ERA5 almanac comparison — 8 years of real data
Dallas vs Las Vegas: weather in November
Las Vegas edges out Dallas for sun in November: 34% clear historically versus 21% (8-year ERA5 average, a 13-point gap). Dallas also sees measurably more rain than Las Vegas this month (23% vs 6% of days). Both are viable — Las Vegas is the safer bet.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific November. For this
week’s actual forecast, each destination links to its live page below.
Dallas
TX
- Clear days, November
- 21%
- Sample size
- n=240 days
- Avg high
- 68°F
- Early November (1st–15th)
- 27%
- Late November (16th–end)
- 15%
- Rain frequency
- 23% of days
Las Vegas
NV
- Clear days, November
- 34%
- Sample size
- n=240 days
- Avg high
- 68°F
- Early November (1st–15th)
- 57%
- Late November (16th–end)
- 10%
- Rain frequency
- 6% of days
Compare Dallas vs Las Vegas 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.