ERA5 almanac comparison — 8 years of real data
Napa vs Panama City Beach: weather in June
Napa is the clear winner for sun in June: 94% of days historically clear versus just 18% in Panama City Beach — a 76-point gap across 8 years of ERA5 data. Panama City Beach also sees measurably more rain than Napa this month (54% vs 2% of days). This isn't close.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific June. For this
week’s actual forecast, each destination links to its live page below.
Napa
CA
- Clear days, June
- 94%
- Sample size
- n=240 days
- Avg high
- 84°F
- Early June (1st–15th)
- 91%
- Late June (16th–end)
- 97%
- Rain frequency
- 2% of days
Panama City Beach
FL
- Clear days, June
- 18%
- Sample size
- n=240 days
- Avg high
- 85°F
- Early June (1st–15th)
- 18%
- Late June (16th–end)
- 17%
- Rain frequency
- 54% of days
Compare Napa vs Panama City Beach 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.