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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Las Vegas weather is defined by extreme heat in summer and mild, sunny winters, with the live forecast above showing current conditions for your trip planning.
What is the typical climate in Las Vegas?
Las Vegas sits in the Mojave Desert, so expect low humidity and very little rainfall year-round. Summers (June–August) regularly push above 40°C, while winters (December–February) are cool and pleasant, with daytime highs around 14–16°C. Nights can be chilly in winter, often dropping to single digits.
- Summer: blazing sun, clear skies, occasional monsoon thunderstorms in July–August.
- Winter: crisp mornings, mild afternoons, rare frost.
- Spring and autumn are short but comfortable, with highs between 20–30°C.
- Rainfall averages less than 110 millimetres annually, mostly in winter.
How does the weather vary by season?
For a quick overview, las vegas weather by month shows a steady climb from cool January to scorching July, then a gradual drop. If you are checking las vegas weather december, expect crisp days and cold nights—perfect for walking the Strip without overheating. For longer outlooks, las vegas weather next 30 days or las vegas weather next 15 days can help you plan, though desert forecasts beyond 7–10 days are less reliable.
- Spring (March–May): warming rapidly; occasional wind.
- Summer (June–August): extreme heat; pool weather.
- Autumn (September–November): cooling; ideal for outdoor events.
- Winter (December–February): mild days, cold nights; lowest tourist crowds.
Is Las Vegas weather safe for outdoor sightseeing?
Yes, but avoid midday sun in summer. In winter, layer clothing because mornings can be near freezing. Always carry water and sunscreen, regardless of season.
Does Las Vegas get cold at night in winter?
Yes, overnight lows in December and January often fall to 2–5°C. A jacket or coat is essential for evening walks on the Strip or outdoor shows.
How accurate are long-range forecasts for Las Vegas?
For las vegas weather 14 day forecast or las vegas weather forecast 21 day, accuracy drops beyond 7 days. Use the live forecast above for current conditions and shorter outlooks.
Sources
For more Australian and international forecasts, visit our Australia weather hub or check conditions in Miami Weather for another sunny destination.