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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Story Native weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Las Vegas weather is defined by extreme desert heat in summer and mild, sunny winters, with very low annual rainfall. As shown in the live forecast above, conditions are typically dry and bright, making it a year-round destination, though summer temperatures regularly exceed 40°C.
What is the typical weather pattern in Las Vegas?
Las Vegas sits in the Mojave Desert, giving it a hot arid climate. Summers (June to August) are scorching, with average highs above 38°C and overnight lows rarely below 25°C. Winters (December to February) are mild and pleasant, with daytime highs around 14–16°C and cooler nights. Spring and autumn offer the most comfortable conditions, with temperatures in the 20–30°C range. Rainfall is sparse throughout the year, averaging less than 100mm annually, with most precipitation occurring in winter.
How does Las Vegas weather vary by month?
For those checking las vegas weather by month, the key shift is between the mild winter and extreme summer. From November to February, daytime highs range from 14–18°C, ideal for outdoor activities. March to May sees a rapid warm-up, with May already reaching 32°C. June through August is intensely hot, often exceeding 40°C, making air conditioning essential. September and October bring a welcome cooldown, with October highs around 27°C. If you are looking at las vegas weather december, expect crisp, sunny days and chilly nights.
What should visitors know about longer-range forecasts?
For planning, a las vegas weather 14 day forecast or las vegas weather forecast 21 day can give a general trend, but desert weather is highly stable, so short-term predictions are most reliable. A weather in las vegas 10 days outlook is typically accurate for temperature ranges, while las vegas weather next 30 days and las vegas weather next 15 days forecasts are best used for broad pattern recognition rather than precise daily details. Always check the live forecast above for the most current data.
Does Las Vegas ever get cold?
Yes, especially at night in winter. December and January lows can drop to 3–5°C, though daytime highs remain mild. Frost is rare but possible, and snow is extremely uncommon, occurring only once every few years.
What is the best time to visit for mild weather?
March to May and September to November offer the most comfortable conditions, with temperatures between 20–30°C. These months avoid the extreme summer heat and the cooler winter nights, making them ideal for sightseeing and outdoor activities.
How do I convert Las Vegas temperatures to Celsius?
Las Vegas weather in celsius is standard for UK visitors. Summer highs of 105°F equal about 40°C, while a winter day of 60°F is roughly 15°C. The live forecast above displays temperatures in Celsius for your convenience.
Sources
For more UK-focused forecasts, visit our UK weather hub or check conditions in other popular destinations like Dubai Weather and Barcelona Weather. For extended planning, see our 10 Day Weather Forecast UK.