Las Vegas Weather in October
Hot weather leaves Las Vegas, Nevada during October. This month usually has the last thunderstorm of the year and the last days of temperatures over 90 degrees Fahrenheit (32 degrees Celsius).
This page gives detailed information on the typical October temperature, precipitation, sun, humidity, wind and storms for Las Vegas. The numbers here are historical averages based on climate data gathered at the McCarran International Airport, located near the south end of the Las Vegas Strip.
Temperature
| 81 °F | October average high | 27 °C |
| 60 °F | October average low | 15 °C |
| 19 days | 80 °F max. or more (27 °C) |
| 19 days | 60 °F min. or less (16 °C) |
Usually every October day warms to over 60 °F (16 °C) in Las Vegas. The city averages 6 days this month when the thermometer reaches into the 90s °F (over 32 °C). Temperatures above 100 °F (38 °C) are rare events during October.
At night, the thermometer dips to 50 °F (10 °C) or below on 3 days. October gets as cold as 40 °F (4 °C) about once every few years.
Rain
| 0.3 in | total precipitation | 8 mm |
| 2 days | of rain |
Most years, Las Vegas gets less than 0.5 inches (13 mm) of rain in October. About once every four years, the city receives no rain at all this month.
Sun
| 87 % | sunshine |
| 20 days | clear skies |
The sun's rays reach the ground in Las Vegas during 87 percent of daylight hours on average in October, for a total of 304 hours in the month. Typically on 20 days this month the sky is mainly clear, with at most 30 percent cloud cover.
Sunlight in October at Las Vegas lasts for 11 hours and 14 minutes a day on average. The longest day of the month is the 1st with 11 hours and 48 minutes of daylight. By the end of the month, the days have shortened to 10:42 from sunrise to sunset. These durations can vary by a minute or two from year to year.
Humidity
| 29 % | October average humidity |
The relative humidity in Las Vegas during October usually peaks at 38 percent in the morning then drops to 19 percent around mid afternoon.
| Local Time | 1 am | 4 am | 7 am | 10 am | 1 pm | 4 pm | 7 pm | 10 pm |
| Humidity % | 34 | 38 | 37 | 25 | 20 | 19 | 26 | 31 |
Wind
| 8.1 mph | October wind speed average | 13.0 kph |
October is a little less windy than most other months in Las Vegas.
Storms
| 1 day | rainfall of 0.1 inches (2.5 mm) or more |
| 1 day | with thunderstorms in October |
About once a decade, Las Vegas receives as much as an inch (25 mm) of rain in one day during October.
October usually has the last thunderstorm of the year.
Reference
The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.