Skip to main content
SunnyDays

ERA5 almanac comparison — 8 years of real data

Door County vs Kiawah Island: weather in July

Door County is the clear winner for sun in July: 40% of days historically clear versus just 7% in Kiawah Island — a 33-point gap across 8 years of ERA5 data. Kiawah Island also sees measurably more rain than Door County this month (70% vs 29% of days). This isn't close.

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

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

Kiawah Island

SC

Clear days, July
7%
Sample size
n=248 days
Avg high
87°F
Early July (1st–15th)
8%
Late July (16th–end)
7%
Rain frequency
70% of days
See the live forecast →

Frequently asked

Is Door County or Kiawah Island warmer in July?

Kiawah Island runs warmer by day in July. Door County averages highs of 77°F (highs n=248 days); Kiawah Island averages highs of 87°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Door County or Kiawah Island in July?

Kiawah Island is measurably wetter than Door County. Days with measurable rain: Door County 29%, Kiawah Island 70% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in July, Door County or Kiawah Island?

Door County is the clear winner for sun in July: 40% of days historically clear versus just 7% in Kiawah Island — a 33-point gap across 8 years of ERA5 data. Kiawah Island also sees measurably more rain than Door County this month (70% vs 29% 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.