ERA5 almanac comparison — 8 years of real data
Barbados vs Savannah: weather in March
Savannah edges out Barbados for sun in March: 25% clear historically versus 16% (8-year ERA5 average, a 9-point gap). Barbados also sees measurably more rain than Savannah this month (47% vs 30% of days). Both are viable — Savannah is the safer bet.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific March. For this
week’s actual forecast, each destination links to its live page below.
Barbados
BB
- Clear days, March
- 16%
- Sample size
- n=248 days
- Avg high
- 81°F
- Early March (1st–15th)
- 17%
- Late March (16th–end)
- 16%
- Rain frequency
- 47% of days
Savannah
GA
- Clear days, March
- 25%
- Sample size
- n=248 days
- Avg high
- 72°F
- Early March (1st–15th)
- 19%
- Late March (16th–end)
- 30%
- Rain frequency
- 30% of days
Compare Barbados vs Savannah 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.