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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Down Under Brief 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 typical of the Mojave Desert – long, intensely hot summers and short, mild winters with very low humidity year-round. The live forecast above captures current conditions across the valley, and for travellers checking las vegas weather december or las vegas weather in celsius, the pattern is reliably dry and sunny.
When is the best time to visit Las Vegas?
Spring (March to May) and autumn (September to November) offer the most comfortable temperatures, with daytime highs between 20°C and 30°C. Summer heat from June to August often exceeds 40°C, while winter lows can drop to around 4°C. Anyone looking at las vegas weather by month will see that November through February are the coolest, but still pleasant for outdoor sightseeing.
How does Las Vegas compare to Australian desert cities?
Similar to Alice Springs or Mildura, Las Vegas has a dry, continental desert climate. Rainfall is scarce – about 100 mm annually – and skies are clear most of the year. The key difference is winter chill: Vegas nights can dip below freezing, whereas inland Australia stays milder overnight. If you’re consulting las vegas weather 14 day forecast or las vegas weather forecast 21 day, remember that long-range outlooks for desert regions are generally stable.
Does it ever snow in Las Vegas?
Very rarely. Measurable snow occurs maybe once a decade, and it usually melts within hours. The surrounding mountains get snow in winter, but the valley floor stays dry and cold when checking weather in las vegas 10 days or las vegas weather next 30 days.
What should I pack for Las Vegas in December?
Daytime highs around 14°C and evening lows near 3°C call for a warm jacket, layers, and comfortable walking shoes. Even though it’s dry, a light scarf or hat helps against the desert chill. Those monitoring las vegas weather next 15 days will see little variation.
Are long-range forecasts reliable for Las Vegas?
Because the desert climate is so stable, 14-day and 21-day outlooks are fairly accurate for temperature trends, though rainfall is almost always nil. For short trips, check the live forecast above; for planning, las vegas weather forecast 21 day gives a reliable pattern.
For more on Australian desert climates, visit our Australia weather hub and stay informed with severe weather warnings.