ERA5 almanac comparison — 8 years of real data
Key West vs Savannah: weather in April
Essentially a tie in April: Key West is 44% clear historically, Savannah is 44% clear (8-year ERA5 average) — within the noise. Avg high 78°F vs 77°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Key West
FL
- Clear days, April
- 44%
- Sample size
- n=240 days
- Avg high
- 78°F
- Early April (1st–15th)
- 51%
- Late April (16th–end)
- 38%
- Rain frequency
- 21% of days
Savannah
GA
- Clear days, April
- 44%
- Sample size
- n=240 days
- Avg high
- 77°F
- Early April (1st–15th)
- 35%
- Late April (16th–end)
- 52%
- Rain frequency
- 27% of days
Frequently asked
Is Key West or Savannah warmer in April?
Key West runs warmer by day in April. Key West averages highs of 78°F (highs n=240 days); Savannah averages highs of 77°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Key West or Savannah in April?
Days with measurable rain: Key West 21%, Savannah 27% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in April, Key West or Savannah?
Essentially a tie in April: Key West is 44% clear historically, Savannah is 44% clear (8-year ERA5 average) — within the noise. Avg high 78°F vs 77°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Key West 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 forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.