ERA5 almanac comparison — 8 years of real data
Las Vegas vs Nashville: weather in March
Las Vegas edges out Nashville for sun in March: 32% clear historically versus 8% (8-year ERA5 average, a 24-point gap). Nashville also sees measurably more rain than Las Vegas this month (38% vs 12% 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 March. For this
week’s actual forecast, each destination links to its live page below.
Las Vegas
NV
- Clear days, March
- 32%
- Sample size
- n=248 days
- Avg high
- 70°F
- Early March (1st–15th)
- 18%
- Late March (16th–end)
- 45%
- Rain frequency
- 12% of days
Nashville
TN
- Clear days, March
- 8%
- Sample size
- n=248 days
- Avg high
- 62°F
- Early March (1st–15th)
- 6%
- Late March (16th–end)
- 9%
- Rain frequency
- 38% of days
Compare Las Vegas vs Nashville 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.