ERA5 almanac comparison — 8 years of real data
Asheville vs Puerto Vallarta: weather in January
Puerto Vallarta is the clear winner for sun in January: 86% of days historically clear versus just 0% in Asheville — a 86-point gap across 8 years of ERA5 data. Asheville also sees measurably more rain than Puerto Vallarta this month (33% vs 4% of days). This isn't close.
Asheville
NC
- Clear days, January
- 0%
- Sample size
- n=248 days
- Avg high
- 46°F
- Early January (1st–15th)
- 0%
- Late January (16th–end)
- 0%
- Rain frequency
- 33% of days
Puerto Vallarta
Mexico
- Clear days, January
- 86%
- Sample size
- n=248 days
- Avg high
- 79°F
- Early January (1st–15th)
- 86%
- Late January (16th–end)
- 86%
- Rain frequency
- 4% of days
Frequently asked
Is Asheville or Puerto Vallarta warmer in January?
Puerto Vallarta runs warmer by day in January. Asheville averages highs of 46°F (highs n=248 days); Puerto Vallarta averages highs of 79°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Asheville or Puerto Vallarta in January?
Asheville is measurably wetter than Puerto Vallarta. Days with measurable rain: Asheville 33%, Puerto Vallarta 4% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in January, Asheville or Puerto Vallarta?
Puerto Vallarta is the clear winner for sun in January: 86% of days historically clear versus just 0% in Asheville — a 86-point gap across 8 years of ERA5 data. Asheville also sees measurably more rain than Puerto Vallarta this month (33% vs 4% 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.