Located in the heart of the Nevada desert, Las Vegas is known for its unique and diverse climate.
The hottest month of the year in Las Vegas is July, with an average high of 104°F and a low of 80°F.
Visitors can expect the warm season to last from late May to mid-September, offering plenty of sunshine and clear skies.
During the cooler months, temperatures in Las Vegas drop significantly.
December stands out as the coldest month, with average highs around 58°F and lows near 39°F.
The cool season lasts from mid-November to late February, providing a much-needed reprieve from the intense summer heat.
Rain is a rare sight in Las Vegas, making it an ideal destination for travelers seeking dry weather.
The city averages around 4 inches of rainfall per year, which contributes to its arid desert climate.
With such varied temperatures and minimal precipitation, planning a visit to Las Vegas requires a good understanding of its weather patterns.
Average Temperature in Las Vegas, Nevada
Las Vegas experiences a range of temperatures throughout the year.
The hottest month is July, when temperatures often reach an average high of 104°F and a low of 80°F. This can make for sweltering heat during the peak of summer.
In contrast, December is typically the coldest month. During this time, the average high temperature is around 58°F, while the average low temperature drops to about 39°F.
Here is a table with the average temperatures for a few selected months:
| Month | High (°F) | Low (°F) |
|---|---|---|
| January | 58 | 38 |
| March | 70 | 50 |
| June | 99 | 72 |
| July | 104 | 80 |
| August | 103 | 78 |
| October | 80 | 55 |
| December | 58 | 39 |
During May to October, nighttime temperatures often stay above 50°F.
In July and August, it rarely drops below 70°F at night, creating consistently warm evenings.
From November to February, daily high temperatures usually fall below 66°F.
During these months, nighttime temperatures occasionally touch freezing, with an average of ten nights per year experiencing freezing weather.
The months of early June and September also see significant heat, with average daily highs above 76°F.
For more detailed temperature analysis, this Temperature – ChaseDay.com page contains additional information.
Average Precipitation in Las Vegas, Nevada
Las Vegas experiences low total precipitation throughout the year, with minimal rainfall and almost no snowfall. This makes it one of the driest cities in the United States.
Average Rainfall in Las Vegas, Nevada
Las Vegas receives 4.19 inches of rainfall per year on average.
The city experiences very few rainy days, roughly 21 days annually. Most of the rain occurs during the monsoon season, typically from July to September.
Rainfall is rare in the winter months. The spring and fall seasons also see minimal rain.
When it does rain, it usually falls in short bursts. These downpours can quickly lead to flash floods due to the dry, hard ground.
Average Snow in Las Vegas, Nevada
Las Vegas rarely sees any snowfall.
Snow is almost non-existent, with only occasional flurries seen during exceptional weather conditions. When it does snow, it is usually in the higher elevations surrounding the city.
The low likelihood of snow eliminates the need for residents to worry about snow-related disruptions.
Unlike other parts of the United States, snow and ice are not a usual concern for Las Vegas.
For more information on snow and ice, refer to relevant articles on snow and ice. Snowfall reports in Las Vegas are rare, and such events are considered anomalies rather than the norm.
Average Sun in Las Vegas, Nevada
Las Vegas, Nevada, is known for its abundant sunshine and extended daylight hours, particularly during the summer when clear skies are most common.
Average Daily Shortwave Solar Energy in Las Vegas, Nevada
Las Vegas enjoys significant solar energy throughout the year due to its typically clear skies.
In June, the city experiences the longest days of the year, with approximately 14.6 hours of daylight.
Clear skies dominate the summer months, contributing to the high levels of solar energy received daily.
The average daily shortwave solar energy peaks around 7.9 kWh in June.
Even in winter, Las Vegas receives a considerable amount of sunshine, with around 5.0 kWh per day in December.
Days in Las Vegas often see about 27.3 days of sunshine in June, perfect for those who enjoy outdoor activities and basking in the sun.
The combination of long daylight hours and clear skies ensures that the city is one of the sunniest in the United States, contributing to its reputation as a bright and radiant destination.
More details about Las Vegas’s climate and sunshine can be explored here and here.
