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SunnyDays

ERA5 almanac comparison — 8 years of real data

Kiawah Island vs The Hamptons: weather in April

Kiawah Island is the clear winner for sun in April: 41% of days historically clear versus just 0% in The Hamptons — a 41-point gap across 8 years of ERA5 data. This isn't close.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific April. For the actual forecast right now, each destination links to its live page below.

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
See the live forecast →

The Hamptons

NY

Clear days, April
0%
Sample size
n=240 days
Avg high
54°F
Early April (1st–15th)
0%
Late April (16th–end)
0%
Rain frequency
36% of days

Frequently asked

Is Kiawah Island or The Hamptons warmer in April?

Kiawah Island runs warmer by day in April. Kiawah Island averages highs of 74°F (highs n=240 days); The Hamptons averages highs of 54°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Kiawah Island or The Hamptons in April?

Days with measurable rain: Kiawah Island 26%, The Hamptons 36% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in April, Kiawah Island or The Hamptons?

Kiawah Island is the clear winner for sun in April: 41% of days historically clear versus just 0% in The Hamptons — a 41-point gap across 8 years of ERA5 data. This isn't close.

Compare Kiawah Island vs The Hamptons 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.