ERA5 almanac comparison — 8 years of real data
Orlando vs San Antonio: weather in August
San Antonio is the clear winner for sun in August: 45% of days historically clear versus just 3% in Orlando — a 42-point gap across 8 years of ERA5 data. Orlando also sees measurably more rain than San Antonio this month (86% vs 24% of days). This isn't close.
Orlando
FL
- Clear days, August
- 3%
- Sample size
- n=248 days
- Avg high
- 88°F
- Early August (1st–15th)
- 2%
- Late August (16th–end)
- 3%
- Rain frequency
- 86% of days
San Antonio
TX
- Clear days, August
- 45%
- Sample size
- n=248 days
- Avg high
- 97°F
- Early August (1st–15th)
- 51%
- Late August (16th–end)
- 39%
- Rain frequency
- 24% of days
Frequently asked
Is Orlando or San Antonio warmer in August?
San Antonio runs warmer by day in August. Orlando averages highs of 88°F (highs n=248 days); San Antonio averages highs of 97°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Orlando or San Antonio in August?
Orlando is measurably wetter than San Antonio. Days with measurable rain: Orlando 86%, San Antonio 24% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in August, Orlando or San Antonio?
San Antonio is the clear winner for sun in August: 45% of days historically clear versus just 3% in Orlando — a 42-point gap across 8 years of ERA5 data. Orlando also sees measurably more rain than San Antonio this month (86% vs 24% of days). This isn't close.
Compare Orlando 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.