ERA5 almanac comparison — 8 years of real data
Costa Rica — Manuel Antonio vs Naples: weather in March
Naples edges out Costa Rica — Manuel Antonio for sun in March: 48% clear historically versus 34% (8-year ERA5 average, a 14-point gap). Both are viable — Naples is the safer bet.
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
Naples
FL
- Clear days, March
- 48%
- Sample size
- n=248 days
- Avg high
- 81°F
- Early March (1st–15th)
- 48%
- Late March (16th–end)
- 48%
- Rain frequency
- 21% of days
Frequently asked
Is Costa Rica — Manuel Antonio or Naples 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); Naples averages highs of 81°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Costa Rica — Manuel Antonio or Naples in March?
Days with measurable rain: Costa Rica — Manuel Antonio 21%, Naples 21% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in March, Costa Rica — Manuel Antonio or Naples?
Naples edges out Costa Rica — Manuel Antonio for sun in March: 48% clear historically versus 34% (8-year ERA5 average, a 14-point gap). Both are viable — Naples is the safer bet.
Compare Costa Rica — Manuel Antonio vs Naples 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.