ERA5 almanac comparison — 8 years of real data
Marfa vs Naples: weather in November
Naples edges out Marfa for sun in November: 44% clear historically versus 34% (8-year ERA5 average, a 10-point gap). Naples also sees measurably more rain than Marfa this month (30% vs 8% of days). Both are viable — Naples 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.
Marfa
TX
- Clear days, November
- 34%
- Sample size
- n=240 days
- Avg high
- 68°F
- Early November (1st–15th)
- 52%
- Late November (16th–end)
- 17%
- Rain frequency
- 8% of days
Naples
FL
- Clear days, November
- 44%
- Sample size
- n=240 days
- Avg high
- 81°F
- Early November (1st–15th)
- 34%
- Late November (16th–end)
- 54%
- Rain frequency
- 30% of days
Compare Marfa vs Naples 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.