ERA5 almanac comparison — 8 years of real data
Barbados vs Puerto Rico: weather in August
Puerto Rico edges out Barbados for sun in August: 8% clear historically versus 3% (8-year ERA5 average, a 5-point gap). Barbados also sees measurably more rain than Puerto Rico this month (80% vs 64% of days). Both are viable — Puerto Rico is the safer bet.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific August. For this
week’s actual forecast, each destination links to its live page below.
Barbados
BB
- Clear days, August
- 3%
- Sample size
- n=248 days
- Avg high
- 83°F
- Early August (1st–15th)
- 2%
- Late August (16th–end)
- 3%
- Rain frequency
- 80% of days
Puerto Rico
PR
- Clear days, August
- 8%
- Sample size
- n=248 days
- Avg high
- 88°F
- Early August (1st–15th)
- 11%
- Late August (16th–end)
- 5%
- Rain frequency
- 64% of days
Compare Barbados vs Puerto Rico 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.