Las Vegas is famous for its bright lights, world-class entertainment, and—of course—its desert climate. With more than 300 sunny days a year, Las Vegas offers reliably warm (and hot!) weather most of the year. But temperatures can swing drastically between seasons, making it important to understand what each month feels like before planning your trip.
Whether you want pool time, mild sightseeing weather, or cooler nights on the Strip, here’s a month-by-month breakdown.
Las Vegas Weather Overview
Climate Type: Hot desert climate
Hottest Months: June – August
Coolest Months: December – January
Rainiest Months: January–February (still very little rain overall)
Dry Season: April – June
Sunshine: ~294 hours per month on average
Las Vegas Temperaturesby Month
You can click the image below to view the full-size weather chart for Las Vegas.
🌤 Las Vegas Weather in January
High: ~59°F (15°C)
Low: ~28°F (-2°C)
Rain: 14 mm (0.55 in) — about 2 rainy days
Snow: 17 mm possible
January is the coldest month. Days are crisp and sunny; nights can feel surprisingly chilly with occasional snowfall.
🌤 Las Vegas Weather in February
High: ~66°F (19°C)
Low: ~34°F (1°C)
Rain: 14.9 mm (0.59 in) — about 2 rainy days
Snow: 2.4 mm trace possible
Still cool, but the city begins to warm up. Great for outdoor activities and hiking in Red Rock Canyon.
🌤 Las Vegas Weather in March
High: ~72°F (22°C)
Low: ~39°F (4°C)
Rain: 13.9 mm (0.55 in) — about 2 rainy days
Spring weather arrives. Longer, warmer days make this one of the most pleasant months to visit.
🌤 Las Vegas Weather in April
High: ~81°F (27°C)
Low: ~45°F (7°C)
Rain: 5.4 mm (0.21 in) — about 1 rainy day
Comfortable and dry — perfect for pool season openers.
☀️ Las Vegas Weather in May
High: ~90°F (32°C)
Low: ~54°F (12°C)
Rain: 7.4 mm (0.29 in) — 0 rainy days
Heat ramps up. Expect sunny skies and warm nights, ideal for parties and outdoor events.
🔥 Las Vegas Weather in June
High: ~102°F (39°C)
Low: ~61°F (16°C)
Rain: 2.2 mm (0.09 in) — 0 rainy days
Official start of intense desert heat. The driest month of the year. Hydration is essential.
🔥 Las Vegas Weather in July
High: ~106°F (41°C)
Low: ~66°F (19°C)
Rain: 6.7 mm (0.26 in) — about 1 rainy day
The hottest month. Afternoon monsoon storms possible. Pool parties peak.
🔥 Las Vegas Weather in August
High: ~104°F (40°C)
Low: ~57°F (14°C)
Rain: 26.4 mm (1.04 in) — about 1 rainy day
Still extremely hot. The wettest month of the year due to monsoon activity — sudden afternoon thunderstorms are common.
☀️ Las Vegas Weather in September
High: ~97°F (36°C)
Low: ~46°F (8°C)
Rain: 5.2 mm (0.20 in) — about 1 rainy day
Weather becomes more comfortable. Early September is still hot; late September feels warm and pleasant.
🌤 Las Vegas Weather in October
High: ~84°F (29°C)
Low: ~36°F (2°C)
Rain: 8.4 mm (0.33 in) — about 1 rainy day
A favorite month among locals — warm days, cool nights, and low humidity.
🌤 Las Vegas Weather in November
High: ~70°F (21°C)
Low: ~27°F (-3°C)
Rain: 10.8 mm (0.43 in) — about 1 rainy day
Temperatures drop noticeably. Weather stays clear and dry. Great for walking the Strip.
🌤 Las Vegas Weather in December
High: ~59°F (15°C)
Low: ~27°F (-3°C)
Rain: 8.5 mm (0.33 in) — about 1 rainy day
Snow: 0.6 mm trace possible
Cool days and cold nights. Holiday displays shine under crisp desert skies.
