ERA5 almanac comparison — 8 years of real data
Birmingham vs Jamaica: weather in April
Birmingham edges out Jamaica for sun in April: 27% clear historically versus 8% (8-year ERA5 average, a 19-point gap). Jamaica also sees measurably more rain than Birmingham this month (68% vs 34% of days). Both are viable — Birmingham 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.
Birmingham
AL
- Clear days, April
- 27%
- Sample size
- n=240 days
- Avg high
- 72°F
- Early April (1st–15th)
- 22%
- Late April (16th–end)
- 32%
- Rain frequency
- 34% of days
Jamaica
JM
- Clear days, April
- 8%
- Sample size
- n=240 days
- Avg high
- 84°F
- Early April (1st–15th)
- 10%
- Late April (16th–end)
- 7%
- Rain frequency
- 68% of days
Compare Birmingham vs Jamaica 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.