ERA5 almanac comparison — 8 years of real data
Las Vegas vs Memphis: weather in August
Las Vegas is the clear winner for sun in August: 85% of days historically clear versus just 42% in Memphis — a 43-point gap across 8 years of ERA5 data. This isn't close.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific August. For this
week’s actual forecast, each destination links to its live page below.
Las Vegas
NV
- Clear days, August
- 85%
- Sample size
- n=248 days
- Avg high
- 104°F
- Early August (1st–15th)
- 82%
- Late August (16th–end)
- 87%
- Rain frequency
- 5% of days
Memphis
TN
- Clear days, August
- 42%
- Sample size
- n=248 days
- Avg high
- 89°F
- Early August (1st–15th)
- 40%
- Late August (16th–end)
- 43%
Compare Las Vegas vs Memphis in another month
All percentages are historical averages from the ERA5 reanalysis via Open-Meteo, 8 full years (2018–2025). “Clear” means avg high ≥ 72 °F, precipitation < 1 mm, and a non-precipitation weather code. This is history, not a forecast. The live 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.