ERA5 almanac comparison — 8 years of real data
Antigua vs St. Barthélemy: weather in April
St. Barthélemy edges out Antigua for sun in April: 22% clear historically versus 8% (8-year ERA5 average, a 14-point gap). Antigua also sees measurably more rain than St. Barthélemy this month (60% vs 37% of days). Both are viable — St. Barthélemy is the safer bet.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific April. For this
week’s actual forecast, each destination links to its live page below.
Antigua
AG
- Clear days, April
- 8%
- Sample size
- n=240 days
- Avg high
- 82°F
- Early April (1st–15th)
- 11%
- Late April (16th–end)
- 6%
- Rain frequency
- 60% of days
St. Barthélemy
BL
- Clear days, April
- 22%
- Sample size
- n=240 days
- Avg high
- 79°F
- Early April (1st–15th)
- 27%
- Late April (16th–end)
- 17%
- Rain frequency
- 37% of days
Compare Antigua vs St. Barthélemy 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.