ERA5 almanac comparison — 8 years of real data
Mérida vs Outer Banks: weather in May
Mérida is the clear winner for sun in May: 47% of days historically clear versus just 16% in Outer Banks — a 31-point gap across 8 years of ERA5 data. Outer Banks also sees measurably more rain than Mérida this month (35% vs 19% of days). This isn't close.
Mérida
Mexico
- Clear days, May
- 47%
- Sample size
- n=248 days
- Avg high
- 97°F
- Early May (1st–15th)
- 62%
- Late May (16th–end)
- 33%
- Rain frequency
- 19% of days
Outer Banks
NC
- Clear days, May
- 16%
- Sample size
- n=248 days
- Avg high
- 70°F
- Early May (1st–15th)
- 5%
- Late May (16th–end)
- 27%
- Rain frequency
- 35% of days
Frequently asked
Is Mérida or Outer Banks warmer in May?
Mérida runs warmer by day in May. Mérida averages highs of 97°F (highs n=248 days); Outer Banks averages highs of 70°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Mérida or Outer Banks in May?
Outer Banks is measurably wetter than Mérida. Days with measurable rain: Mérida 19%, Outer Banks 35% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in May, Mérida or Outer Banks?
Mérida is the clear winner for sun in May: 47% of days historically clear versus just 16% in Outer Banks — a 31-point gap across 8 years of ERA5 data. Outer Banks also sees measurably more rain than Mérida this month (35% vs 19% of days). This isn't close.
Compare Mérida vs Outer Banks 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.