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SunnyDays

ERA5 almanac comparison — 8 years of real data

Hilton Head vs St. John, USVI: weather in February

Essentially a tie in February: Hilton Head is 10% clear historically, St. John, USVI is 13% clear (8-year ERA5 average) — within the noise. Avg high 64°F vs 75°F. St. John, USVI also sees measurably more rain than Hilton Head this month (49% vs 33% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.

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.

Hilton Head

SC

Clear days, February
10%
Sample size
n=226 days
Avg high
64°F
Early February (1st–15th)
6%
Late February (16th–end)
15%
Rain frequency
33% of days

St. John, USVI

VI

Clear days, February
13%
Sample size
n=226 days
Avg high
75°F
Early February (1st–15th)
8%
Late February (16th–end)
18%
Rain frequency
49% of days

Compare Hilton Head vs St. John, USVI 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.