ERA5 almanac comparison — 8 years of real data
Houston vs Puerto Rico: weather in June
Essentially a tie in June: Houston is 19% clear historically, Puerto Rico is 15% clear (8-year ERA5 average) — within the noise. Avg high 90°F vs 88°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Houston
TX
- Clear days, June
- 19%
- Sample size
- n=240 days
- Avg high
- 90°F
- Early June (1st–15th)
- 22%
- Late June (16th–end)
- 16%
- Rain frequency
- 55% of days
Puerto Rico
PR
- Clear days, June
- 15%
- Sample size
- n=240 days
- Avg high
- 88°F
- Early June (1st–15th)
- 22%
- Late June (16th–end)
- 8%
- Rain frequency
- 58% of days
Frequently asked
Is Houston or Puerto Rico warmer in June?
Houston runs warmer by day in June. Houston averages highs of 90°F (highs n=240 days); Puerto Rico averages highs of 88°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Houston or Puerto Rico in June?
Days with measurable rain: Houston 55%, Puerto Rico 58% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in June, Houston or Puerto Rico?
Essentially a tie in June: Houston is 19% clear historically, Puerto Rico is 15% clear (8-year ERA5 average) — within the noise. Avg high 90°F vs 88°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Houston vs Puerto Rico 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.