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SunnyDays

ERA5 almanac — 8 years of real data

Amelia Island in April

Amelia Island in April is a mixed month for sun: 46% of days historically clear (n=240, avg high 76°F). The outcome varies year to year — check the early/late split below. Historical average, not a forecast.

What you are reading: 8-year historical averages from the ERA5 reanalysis, not a forecast. A month that is historically 90% clear can still be overcast on your specific trip. For this week’s actual forecast, see the live Amelia Island page. Both can be true at once: “historically strong in this month; this particular week is not.” We label which is which.

Early vs. Late April

Clear-sky percentage for Amelia Island in April, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period % Clear days Sample (n) Avg high
Early April
1st–15th		 36% n=120 76°F
Late April
16th–end		 55% n=120 76°F
Full month average 46% n=240 76°F

Bottom line

Amelia Island in April is genuinely mixed: 46% of days historically clear (n=240), avg high 76°F — roughly even odds. The outcome varies year to year; don't book if you need guaranteed sun.

Every month in Amelia Island

Compare across all months with data. Numbers are historical clear-sky %.

Historical clear-sky % for Amelia Island, all months, ERA5 2018–2025.
Month % Clear Sample (n)
January 7% n=248 All destinations →
February 22% n=226 All destinations →
March 25% n=248 All destinations →
April ← this page 46% n=240 All destinations →
May 38% n=248 All destinations →
June 18% n=240 All destinations →
July 10% n=248 All destinations →
August 9% n=248 All destinations →
September 22% n=240 All destinations →
October 34% n=248 All destinations →
November 20% n=240 All destinations →
December 12% n=248 All destinations →

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.