ERA5 almanac comparison — 8 years of real data
Door County vs Kiawah Island: weather in August
Door County is the clear winner for sun in August: 42% of days historically clear versus just 10% in Kiawah Island — a 32-point gap across 8 years of ERA5 data. Kiawah Island also sees measurably more rain than Door County this month (64% vs 33% of days). This isn't close.
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
Kiawah Island
SC
- Clear days, August
- 10%
- Sample size
- n=248 days
- Avg high
- 85°F
- Early August (1st–15th)
- 8%
- Late August (16th–end)
- 12%
- Rain frequency
- 64% of days
Frequently asked
Is Door County or Kiawah Island warmer in August?
Kiawah Island runs warmer by day in August. Door County averages highs of 76°F (highs n=248 days); Kiawah Island averages highs of 85°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Door County or Kiawah Island in August?
Kiawah Island is measurably wetter than Door County. Days with measurable rain: Door County 33%, Kiawah Island 64% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in August, Door County or Kiawah Island?
Door County is the clear winner for sun in August: 42% of days historically clear versus just 10% in Kiawah Island — a 32-point gap across 8 years of ERA5 data. Kiawah Island also sees measurably more rain than Door County this month (64% vs 33% of days). This isn't close.
Compare Door County vs Kiawah 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.