Las Vegas Weather by Month
Month
Avg High (°F/°C)
Avg Low (°F/°C)
Rainfall (inches)
Sun (hrs/day)
Jan
59°F / 15°C
28°F / -2°C
0.55
10
Feb
66°F / 19°C
34°F / 1°C
0.59
11
Mar
72°F / 22°C
39°F / 4°C
0.55
12
Apr
81°F / 27°C
45°F / 7°C
0.21
13
May
90°F / 32°C
54°F / 12°C
0.29
14
Jun
102°F / 39°C
61°F / 16°C
0.09
14.5
Jul
106°F / 41°C
68°F / 20°C
0.26
14.5
Aug
104°F / 40°C
66°F / 19°C
1.04
13.5
Sep
97°F / 36°C
57°F / 14°C
0.20
12.5
Oct
84°F / 29°C
46°F / 8°C
0.33
11.5
Nov
70°F / 21°C
36°F / 2°C
0.43
10.5
Dec
59°F / 15°C
27°F / -3°C
0.33
10
Best Time to Visit Las Vegas for Weather
For Pool Parties: May – early October
For Comfortable Daytime Exploring: March – April, October – November
For Avoiding Heat: December – February
For Cheapest Hotel Prices: July – August (extreme heat keeps crowds down)
Tips for Visiting Las Vegas Based on Weather
Hydrate constantly in summer—temperatures regularly exceed 105°F.
Use sunscreen year-round; UV is strong even in winter.
Pack layers in winter, as nights drop sharply.
Expect sudden storms during July–August monsoon season.
20 FAQs About Las Vegas Weather
1. What is the weather like in Las Vegas year-round?
Las Vegas has a desert climate with hot summers, mild winters, low humidity, and very little rainfall throughout the year.
2. What is the hottest month in Las Vegas?
July is the hottest month, with average high temperatures around 106°F (41°C).
3. What is the coldest month in Las Vegas?
December and January are the coldest months, with average daytime temperatures around 57–58°F (14°C).
4. Does it snow in Las Vegas?
Snow is very rare in Las Vegas. When it does occur, it usually melts quickly and does not accumulate.
5. When is the best time to visit Las Vegas for good weather?
The best weather is usually March–May and September–November, when temperatures are warm but not extremely hot.
6. How hot does Las Vegas get in summer?
Summer temperatures often reach 100–110°F (38–43°C) during the day, especially in June, July, and August.
7. How cold does Las Vegas get in winter?
Winter nights can drop to around 35–40°F (2–4°C), but daytime temperatures are usually mild.
8. Does Las Vegas have a rainy season?
Las Vegas does not have a traditional rainy season, but July and August sometimes bring brief monsoon thunderstorms.
9. How much rain does Las Vegas get annually?
Las Vegas receives approximately 126 mm (about 5 inches) of rainfall per year, making it one of the driest major cities in the United States.
10. Is Las Vegas humid?
No. Las Vegas has very low humidity, which makes the heat feel more tolerable than in humid climates.
11. Is Las Vegas windy?
Las Vegas can experience windy days in spring, especially in March and April.
12. What is the weather like in Las Vegas in spring?
Spring weather is pleasant and warming, with highs ranging from 72–90°F (22–32°C) in March through May, and lows between 39–54°F (4–12°C).
13. What is the weather like in Las Vegas in fall?
Fall is mild and comfortable, with temperatures typically between 70°F and 85°F (21–29°C).
14. Can you swim in Las Vegas pools year-round?
Most hotel pools are open March through October, though some heated pools operate year-round.
15. What should I wear in Las Vegas summer?
Light clothing, sunglasses, sunscreen, and a hat are essential due to extreme heat — highs regularly exceed 100°F (39°C) from June through August.
16. Do desert temperatures drop at night in Las Vegas?
Yes. Even in summer, temperatures often drop significantly after sunset.
17. Does Las Vegas experience thunderstorms?
Yes. Short but intense thunderstorms occur during the monsoon season, primarily in August, which is the wettest month with 26.4 mm (1.04 in) of rain.
18. Is Las Vegas sunny most of the year?
Yes. Las Vegas enjoys over 300 sunny days per year.
19. Does Las Vegas ever experience extreme weather?
Occasionally, Las Vegas can experience heat waves, strong winds, or flash floods during storms.
20. Is Las Vegas weather good for outdoor activities?
Yes. The dry climate and abundant sunshine make Las Vegas excellent for hiking, sightseeing, and outdoor attractions. The most comfortable months for outdoor activities are April, May, October, and early November.
Hi,
I'm Thanh Tung and I'm an avid nature enthusiast with an insatiable curiosity for the wonders of the natural world, I spends their time exploring the beauty and diversity of national parks. From majestic mountain ranges to serene desert landscapes, they are dedicated to uncovering the stories, history, and ecosystems of these protected areas
View all posts by Thanh Tung
