ERA5 almanac comparison — 8 years of real data
Gulf Shores vs St. Augustine: weather in January
St. Augustine edges out Gulf Shores for sun in January: 9% clear historically versus 0% (8-year ERA5 average, a 9-point gap). Both are viable — St. Augustine is the safer bet.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific January. For this
week’s actual forecast, each destination links to its live page below.
Gulf Shores
AL
- Clear days, January
- 0%
- Sample size
- n=248 days
- Avg high
- 60°F
- Early January (1st–15th)
- 0%
- Late January (16th–end)
- 0%
- Rain frequency
- 34% of days
St. Augustine
FL
- Clear days, January
- 9%
- Sample size
- n=248 days
- Avg high
- 64°F
- Early January (1st–15th)
- 8%
- Late January (16th–end)
- 10%
- Rain frequency
- 25% of days
Compare Gulf Shores vs St. Augustine 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.