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SunnyDays

ERA5 almanac comparison — 8 years of real data

30A / Seaside vs Costa Rica — Guanacaste: weather in February

Costa Rica — Guanacaste is the clear winner for sun in February: 84% of days historically clear versus just 5% in 30A / Seaside — a 79-point gap across 8 years of ERA5 data. This isn't close.

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.

30A / Seaside

FL

Clear days, February
5%
Sample size
n=226 days
Avg high
66°F
Early February (1st–15th)
2%
Late February (16th–end)
8%

Costa Rica — Guanacaste

CR

Clear days, February
84%
Sample size
n=226 days
Avg high
93°F
Early February (1st–15th)
84%
Late February (16th–end)
84%

Compare 30A / Seaside vs Costa Rica — Guanacaste 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.