ERA5 almanac comparison — 8 years of real data
Charleston vs Door County: weather in August
Door County is the clear winner for sun in August: 42% of days historically clear versus just 12% in Charleston — a 30-point gap across 8 years of ERA5 data. Charleston also sees measurably more rain than Door County this month (62% vs 33% of days). This isn't close.
Charleston
SC
- Clear days, August
- 12%
- Sample size
- n=248 days
- Avg high
- 85°F
- Early August (1st–15th)
- 11%
- Late August (16th–end)
- 12%
- Rain frequency
- 62% of days
Door County
WI
- Clear days, August
- 42%
- Sample size
- n=248 days
- Avg high
- 76°F
- Early August (1st–15th)
- 45%
- Late August (16th–end)
- 39%
- Rain frequency
- 33% of days
Frequently asked
Is Charleston or Door County warmer in August?
Charleston runs warmer by day in August. Charleston averages highs of 85°F (highs n=248 days); Door County averages highs of 76°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Charleston or Door County in August?
Charleston is measurably wetter than Door County. Days with measurable rain: Charleston 62%, Door County 33% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in August, Charleston or Door County?
Door County is the clear winner for sun in August: 42% of days historically clear versus just 12% in Charleston — a 30-point gap across 8 years of ERA5 data. Charleston also sees measurably more rain than Door County this month (62% vs 33% of days). This isn't close.
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.