ERA5 almanac comparison — 8 years of real data
Mexico City vs Sedona: weather in December
Mexico City is the clear winner for sun in December: 50% of days historically clear versus just 0% in Sedona — a 50-point gap across 8 years of ERA5 data. This isn't close.
Mexico City
Mexico
- Clear days, December
- 50%
- Sample size
- n=248 days
- Avg high
- 72°F
- Early December (1st–15th)
- 60%
- Late December (16th–end)
- 40%
- Rain frequency
- 6% of days
Sedona
AZ
- Clear days, December
- 0%
- Sample size
- n=248 days
- Avg high
- 54°F
- Early December (1st–15th)
- 0%
- Late December (16th–end)
- 0%
- Rain frequency
- 17% of days
Frequently asked
Is Mexico City or Sedona warmer in December?
Mexico City runs warmer by day in December. Mexico City averages highs of 72°F (highs n=248 days); Sedona averages highs of 54°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Mexico City or Sedona in December?
Days with measurable rain: Mexico City 6%, Sedona 17% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Mexico City or Sedona?
Mexico City is the clear winner for sun in December: 50% of days historically clear versus just 0% in Sedona — a 50-point gap across 8 years of ERA5 data. This isn't close.
Compare Mexico City vs Sedona 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.