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SunnyDays

ERA5 almanac comparison — 8 years of real data

Hudson Valley vs Kiawah Island: weather in July

Hudson Valley edges out Kiawah Island for sun in July: 33% clear historically versus 7% (8-year ERA5 average, a 26-point gap). Kiawah Island also sees measurably more rain than Hudson Valley this month (70% vs 43% of days). Both are viable — Hudson Valley is the safer bet.

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.

Hudson Valley

NY

Clear days, July
33%
Sample size
n=248 days
Avg high
85°F
Early July (1st–15th)
32%
Late July (16th–end)
34%
Rain frequency
43% 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 Hudson Valley or Kiawah Island warmer in July?

Kiawah Island runs warmer by day in July. Hudson Valley averages highs of 85°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 Hudson Valley or Kiawah Island in July?

Kiawah Island is measurably wetter than Hudson Valley. Days with measurable rain: Hudson Valley 43%, Kiawah Island 70% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in July, Hudson Valley or Kiawah Island?

Hudson Valley edges out Kiawah Island for sun in July: 33% clear historically versus 7% (8-year ERA5 average, a 26-point gap). Kiawah Island also sees measurably more rain than Hudson Valley this month (70% vs 43% of days). Both are viable — Hudson Valley is the safer bet.

Compare Hudson Valley 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.