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 Weather by Month
| Month | Avg High (°F / °C) | Avg Low (°F / °C) | Rainfall (inches) | Sun (hours/day) |
|---|---|---|---|---|
| January | 58°F / 14°C | 39°F / 4°C | 0.55 | 8 |
| February | 62°F / 17°C | 43°F / 6°C | 0.75 | 9 |
| March | 70°F / 21°C | 49°F / 9°C | 0.43 | 10 |
| April | 78°F / 26°C | 56°F / 13°C | 0.16 | 11 |
| May | 89°F / 32°C | 66°F / 19°C | 0.12 | 13 |
| June | 99°F / 37°C | 75°F / 24°C | 0.08 | 13 |
| July | 104°F / 40°C | 81°F / 27°C | 0.39 | 13 |
| August | 102°F / 39°C | 79°F / 26°C | 0.31 | 12 |
| September | 94°F / 34°C | 71°F / 22°C | 0.24 | 11 |
| October | 81°F / 27°C | 58°F / 14°C | 0.28 | 10 |
| November | 66°F / 19°C | 47°F / 8°C | 0.35 | 9 |
| December | 57°F / 14°C | 39°F / 4°C | 0.51 | 8 |
🌤 Las Vegas Weather in January
- High: ~58°F (14°C)
- Low: ~39°F (4°C)
- Rain: Light showers possible
January is the coldest month. Days are crisp and sunny; nights can feel surprisingly chilly.
🌤 Las Vegas Weather in February
- High: ~61°F (16°C)
- Low: ~42°F (6°C)
- Rain: Occasional winter showers
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: ~71°F (22°C)
- Low: ~49°F (9°C)
Spring weather arrives. Longer, warmer days make this one of the most pleasant months to visit.
🌤 Las Vegas Weather in April
- High: ~80°F (27°C)
- Low: ~57°F (14°C)
Comfortable and dry—perfect for pool season openers.
☀️ Las Vegas Weather in May
- High: ~90°F (32°C)
- Low: ~66°F (19°C)
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: ~74°F (23°C)
Official start of intense desert heat. Hydration is essential.
🔥 Las Vegas Weather in July
- High: ~107°F (42°C)
- Low: ~81°F (27°C)
The hottest month. Afternoon highs often exceed 110°F (43°C). Pool parties peak.
🔥 Las Vegas Weather in August
- High: ~104°F (40°C)
- Low: ~79°F (26°C)
Still extremely hot, but slightly less intense than July. Occasional monsoon storms possible.
☀️ Las Vegas Weather in September
- High: ~96°F (36°C)
- Low: ~71°F (22°C)
Weather becomes more comfortable. Early September is still hot; late September feels warm and pleasant.
🌤 Las Vegas Weather in October
- High: ~82°F (28°C)
- Low: ~59°F (15°C)
A favorite month among locals—warm days, cool nights, and low humidity.
🌤 Las Vegas Weather in November
- High: ~67°F (19°C)
- Low: ~47°F (8°C)
Temperatures drop, but weather stays clear. Great for walking the Strip.
🌤 Las Vegas Weather in December
- High: ~57°F (14°C)
- Low: ~39°F (4°C)
Cool days and cold nights. Holiday displays shine under crisp desert skies.
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 typically the hottest month, with average high temperatures around 104°F (40°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 about 4 inches (100 mm) 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 warm, with temperatures ranging from 70°F to 90°F (21–32°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 recommended due to the extreme heat and strong sun.
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 sometimes occur during the late summer monsoon season.
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 sunny weather make Las Vegas great for hiking, sightseeing, and outdoor attractions for most of the year.