Average Humidity in Las Vegas, Nevada
Las Vegas, Nevada, has a dry desert climate with low humidity year-round. The average annual humidity hovers around 31%, creating a generally comfortable environment.
December is the most humid month with an average relative humidity of 45%.
June, on the other hand, is the least humid month, averaging just 17% source.
The table below summarizes the average monthly humidity:
| Month | Average Humidity (%) |
|---|---|
| January | 40 |
| February | 34 |
| March | 26 |
| April | 21 |
| May | 18 |
| June | 17 |
| July | 18 |
| August | 22 |
| September | 24 |
| October | 28 |
| November | 33 |
| December | 45 |
During the summer, Las Vegas experiences sweltering heat, often exceeding 100°F.
Despite high temperatures, low humidity makes the air feel less oppressive. The dew point remains low, contributing to the dry feel.
In winter, humidity levels rise slightly, but temperatures can get cold, sometimes dropping below freezing.
These cold months feel more comfortable because of the increased moisture in the air.
Humidity levels in Las Vegas create a dry climate, making it a popular destination for those who prefer less humid conditions.
This climate rarely feels very cold or uncomfortably warm due to the low moisture content in the air.
Average Wind in Las Vegas, Nevada
Wind is a notable feature of Las Vegas weather. Daily wind speeds vary throughout the year.
The average wind speed in Las Vegas is generally around 7 mph. During the spring months, wind speeds are higher.
Monthly Average Wind Speed
- January: 6.5 mph
- February: 7.2 mph
- March: 8.1 mph
- April: 9.2 mph
- May: 9.5 mph
- June: 8.7 mph
- July: 7.6 mph
- August: 7.3 mph
- September: 7.2 mph
- October: 6.9 mph
- November: 6.7 mph
- December: 6.4 mph
The strongest winds occur in late spring, particularly in May. This high wind period can affect outdoor activities.
Las Vegas also experiences gusts that can occasionally reach 30 mph.
These gusts are most common in the spring, matching the higher wind averages during this time.
For those interested in detailed monthly wind data, you can find information about the average wind speed throughout the year.
Average Air Quality in Las Vegas, Nevada
Las Vegas air quality is influenced by its dry climate and desert surroundings.
The city’s air quality index (AQI) is generally in the “Good” category, which means that air pollution poses little or no risk to health.
| ATTRIBUTE | VALUE |
|---|---|
| Typical AQI Range | 0 to 50 (Good) |
| Main Pollutants | PM2.5, Ozone |
PM2.5, which stands for particulate matter smaller than 2.5 micrometers, is a common pollutant.
Ozone levels can also rise, especially during the hotter months.
People contribute to air quality through activities like driving and industrial work.
Wildfires, both local and those in nearby regions, can temporarily affect air quality, bringing in smoke and increasing pollution levels.
Residents and visitors can check real-time air quality information on websites like IQAir and AccuWeather.
These resources provide localized air quality index and forecast data.
Las Vegas is committed to monitoring and improving air quality.
Clark County has a dedicated air quality map, which includes a Monitoring Network Plan and gives information about the current air quality conditions.
Topography of Las Vegas, Nevada
Las Vegas, located in Clark County, Nevada, is positioned within the vast Mojave Desert.
The Las Vegas Valley spans approximately 600 square miles, sloping gradually upwards on each side towards the surrounding mountains.
The elevation in Las Vegas ranges from 1,657 feet in the valley to 6,890 feet at the higher points.
The average elevation of the city is 2,480 feet.
The mountains around Las Vegas are significant, with some peaks reaching over 10,000 feet.
To the west side, the mountains offer natural barriers, impacting weather patterns and moisture flow.
On the northeast, the terrain slopes upward, enhancing the picturesque views of the landscape.
The southeast side of Las Vegas also has gradual elevations, contributing to the city’s unique desert topography.
Elevation Highlights:
- Average Elevation: 2,480 feet
- Minimum Elevation: 1,657 feet
- Maximum Elevation: 6,890 feet
- Peak Elevations: Over 10,000 feet
This varied elevation creates diverse landscapes within a short distance.
