Las Vegas, Nevada Weather in August
United States · August climate averages and travel tips
Avg high40°C (104°F)
Avg low26°C (78°F)
Rainfall17 mm (0.7 in)
RatingPoor 2.7/10
In August, Las Vegas has average highs of 40°C (104°F) and lows of 26°C (78°F). August is summer in United States. The month is very dry, with about 17 mm (0.7 in) of rain spread over 4 days. The air is dry, with average humidity of just 25%. You get roughly 13.4 hours of daylight and a mix of sun and cloud.
Is August a good time to visit Las Vegas?
August is not the best time to visit Las Vegas (2.7/10) mainly because of the heat. The weather is much better in February to April and October to November.
August weather at a glance
| Average high | 40°C (104°F) |
|---|---|
| Average low | 26°C (78°F) |
| Daily mean | 33°C (91°F) |
| Rainfall | 17 mm (0.7 in) |
| Rainy days (1 mm+) | 4 |
| Humidity | 25% |
| Cloud cover | 35% |
| Daylight | 13.4 hours |
| Est. sunshine | 9.6 hours/day |
| Wind | 8.6 km/h |
| vs July | 1°C cooler than July, with similar rainfall. |
What to pack for Las Vegas in August
- light, breathable clothing
- sunscreen and a hat
- swimwear
Las Vegas weather in other months
Jan15°C / 3°C20 mmExcellentFeb18°C / 4°C18 mmExcellentMar22°C / 8°C13 mmExcellentApr27°C / 11°C6 mmExcellentMay32°C / 16°C4 mmGoodJun39°C / 22°C1 mmPoorJul42°C / 27°C16 mmPoorAug40°C / 26°C17 mmPoorSep36°C / 22°C10 mmFairOct29°C / 14°C10 mmExcellentNov21°C / 8°C9 mmExcellentDec15°C / 3°C17 mmExcellent
← JulyBest time to visit Las VegasSeptember →
Better weather in August nearby
- San Francisco, California23°C · 1 mm · Excellent
- Seattle, Washington24°C · 25 mm · Excellent
- Vancouver22°C · 32 mm · Excellent
- Victoria21°C · 26 mm · Excellent
- Calgary24°C · 62 mm · Excellent
- Honolulu, Hawaii28°C · 42 mm · Excellent
Nearby in August
- Los Angeles, California32°C · 4 mm
- Mexicali44°C · 9 mm
- Phoenix, Arizona40°C · 38 mm
- San Diego, California32°C · 6 mm
- Tijuana32°C · 6 mm
- San Francisco, California23°C · 1 mm
Where else is good in August? See where to go in August.