ERA5 almanac comparison — 8 years of real data
Costa Rica — Manuel Antonio vs Miami: weather in March
Essentially a tie in March: Costa Rica — Manuel Antonio is 34% clear historically, Miami is 32% clear (8-year ERA5 average) — within the noise. Avg high 88°F vs 80°F. Miami also sees measurably more rain than Costa Rica — Manuel Antonio this month (36% vs 21% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.
Costa Rica — Manuel Antonio
Costa Rica
- Clear days, March
- 34%
- Sample size
- n=248 days
- Avg high
- 88°F
- Early March (1st–15th)
- 40%
- Late March (16th–end)
- 28%
- Rain frequency
- 21% of days
Miami
FL
- Clear days, March
- 32%
- Sample size
- n=248 days
- Avg high
- 80°F
- Early March (1st–15th)
- 33%
- Late March (16th–end)
- 32%
- Rain frequency
- 36% of days
Frequently asked
Is Costa Rica — Manuel Antonio or Miami warmer in March?
Costa Rica — Manuel Antonio runs warmer by day in March. Costa Rica — Manuel Antonio averages highs of 88°F (highs n=248 days); Miami averages highs of 80°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Costa Rica — Manuel Antonio or Miami in March?
Miami is measurably wetter than Costa Rica — Manuel Antonio. Days with measurable rain: Costa Rica — Manuel Antonio 21%, Miami 36% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in March, Costa Rica — Manuel Antonio or Miami?
Essentially a tie in March: Costa Rica — Manuel Antonio is 34% clear historically, Miami is 32% clear (8-year ERA5 average) — within the noise. Avg high 88°F vs 80°F. Miami also sees measurably more rain than Costa Rica — Manuel Antonio this month (36% vs 21% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Costa Rica — Manuel Antonio 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.