ERA5 almanac comparison — 8 years of real data
Charlotte vs Sea Island: weather in July
Charlotte edges out Sea Island for sun in July: 22% clear historically versus 14% (8-year ERA5 average, a 8-point gap). Sea Island also sees measurably more rain than Charlotte this month (64% vs 46% of days). Both are viable — Charlotte is the safer bet.
Charlotte
NC
- Clear days, July
- 22%
- Sample size
- n=248 days
- Avg high
- 90°F
- Early July (1st–15th)
- 23%
- Late July (16th–end)
- 21%
- Rain frequency
- 46% of days
Sea Island
GA
- Clear days, July
- 14%
- Sample size
- n=248 days
- Avg high
- 87°F
- Early July (1st–15th)
- 12%
- Late July (16th–end)
- 16%
- Rain frequency
- 64% of days
Frequently asked
Is Charlotte or Sea Island warmer in July?
Charlotte runs warmer by day in July. Charlotte averages highs of 90°F (highs n=248 days); Sea Island averages highs of 87°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Charlotte or Sea Island in July?
Sea Island is measurably wetter than Charlotte. Days with measurable rain: Charlotte 46%, Sea Island 64% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in July, Charlotte or Sea Island?
Charlotte edges out Sea Island for sun in July: 22% clear historically versus 14% (8-year ERA5 average, a 8-point gap). Sea Island also sees measurably more rain than Charlotte this month (64% vs 46% of days). Both are viable — Charlotte is the safer bet.
Compare Charlotte vs Sea Island 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.