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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the UrbanMixr weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before you finalise your trip, as Las Vegas weather varies sharply by season — scorching summers and chilly winters mean your packing list depends entirely on when you visit.
What is the best time to visit Las Vegas for good weather?
Spring (March to May) and autumn (September to November) offer the most comfortable conditions, with daytime highs between 20°C and 30°C. Summer heat from June to August often exceeds 40°C, making sightseeing uncomfortable, while winter (December to February) sees cool days around 15°C and chilly nights. For a balance of warmth and value, aim for April or October, avoiding peak school holidays when prices rise.
What should you pack for Las Vegas?
Pack lightweight layers. In summer, bring sun protection, a hat and a reusable water bottle — the dry heat can be deceptive. Winter visitors need a warm jacket for evenings, as desert temperatures drop sharply. A light sweater or pashmina works well for air-conditioned casinos year-round. If you’re checking las vegas weather december, expect crisp days and cold nights, so pack accordingly.
Is Las Vegas rainy in December?
Las Vegas is arid year-round, but December is one of the slightly wetter months, with around 10–15 mm of rain. Still, most days are dry and sunny. The bigger concern is the cold: daytime highs struggle to reach 15°C, and night-time lows can dip to 3°C, so pack a warm coat if you’re visiting then.
What is the 14 day forecast for Las Vegas?
The live forecast above gives you the most accurate view for the next two weeks. For longer-range planning, check las vegas weather next 15 days or las vegas weather next 30 days on a dedicated forecast site, though reliability decreases beyond 7–10 days.
What are average temperatures in Las Vegas by month?
January highs average 14°C, climbing to 25°C in April, peaking at 40°C in July, then dropping to 27°C in October and 15°C in December. Las vegas weather in celsius makes clear the extreme seasonal swing — plan your visit around spring or autumn for the most pleasant conditions.
How hot is Las Vegas in summer?
Summer temperatures routinely exceed 40°C, with July and August the hottest months. Night-time lows often stay above 25°C. If you’re looking at weather in las vegas 10 days ahead in summer, expect consistent heat. Stick to indoor attractions or early morning outings to stay comfortable.
For travellers used to UK climates, the dry desert heat of Las Vegas feels different to humidity — it’s easier to tolerate in the shade but can cause rapid dehydration. Always carry water and plan indoor breaks. If you’re considering a trip to another hot destination, our Dubai weather guide offers similar seasonal advice. For general UK conditions, see our UK weather hub.