Las Vegas March Weather 2025. In las vegas, the temperatures in march are quite moderate compared to the peak summer heat. The weather in las vegas in march comes from statistical datas on the past years.

Generally, march in las vegas will be really nice, with an average temperature of around 71°f / 22°c. Expect 21°c daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in las vegas in march.