ERA5 almanac comparison — 8 years of real data
Charlotte vs Huatulco: weather in December
Huatulco is the clear winner for sun in December: 68% of days historically clear versus just 2% in Charlotte — a 66-point gap across 8 years of ERA5 data. Charlotte also sees measurably more rain than Huatulco this month (30% vs 11% of days). This isn't close.
Charlotte
NC
- Clear days, December
- 2%
- Sample size
- n=248 days
- Avg high
- 55°F
- Early December (1st–15th)
- 2%
- Late December (16th–end)
- 2%
- Rain frequency
- 30% of days
Huatulco
Mexico
- Clear days, December
- 68%
- Sample size
- n=248 days
- Avg high
- 86°F
- Early December (1st–15th)
- 67%
- Late December (16th–end)
- 68%
- Rain frequency
- 11% of days
Frequently asked
Is Charlotte or Huatulco warmer in December?
Huatulco runs warmer by day in December. Charlotte averages highs of 55°F (highs n=248 days); Huatulco averages highs of 86°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Charlotte or Huatulco in December?
Charlotte is measurably wetter than Huatulco. Days with measurable rain: Charlotte 30%, Huatulco 11% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Charlotte or Huatulco?
Huatulco is the clear winner for sun in December: 68% of days historically clear versus just 2% in Charlotte — a 66-point gap across 8 years of ERA5 data. Charlotte also sees measurably more rain than Huatulco this month (30% vs 11% of days). This isn't close.
Compare Charlotte vs Huatulco 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.