ERA5 almanac comparison — 8 years of real data
Costa Rica — Guanacaste vs Palm Beach: weather in April
Essentially a tie in April: Costa Rica — Guanacaste is 33% clear historically, Palm Beach is 32% clear (8-year ERA5 average) — within the noise. Avg high 96°F vs 81°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, April
- 33%
- Sample size
- n=240 days
- Avg high
- 96°F
- Early April (1st–15th)
- 42%
- Late April (16th–end)
- 24%
- Rain frequency
- 40% of days
Palm Beach
FL
- Clear days, April
- 32%
- Sample size
- n=240 days
- Avg high
- 81°F
- Early April (1st–15th)
- 30%
- Late April (16th–end)
- 34%
- Rain frequency
- 44% of days
Frequently asked
Is Costa Rica — Guanacaste or Palm Beach warmer in April?
Costa Rica — Guanacaste runs warmer by day in April. Costa Rica — Guanacaste averages highs of 96°F (highs n=240 days); Palm Beach averages highs of 81°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 April?
Days with measurable rain: Costa Rica — Guanacaste 40%, Palm Beach 44% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in April, Costa Rica — Guanacaste or Palm Beach?
Essentially a tie in April: Costa Rica — Guanacaste is 33% clear historically, Palm Beach is 32% clear (8-year ERA5 average) — within the noise. Avg high 96°F vs 81°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.