Las Vegas, NV weather by month
West · Station: Harry Reid International Airport, NV · NOAA 1991–2020 Climate Normals
The best time to visit Las Vegas, NV is April, October–November, when average daytime highs are comfortable and rainfall sits at or below the city's monthly average. Las Vegas is hottest in July (avg high 105°F) and coolest in December (avg high 57°F). The wettest month is February (0.8 in) and the driest is June (0 in). Overall the annual mean temperature is about 70.2°F with 4.2 in of precipitation a year.
Source: NOAA NCEI U.S. Climate Normals 1991–2020. Data as of June 2026.
Monthly weather averages for Las Vegas
| Month | Avg high (°F) | Avg low (°F) | Avg precip (in) |
|---|---|---|---|
| January | 59 | 41 | 0.6 |
| February | 63 | 44 | 0.8 |
| March | 71 | 51 | 0.4 |
| April | 79 | 57 | 0.2 |
| May | 89 | 66 | 0.1 |
| June | 99 | 76 | 0 |
| July | 105 | 82 | 0.4 |
| August | 103 | 81 | 0.3 |
| September | 95 | 72 | 0.3 |
| October | 81 | 60 | 0.3 |
| November | 67 | 47 | 0.3 |
| December | 57 | 40 | 0.5 |
Source: NOAA NCEI U.S. Climate Normals 1991–2020. Data as of June 2026.
Best time to visit Las Vegas
Based on the normals above, the most pleasant window is April, October–November. In those months daytime highs are in the mild-to-warm range and precipitation is no higher than the city's typical month, so you avoid both the peak very hot of July (when highs reach about 105°F — extreme heat — limit midday activity) and the cool, darker conditions around December (highs near 57°F). Use the packing & comfort tool to check any specific month.
How Las Vegas compares
Las Vegas's 4.2 in of annual precipitation and 70.2°F mean temperature put it in context with other US cities. See where it ranks for warmest in January, rainiest overall and driest overall, or browse the full list of cities.
Frequently asked questions
What is the best time to visit Las Vegas?
The most comfortable time to visit Las Vegas, NV is April, October–November, when average daytime highs are mild and rainfall is at or below the city's average. Las Vegas is hottest in July (avg high 105°F) and coolest in December (avg high 57°F), per NOAA 1991–2020 Climate Normals.
What is the average temperature in Las Vegas?
Las Vegas's annual mean temperature is about 70.2°F. The warmest month is July (average high 105°F, low 82°F) and the coolest is December (average high 57°F, low 40°F).
How much rain does Las Vegas get?
Las Vegas receives about 4.2 inches of precipitation a year. The wettest month is February (0.8 in) and the driest is June (0 in).
Source
Monthly averages from the NOAA NCEI U.S. Climate Normals 1991–2020, station Harry Reid International Airport, NV (reference values verified against the published normals). Climate normals describe a 30-year average, not a forecast; any individual year can differ. See our methodology for how "best time to visit" is derived.
Last updated: 2026-06-18