ERA5 almanac comparison — 8 years of real data
Costa Rica — Manuel Antonio vs Naples: weather in May
Naples edges out Costa Rica — Manuel Antonio for sun in May: 28% clear historically versus 4% (8-year ERA5 average, a 24-point gap). Costa Rica — Manuel Antonio also sees measurably more rain than Naples this month (86% vs 48% of days). Both are viable — Naples is the safer bet.
Costa Rica — Manuel Antonio
Costa Rica
- Clear days, May
- 4%
- Sample size
- n=248 days
- Avg high
- 84°F
- Early May (1st–15th)
- 8%
- Late May (16th–end)
- 0%
- Rain frequency
- 86% of days
Naples
FL
- Clear days, May
- 28%
- Sample size
- n=248 days
- Avg high
- 87°F
- Early May (1st–15th)
- 34%
- Late May (16th–end)
- 23%
- Rain frequency
- 48% of days
Frequently asked
Is Costa Rica — Manuel Antonio or Naples warmer in May?
Naples runs warmer by day in May. Costa Rica — Manuel Antonio averages highs of 84°F (highs n=248 days); Naples averages highs of 87°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 May?
Costa Rica — Manuel Antonio is measurably wetter than Naples. Days with measurable rain: Costa Rica — Manuel Antonio 86%, Naples 48% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in May, Costa Rica — Manuel Antonio or Naples?
Naples edges out Costa Rica — Manuel Antonio for sun in May: 28% clear historically versus 4% (8-year ERA5 average, a 24-point gap). Costa Rica — Manuel Antonio also sees measurably more rain than Naples this month (86% vs 48% of days). 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.