ERA5 almanac comparison — 8 years of real data
Asheville vs Puerto Vallarta: weather in December
Puerto Vallarta is the clear winner for sun in December: 85% of days historically clear versus just 0% in Asheville — a 85-point gap across 8 years of ERA5 data. Asheville also sees measurably more rain than Puerto Vallarta this month (32% vs 5% of days). This isn't close.
Asheville
NC
- Clear days, December
- 0%
- Sample size
- n=248 days
- Avg high
- 51°F
- Early December (1st–15th)
- 0%
- Late December (16th–end)
- 0%
- Rain frequency
- 32% of days
Puerto Vallarta
Mexico
- Clear days, December
- 85%
- Sample size
- n=248 days
- Avg high
- 81°F
- Early December (1st–15th)
- 85%
- Late December (16th–end)
- 85%
- Rain frequency
- 5% of days
Frequently asked
Is Asheville or Puerto Vallarta warmer in December?
Puerto Vallarta runs warmer by day in December. Asheville averages highs of 51°F (highs n=248 days); Puerto Vallarta averages highs of 81°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Asheville or Puerto Vallarta in December?
Asheville is measurably wetter than Puerto Vallarta. Days with measurable rain: Asheville 32%, Puerto Vallarta 5% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Asheville or Puerto Vallarta?
Puerto Vallarta is the clear winner for sun in December: 85% of days historically clear versus just 0% in Asheville — a 85-point gap across 8 years of ERA5 data. Asheville also sees measurably more rain than Puerto Vallarta this month (32% vs 5% of days). This isn't close.
Compare Asheville vs Puerto Vallarta 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.