ERA5 almanac comparison — 8 years of real data
Boston vs Memphis: weather in June
Memphis edges out Boston for sun in June: 38% clear historically versus 33% (8-year ERA5 average, a 5-point gap). Both are viable — Memphis is the safer bet.
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.
Boston
MA
- Clear days, June
- 33%
- Sample size
- n=240 days
- Avg high
- 78°F
- Early June (1st–15th)
- 32%
- Late June (16th–end)
- 34%
Memphis
TN
- Clear days, June
- 38%
- Sample size
- n=240 days
- Avg high
- 88°F
- Early June (1st–15th)
- 43%
- Late June (16th–end)
- 32%
Compare Boston vs Memphis 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.