ERA5 almanac comparison — 8 years of real data
Outer Banks vs Tulum: weather in August
Outer Banks edges out Tulum for sun in August: 35% clear historically versus 8% (8-year ERA5 average, a 27-point gap). Tulum also sees measurably more rain than Outer Banks this month (68% vs 44% of days). Both are viable — Outer Banks is the safer bet.
Outer Banks
NC
- Clear days, August
- 35%
- Sample size
- n=248 days
- Avg high
- 81°F
- Early August (1st–15th)
- 30%
- Late August (16th–end)
- 39%
- Rain frequency
- 44% of days
Tulum
Mexico
- Clear days, August
- 8%
- Sample size
- n=248 days
- Avg high
- 88°F
- Early August (1st–15th)
- 7%
- Late August (16th–end)
- 9%
- Rain frequency
- 68% of days
Frequently asked
Is Outer Banks or Tulum warmer in August?
Tulum runs warmer by day in August. Outer Banks averages highs of 81°F (highs n=248 days); Tulum averages highs of 88°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Outer Banks or Tulum in August?
Tulum is measurably wetter than Outer Banks. Days with measurable rain: Outer Banks 44%, Tulum 68% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in August, Outer Banks or Tulum?
Outer Banks edges out Tulum for sun in August: 35% clear historically versus 8% (8-year ERA5 average, a 27-point gap). Tulum also sees measurably more rain than Outer Banks this month (68% vs 44% of days). Both are viable — Outer Banks is the safer bet.
Compare Outer Banks vs Tulum 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.