ERA5 almanac comparison — 8 years of real data
Houston vs Miami: weather in August
Houston edges out Miami for sun in August: 23% clear historically versus 2% (8-year ERA5 average, a 21-point gap). Miami also sees measurably more rain than Houston this month (83% vs 55% of days). Both are viable — Houston is the safer bet.
Houston
TX
- Clear days, August
- 23%
- Sample size
- n=248 days
- Avg high
- 92°F
- Early August (1st–15th)
- 22%
- Late August (16th–end)
- 23%
- Rain frequency
- 55% of days
Miami
FL
- Clear days, August
- 2%
- Sample size
- n=248 days
- Avg high
- 88°F
- Early August (1st–15th)
- 3%
- Late August (16th–end)
- 2%
- Rain frequency
- 83% of days
Frequently asked
Is Houston or Miami warmer in August?
Houston runs warmer by day in August. Houston averages highs of 92°F (highs n=248 days); Miami averages highs of 88°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Houston or Miami in August?
Miami is measurably wetter than Houston. Days with measurable rain: Houston 55%, Miami 83% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in August, Houston or Miami?
Houston edges out Miami for sun in August: 23% clear historically versus 2% (8-year ERA5 average, a 21-point gap). Miami also sees measurably more rain than Houston this month (83% vs 55% of days). Both are viable — Houston is the safer bet.
Compare Houston vs Miami 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.