| Quick facts | Answer |
|---|---|
| Station | Las Vegas Harry Reid International Airport |
| Period | 2000 - 2026-10-16 |
| Average 105°F days/year | 45.5 |
| Most in a year | 74 days (2024) |
| 2025 | 48 days |
| 2026 so far (through 2026-10-16) | 59 days |
| Peak month | Jul |
105°F days in Las Vegas, year by year
| Year | Days ≥ 105°F | Hottest day | Note |
|---|---|---|---|
| 2026 | 59 | 115°F | partial (289 days of data) |
| 2025 | 48 | 112°F | |
| 2024 | 74 | 120°F | |
| 2023 | 36 | 116°F | |
| 2022 | 38 | 112°F | |
| 2021 | 57 | 117°F | |
| 2020 | 61 | 114°F | |
| 2019 | 49 | 113°F | |
| 2018 | 55 | 115°F | |
| 2017 | 59 | 117°F | |
| 2016 | 53 | 115°F | |
| 2015 | 43 | 113°F | |
| 2014 | 29 | 112°F | |
| 2013 | 40 | 117°F | |
| 2012 | 36 | 114°F | |
| 2011 | 36 | 112°F | |
| 2010 | 46 | 113°F | |
| 2009 | 39 | 113°F | |
| 2008 | 53 | 111°F | |
| 2007 | 53 | 116°F | |
| 2006 | 45 | 113°F | |
| 2005 | 31 | 117°F | |
| 2004 | 34 | 112°F | |
| 2003 | 38 | 115°F | |
| 2002 | 47 | 113°F | |
| 2001 | 38 | 113°F | |
| 2000 | 44 | 113°F |
Which months bring 105°F days
Average number of 105°F days per month, 2000-2025:
| Month | Avg days |
|---|---|
| May | 0.7 |
| Jun | 10.8 |
| Jul | 20.2 |
| Aug | 13.9 |
| Sep | 2.1 |
What it means for mobile mechanic in Las Vegas
Battery failures, coolant leaks and A/C compressor problems pile up during extreme-heat stretches in the valley.
How we counted
We downloaded NOAA's daily record for station USW00023169 and counted every day since 2000 whose official high (TMAX) reached 105°F (NOAA stores tenths of a degree Celsius; we converted). Years with fewer than 330 days of data are marked partial and left out of the average.
Use this data
Reporters, bloggers and neighborhood groups are welcome to use these numbers. Please cite NOAA and link to this page. We refresh it from NOAA's files regularly.
