ERA5 almanac comparison — 8 years of real data
Marfa vs Naples: weather in May
Marfa is the clear winner for sun in May: 73% of days historically clear versus just 28% in Naples — a 45-point gap across 8 years of ERA5 data. Naples also sees measurably more rain than Marfa this month (48% vs 10% of days). This isn't close.
Marfa
TX
- Clear days, May
- 73%
- Sample size
- n=248 days
- Avg high
- 87°F
- Early May (1st–15th)
- 71%
- Late May (16th–end)
- 75%
- Rain frequency
- 10% of days
Naples
FL
- Clear days, May
- 28%
- Sample size
- n=248 days
- Avg high
- 87°F
- Early May (1st–15th)
- 34%
- Late May (16th–end)
- 23%
- Rain frequency
- 48% of days
Frequently asked
Is Marfa or Naples warmer in May?
Equally warm by day in May. Marfa averages highs of 87°F (highs n=248 days); Naples averages highs of 87°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Marfa or Naples in May?
Naples is measurably wetter than Marfa. Days with measurable rain: Marfa 10%, Naples 48% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in May, Marfa or Naples?
Marfa is the clear winner for sun in May: 73% of days historically clear versus just 28% in Naples — a 45-point gap across 8 years of ERA5 data. Naples also sees measurably more rain than Marfa this month (48% vs 10% of days). This isn't close.
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 forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.