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SunnyDays

ERA5 almanac comparison — 8 years of real data

Charleston vs Door County: weather in June

Essentially a tie in June: Charleston is 22% clear historically, Door County is 22% clear (8-year ERA5 average) — within the noise. Avg high 85°F vs 72°F. Charleston also sees measurably more rain than Door County this month (54% vs 36% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific June. For this week’s actual forecast, each destination links to its live page below.

Charleston

SC

Clear days, June
22%
Sample size
n=240 days
Avg high
85°F
Early June (1st–15th)
20%
Late June (16th–end)
23%
Rain frequency
54% of days
See this week’s live forecast →

Door County

WI

Clear days, June
22%
Sample size
n=240 days
Avg high
72°F
Early June (1st–15th)
22%
Late June (16th–end)
23%
Rain frequency
36% of days

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 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.