ERA5 almanac comparison — 8 years of real data
Oaxaca vs Puerto Vallarta: weather in June
Puerto Vallarta edges out Oaxaca for sun in June: 38% clear historically versus 16% (8-year ERA5 average, a 22-point gap). Oaxaca also sees measurably more rain than Puerto Vallarta this month (68% vs 43% of days). Both are viable — Puerto Vallarta 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.
Oaxaca
MX
- Clear days, June
- 16%
- Sample size
- n=240 days
- Avg high
- 80°F
- Early June (1st–15th)
- 20%
- Late June (16th–end)
- 12%
- Rain frequency
- 68% of days
Puerto Vallarta
MX
- Clear days, June
- 38%
- Sample size
- n=240 days
- Avg high
- 86°F
- Early June (1st–15th)
- 46%
- Late June (16th–end)
- 29%
- Rain frequency
- 43% of days
Compare Oaxaca vs Puerto Vallarta 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.