ERA5 almanac comparison — 8 years of real data
Door County vs Kiawah Island: weather in April
Kiawah Island is the clear winner for sun in April: 41% of days historically clear versus just 0% in Door County — a 41-point gap across 8 years of ERA5 data. This isn't close.
Door County
WI
- Clear days, April
- 0%
- Sample size
- n=240 days
- Avg high
- 48°F
- Early April (1st–15th)
- 1%
- Late April (16th–end)
- 0%
- Rain frequency
- 37% of days
Kiawah Island
SC
- Clear days, April
- 41%
- Sample size
- n=240 days
- Avg high
- 74°F
- Early April (1st–15th)
- 35%
- Late April (16th–end)
- 47%
- Rain frequency
- 26% of days
Frequently asked
Is Door County or Kiawah Island warmer in April?
Kiawah Island runs warmer by day in April. Door County averages highs of 48°F (highs n=240 days); Kiawah Island averages highs of 74°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Door County or Kiawah Island in April?
Days with measurable rain: Door County 37%, Kiawah Island 26% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in April, Door County or Kiawah Island?
Kiawah Island is the clear winner for sun in April: 41% of days historically clear versus just 0% in Door County — a 41-point gap across 8 years of ERA5 data. 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.