ERA5 almanac comparison — 8 years of real data
Miami vs San Antonio: weather in April
San Antonio edges out Miami for sun in April: 36% clear historically versus 27% (8-year ERA5 average, a 9-point gap). Both are viable — San Antonio is the safer bet.
Miami
FL
- Clear days, April
- 27%
- Sample size
- n=240 days
- Avg high
- 82°F
- Early April (1st–15th)
- 26%
- Late April (16th–end)
- 28%
- Rain frequency
- 45% of days
San Antonio
TX
- Clear days, April
- 36%
- Sample size
- n=240 days
- Avg high
- 82°F
- Early April (1st–15th)
- 40%
- Late April (16th–end)
- 33%
- Rain frequency
- 40% of days
Frequently asked
Is Miami or San Antonio warmer in April?
Equally warm by day in April. Miami averages highs of 82°F (highs n=240 days); San Antonio averages highs of 82°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Miami or San Antonio in April?
Days with measurable rain: Miami 45%, San Antonio 40% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in April, Miami or San Antonio?
San Antonio edges out Miami for sun in April: 36% clear historically versus 27% (8-year ERA5 average, a 9-point gap). Both are viable — San Antonio is the safer bet.
Compare Miami vs San Antonio 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.