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SunnyDays

ERA5 almanac comparison — 8 years of real data

Aruba vs Costa Rica — Manuel Antonio: weather in February

Costa Rica — Manuel Antonio edges out Aruba for sun in February: 51% clear historically versus 22% (8-year ERA5 average, a 29-point gap). Aruba also sees measurably more rain than Costa Rica — Manuel Antonio this month (42% vs 21% of days). Both are viable — Costa Rica — Manuel Antonio is the safer bet.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific February. For this week’s actual forecast, each destination links to its live page below.

Aruba

AW

Clear days, February
22%
Sample size
n=226 days
Avg high
84°F
Early February (1st–15th)
19%
Late February (16th–end)
25%
Rain frequency
42% of days

Costa Rica — Manuel Antonio

CR

Clear days, February
51%
Sample size
n=226 days
Avg high
86°F
Early February (1st–15th)
52%
Late February (16th–end)
49%
Rain frequency
21% of days

Compare Aruba vs Costa Rica — Manuel Antonio 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 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.