ERA5 almanac comparison — 8 years of real data
Las Vegas vs Santa Barbara: weather in July
Santa Barbara edges out Las Vegas for sun in July: 93% clear historically versus 88% (8-year ERA5 average, a 5-point gap). Both are viable — Santa Barbara is the safer bet.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific July. For this
week’s actual forecast, each destination links to its live page below.
Las Vegas
NV
- Clear days, July
- 88%
- Sample size
- n=248 days
- Avg high
- 107°F
- Early July (1st–15th)
- 94%
- Late July (16th–end)
- 83%
- Rain frequency
- 5% of days
Santa Barbara
CA
- Clear days, July
- 93%
- Sample size
- n=248 days
- Avg high
- 84°F
- Early July (1st–15th)
- 91%
- Late July (16th–end)
- 95%
- Rain frequency
- 1% of days
Compare Las Vegas vs Santa Barbara 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.