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SunnyDays

ERA5 almanac comparison — 8 years of real data

Sea Island vs Tampa: weather in January

Tampa edges out Sea Island for sun in January: 23% clear historically versus 2% (8-year ERA5 average, a 21-point gap). Both are viable — Tampa 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 the actual forecast right now, each destination links to its live page below.

Sea Island

GA

Clear days, January
2%
Sample size
n=248 days
Avg high
60°F
Early January (1st–15th)
3%
Late January (16th–end)
2%
Rain frequency
24% of days
See the live forecast →

Tampa

FL

Clear days, January
23%
Sample size
n=248 days
Avg high
68°F
Early January (1st–15th)
25%
Late January (16th–end)
22%
Rain frequency
22% of days
See the live forecast →

Frequently asked

Is Sea Island or Tampa warmer in January?

Tampa runs warmer by day in January. Sea Island averages highs of 60°F (highs n=248 days); Tampa averages highs of 68°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Sea Island or Tampa in January?

Days with measurable rain: Sea Island 24%, Tampa 22% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in January, Sea Island or Tampa?

Tampa edges out Sea Island for sun in January: 23% clear historically versus 2% (8-year ERA5 average, a 21-point gap). Both are viable — Tampa is the safer bet.

Compare Sea Island vs Tampa 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 forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.