ERA5 almanac comparison — 8 years of real data
Charleston vs Door County: weather in July
Door County edges out Charleston for sun in July: 40% clear historically versus 12% (8-year ERA5 average, a 28-point gap). Charleston also sees measurably more rain than Door County this month (61% vs 29% of days). Both are viable — Door County is the safer bet.
Charleston
SC
- Clear days, July
- 12%
- Sample size
- n=248 days
- Avg high
- 88°F
- Early July (1st–15th)
- 11%
- Late July (16th–end)
- 13%
- Rain frequency
- 61% of days
Door County
WI
- Clear days, July
- 40%
- Sample size
- n=248 days
- Avg high
- 77°F
- Early July (1st–15th)
- 45%
- Late July (16th–end)
- 36%
- Rain frequency
- 29% of days
Frequently asked
Is Charleston or Door County warmer in July?
Charleston runs warmer by day in July. Charleston averages highs of 88°F (highs n=248 days); Door County averages highs of 77°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Charleston or Door County in July?
Charleston is measurably wetter than Door County. Days with measurable rain: Charleston 61%, Door County 29% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in July, Charleston or Door County?
Door County edges out Charleston for sun in July: 40% clear historically versus 12% (8-year ERA5 average, a 28-point gap). Charleston also sees measurably more rain than Door County this month (61% vs 29% of days). Both are viable — Door County is the safer bet.
Compare Charleston vs Door County 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.