The surrounding high elevations play a role in the surface movement of air masses, influencing local climate conditions.
The topography is distinct with its valley floor and the rising terrain towards the mountains.
In winter, higher elevations are ideal for recreational activities like skiing, despite the desert location.
Year-round, the changing elevations offer a mix of scenic views and outdoor adventures.
Extreme Weather Events that Occur in Las Vegas, Nevada
Las Vegas experiences several extreme weather events.
Heat Waves
Heat waves are common, particularly in the summer.
In July 2024, the city recorded a temperature of 120°F, the highest ever.
Thunderstorms
Thunderstorms can occur, particularly during the monsoon season from July to September.
These storms can bring heavy rain, lightning, and strong winds.
Flash Floods
Occasionally, Las Vegas experiences flash floods.
Intense rain from thunderstorms can cause rapid flooding, turning dry washes into dangerous streams.
High Winds
Strong winds are another extreme weather event in Las Vegas.
Gusts can reach speeds that create hazardous conditions, affecting traffic and outdoor activities.
| Weather Event | Description |
|---|---|
| Heat Waves | Severe heat, temperatures over 110°F |
| Thunderstorms | Rain, lightning, and strong winds during monsoon season |
| Flash Floods | Rapid flooding usually after thunderstorms |
| High Winds | Strong gusts that can disrupt activities |
These extreme weather events can pose risks and disrupt daily life.
Residents should stay informed and prepared for sudden changes in weather conditions.
Best Time of the Year to Visit Las Vegas, Nevada
Las Vegas, Nevada, experiences varying weather conditions throughout the year, making some times more favorable for visits.
Spring and fall are known for mild weather, while summer can be extremely hot, and winter offers a cooler climate.
What is Las Vegas, Nevada Like in Spring
Spring is one of the best seasons to visit Las Vegas.
From March to May, temperatures range between 69°F to 85°F.
This period is marked by moderate weather, making it ideal for outdoor activities and sightseeing.
The pleasant climate also means that the tourism score is high during these months.
Events like March Madness and various music festivals attract visitors.
The city is bustling, but not overwhelmingly crowded.
You can also enjoy poolside relaxation with comfortable beach/pool scores.
Spring is perfect for walking on the Strip without worrying about the scorching heat.
It’s recommended to book hotels and events in advance, as this season is popular among tourists.
What is Las Vegas, Nevada Like in Summer
Summer in Las Vegas is characterized by extreme heat, with temperatures often exceeding 105°F.
This season, lasting from June to August, can be challenging for those not accustomed to such high temperatures.
Despite the heat, tourism doesn’t completely die down, as indoor attractions and casinos remain popular.
Events like Memorial Day weekend and the 4th of July bring crowds despite the weather.
Many visitors prefer to stay in hotels with pools, benefiting from a good beach/pool score to cool off.
However, outdoor activities are limited due to the heat.
If you plan to visit during this time, staying hydrated and avoiding the midday sun is crucial.
What is Las Vegas, Nevada Like in Fall
Fall, spanning from September to November, offers another window of comfortable weather similar to spring.
Temperatures range from 82°F in September to around 60°F in November.
This season is favored for its moderate climate, lower humidity, and manageable crowds compared to the busy summer months.
Events such as Halloween festivities and various conventions make fall a vibrant time to visit.
It’s also a good period for hiking in nearby areas like Red Rock Canyon.
The tourism score is favorable, and you can find deals on hotels as the peak summer season winds down.
Fall allows for a mix of both indoor and outdoor activities without extreme temperatures.
What is Las Vegas, Nevada Like in Winter
Winter in Las Vegas is marked by cooler temperatures, ranging from 40°F to 60°F.
This period from December to February is less crowded compared to spring and fall, making it ideal for those who prefer a quieter visit.
The coldest months are January and February.
While it’s too chilly for pool activities, indoor attractions and shows run year-round.
December sees a spike in tourism due to events like the National Finals Rodeo, Christmas celebrations, and New Year’s Eve parties.
Though the beach/pool score is low, the city remains lively with holiday events and entertainment options.
Dress warmly and enjoy the festive atmosphere during this season.