire Guided Hike from Las Vegas
Last refreshed 2026-05-25.
Similar climatesPhoenix90% · Petra87% · Sedona87%
Other destinations with the most-alike year-round climate to Las Vegas (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Las Vegas's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 4–14 | 10 | 3 | 31 | 10.3 | 36% | 17 | 198 | 3 | Quiet | 7 |
| Feb | 5–17 | 12 | 2 | 26 | 13.0 | 27% | 21 | 204 | 4 | Quiet | 8 |
| Mar | 9–20 | 15 | 5 | 37 | 7.4 | 25% | 25 | 242 | 6 | Quiet | 8 |
| Apr | 14–27 | 22 | 1 | 5 | 5.0 | 14% | 26 | 277 | 8 | Quiet | 8 |
| May | 19–33 | 27 | 0 | 3 | — | 11% | 28 | 305 | 9 | Quiet | 8 |
| Jun | 24–38 | 34 | 0 | 3 | — | 11% | 26 | 306 | 10 | Quiet | 4 |
| Jul | 28–42 | 39 | 1 | 11 | 11.0 | 14% | 24 | 308 | 11 | Quiet | 2 |
| Aug | 27–40 | 38 | 3 | 22 | 7.3 | 19% | 23 | 288 | 10 | Peak | 3 |
| Sep | 23–36 | 33 | 1 | 8 | 8.0 | 17% | 20 | 258 | 8 | Moderate | 5 |
| Oct | 16–29 | 25 | 1 | 6 | 6.0 | 17% | 18 | 248 | 6 | Moderate | 9 |
| Nov | 8–19 | 15 | 1 | 6 | 6.0 | 21% | 17 | 208 | 3 | Peak | 8 |
| Dec | 4–15 | 11 | 2 | 14 | 7.0 | 30% | 14 | 189 | 2 | Busy | 7 |
UV Index in Las Vegas by Month
UV index in Las Vegas peaks at 11 (very high) in July, dropping to 2 (low) in December. May, June, July, August reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.
Best months in detail
October
9/1016–29°C (feels 25°C) · 1 rain days (6h) · 248 sun hours · 17% humidity · Moderate crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)
April
8/1014–27°C (feels 22°C) · 1 rain days (5h) · 277 sun hours · 14% humidity · Quiet crowd · UV 8 (high) · sunniest 1 in 10 days reach 9 (very high)
May
8/1019–33°C (feels 27°C) · 0 rain days (3h) · 305 sun hours · 11% humidity · Quiet crowd · UV 9 (very high)
Every month
Show the other 9 months in detail
January
7/104–14°C (feels 10°C) · 3 rain days (31h) · 198 sun hours · 36% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 3 (moderate)
February
8/105–17°C (feels 12°C) · 2 rain days (26h) · 204 sun hours · 27% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 5 (moderate)
March
8/109–20°C (feels 15°C) · 5 rain days (37h) · 242 sun hours · 25% humidity · Quiet crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 8 (high)
June
4/1024–38°C (feels 34°C) · 0 rain days (3h) · 306 sun hours · 11% humidity · Quiet crowd · UV 10 (very high) · sunniest 1 in 10 days reach 11 (extreme)
July
2/1028–42°C (feels 39°C) · 1 rain days (11h) · 308 sun hours · 14% humidity · Quiet crowd · UV 11 (very high) · sunniest 1 in 10 days reach 12 (extreme)
August
3/1027–40°C (feels 38°C) · 3 rain days (22h) · 288 sun hours · 19% humidity · Peak crowd · UV 10 (very high)
September
5/1023–36°C (feels 33°C) · 1 rain days (8h) · 258 sun hours · 17% humidity · Moderate crowd · UV 8 (high) · sunniest 1 in 10 days reach 9 (very high)
November
8/108–19°C (feels 15°C) · 1 rain days (6h) · 208 sun hours · 21% humidity · Peak crowd · UV 3 (moderate)
December
7/104–15°C (feels 11°C) · 2 rain days (14h) · 189 sun hours · 30% humidity · Busy crowd · UV 2 (low)
Comparisons people search for
Pairs validated by Google Autocomplete demand — only pairs people actually compare.
Frequently asked questions about visiting Las Vegas
When is the best time to visit Las Vegas?
October is the highest-scoring month (9/10 on the Holiday Climate Index). Typical conditions: 16–29°C (1 rainy day). The top three months by score are October, April, May.
What is the worst time to visit Las Vegas?
July is the lowest-scoring month (2/10, capped by extreme heat). Typical conditions: 28–42°C (1 rainy day).
Is Las Vegas too hot in summer?
4 months (June, July, August, September) trip the heat deal-breaker in our scoring: apparent temperature crosses the comfort cap, so even with clear skies and low rain the score is held down. Plan around it if heat tolerance is low.
When are crowds lowest in Las Vegas?
Search-interest seasonality (Google Trends 2021-2025) is lowest in April and peaks in August. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
Which months in Las Vegas have good weather but fewer tourists?
October (climate 9/10, crowd index 46) and February (climate 8/10, crowd index 13) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Las Vegas by month?
UV peaks at 11 (very high) in July and is lowest in December at 2 (low). Monthly peak values: Jan 3, Feb 4, Mar 6, Apr 8, May 9, Jun 10, Jul 11, Aug 10, Sep 8, Oct 6, Nov 3, Dec 2. May, June, July, August reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.
What is the UV index in Las Vegas in July?
July is the peak UV month in Las Vegas, with a daily-peak UV index of 11 (very high). At this level, sunburn can occur in under 20 minutes on unprotected fair skin. Apply SPF 50+, wear protective clothing and a hat, and avoid direct midday sun (11:00–17:00).
How high can UV get in Las Vegas on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. July is the worst case: typical days average UV 11 (very high), but the top 10% of days reach UV 12 (extreme) — and even higher. Months where the sunniest days routinely exceed the typical reading: January, February, March, April, June, July, September, October. Plan sun protection for the worst case, not the average.
Is air quality in Las Vegas bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 3 months: January, February, December. The worst month is December with a typical-day mean of 11 µg/m³ (moderate); on the worst 10% of days PM2.5 reaches 16 µg/m³ (unhealthy for sensitive) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.