ERA5 almanac comparison — 8 years of real data
Hilton Head vs Hudson Valley: weather in July
Hudson Valley edges out Hilton Head for sun in July: 33% clear historically versus 15% (8-year ERA5 average, a 18-point gap). Hilton Head also sees measurably more rain than Hudson Valley this month (64% vs 43% of days). Both are viable — Hudson Valley is the safer bet.
Hilton Head
SC
- Clear days, July
- 15%
- Sample size
- n=248 days
- Avg high
- 88°F
- Early July (1st–15th)
- 13%
- Late July (16th–end)
- 16%
- Rain frequency
- 64% of days
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
Frequently asked
Is Hilton Head or Hudson Valley warmer in July?
Hilton Head runs warmer by day in July. Hilton Head averages highs of 88°F (highs n=248 days); Hudson Valley averages highs of 85°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Hilton Head or Hudson Valley in July?
Hilton Head is measurably wetter than Hudson Valley. Days with measurable rain: Hilton Head 64%, Hudson Valley 43% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in July, Hilton Head or Hudson Valley?
Hudson Valley edges out Hilton Head for sun in July: 33% clear historically versus 15% (8-year ERA5 average, a 18-point gap). Hilton Head also sees measurably more rain than Hudson Valley this month (64% vs 43% of days). Both are viable — Hudson Valley is the safer bet.
Compare Hilton Head vs Hudson Valley 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.