ERA5 almanac comparison — 8 years of real data
Bar Harbor vs Hilton Head: weather in July
Bar Harbor edges out Hilton Head for sun in July: 40% clear historically versus 15% (8-year ERA5 average, a 25-point gap). Hilton Head also sees measurably more rain than Bar Harbor this month (64% vs 33% of days). Both are viable — Bar Harbor is the safer bet.
Bar Harbor
ME
- Clear days, July
- 40%
- Sample size
- n=248 days
- Avg high
- 76°F
- Early July (1st–15th)
- 32%
- Late July (16th–end)
- 47%
- Rain frequency
- 33% of days
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
Frequently asked
Is Bar Harbor or Hilton Head warmer in July?
Hilton Head runs warmer by day in July. Bar Harbor averages highs of 76°F (highs n=248 days); Hilton Head averages highs of 88°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Bar Harbor or Hilton Head in July?
Hilton Head is measurably wetter than Bar Harbor. Days with measurable rain: Bar Harbor 33%, Hilton Head 64% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in July, Bar Harbor or Hilton Head?
Bar Harbor edges out Hilton Head for sun in July: 40% clear historically versus 15% (8-year ERA5 average, a 25-point gap). Hilton Head also sees measurably more rain than Bar Harbor this month (64% vs 33% of days). Both are viable — Bar Harbor is the safer bet.
Compare Bar Harbor vs Hilton Head 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.