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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Current UK weather desk. Data from national met services via Open-Meteo.
Las Vegas sits in the Mojave Desert, giving it a scorching summer climate and mild winters. Based on the live forecast above, conditions today are typical for the season — expect clear skies and low humidity, making evenings pleasant even in warmer months.
What is the best time to visit Las Vegas for decent weather?
March to May and September to November are the most comfortable periods. Daytime highs range from 20°C to 30°C (68–86°F), with minimal rain. Summer months (June–August) frequently exceed 40°C (104°F), which can be intense for sightseeing. If you’re looking at las vegas weather by month, these shoulder seasons offer the best balance of heat and activity.
What should I pack for a trip to Las Vegas?
Lightweight, breathable clothing is essential for summer, along with sunscreen and a reusable water bottle. In winter (December–February), a jacket or jumper is needed for evenings, as temperatures can drop to around 4°C (39°F). Comfortable walking shoes are a must year-round. Check the las vegas weather 14 day forecast before you pack, as conditions can shift quickly in the desert.
Does Las Vegas have a monsoon season?
Yes, from July to September, brief but intense afternoon thunderstorms can occur. These are localised and often pass quickly, but they can cause flash flooding in low-lying areas. Check the las vegas weather forecast 21 day for any alerts.
Can I visit Las Vegas in December?
Absolutely. December is mild and dry, with daytime highs around 14°C (57°F). It’s a popular time for shows and indoor attractions, though nights are chilly. For las vegas weather december figures, expect lows near 4°C (39°F) with clear skies.
Is the 10-day forecast reliable for Las Vegas?
Desert climates offer good reliability due to stable high-pressure systems. A las vegas weather 10 days outlook is usually accurate for general trends. For finer detail, a las vegas weather next 15 days or las vegas weather next 30 days long-range forecast can help with planning, but confirm nearer the time.
For more destinations, see our UK weather hub or compare with Dubai Weather. If you’re planning further ahead, the 10 Day Weather Forecast UK page offers tips on reading long-range data.