ERA5 almanac comparison — 8 years of real data
Mazatlán vs Puerto Vallarta: weather in March
Essentially a tie in March: Mazatlán is 98% clear historically, Puerto Vallarta is 99% clear (8-year ERA5 average) — within the noise. Avg high 77°F vs 80°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Mazatlán
Mexico
- Clear days, March
- 98%
- Sample size
- n=248 days
- Avg high
- 77°F
- Early March (1st–15th)
- 95%
- Late March (16th–end)
- 100%
- Rain frequency
- 0% of days
Puerto Vallarta
Mexico
- Clear days, March
- 99%
- Sample size
- n=248 days
- Avg high
- 80°F
- Early March (1st–15th)
- 98%
- Late March (16th–end)
- 99%
- Rain frequency
- 0% of days
Frequently asked
Is Mazatlán or Puerto Vallarta warmer in March?
Puerto Vallarta runs warmer by day in March. Mazatlán averages highs of 77°F (highs n=248 days); Puerto Vallarta averages highs of 80°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Mazatlán or Puerto Vallarta in March?
Days with measurable rain: Mazatlán 0%, Puerto Vallarta 0% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in March, Mazatlán or Puerto Vallarta?
Essentially a tie in March: Mazatlán is 98% clear historically, Puerto Vallarta is 99% clear (8-year ERA5 average) — within the noise. Avg high 77°F vs 80°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Mazatlán 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.