ERA5 almanac comparison — 8 years of real data
Costa Rica — Guanacaste vs Palm Beach: weather in June
Essentially a tie in June: Costa Rica — Guanacaste is 5% clear historically, Palm Beach is 7% clear (8-year ERA5 average) — within the noise. Avg high 87°F vs 86°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Costa Rica — Guanacaste
Costa Rica
- Clear days, June
- 5%
- Sample size
- n=240 days
- Avg high
- 87°F
- Early June (1st–15th)
- 1%
- Late June (16th–end)
- 9%
- Rain frequency
- 88% of days
Palm Beach
FL
- Clear days, June
- 7%
- Sample size
- n=240 days
- Avg high
- 86°F
- Early June (1st–15th)
- 6%
- Late June (16th–end)
- 8%
- Rain frequency
- 83% of days
Frequently asked
Is Costa Rica — Guanacaste or Palm Beach warmer in June?
Costa Rica — Guanacaste runs warmer by day in June. Costa Rica — Guanacaste averages highs of 87°F (highs n=240 days); Palm Beach averages highs of 86°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Costa Rica — Guanacaste or Palm Beach in June?
Days with measurable rain: Costa Rica — Guanacaste 88%, Palm Beach 83% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in June, Costa Rica — Guanacaste or Palm Beach?
Essentially a tie in June: Costa Rica — Guanacaste is 5% clear historically, Palm Beach is 7% clear (8-year ERA5 average) — within the noise. Avg high 87°F vs 86°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Costa Rica — Guanacaste vs Palm Beach 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.