ERA5 almanac comparison — 8 years of real data
Amelia Island vs Mexico City: weather in December
Mexico City is the clear winner for sun in December: 50% of days historically clear versus just 12% in Amelia Island — a 38-point gap across 8 years of ERA5 data. Amelia Island also sees measurably more rain than Mexico City this month (26% vs 6% of days). This isn't close.
Amelia Island
FL
- Clear days, December
- 12%
- Sample size
- n=248 days
- Avg high
- 65°F
- Early December (1st–15th)
- 12%
- Late December (16th–end)
- 12%
- Rain frequency
- 26% of days
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
Frequently asked
Is Amelia Island or Mexico City warmer in December?
Mexico City runs warmer by day in December. Amelia Island averages highs of 65°F (highs n=248 days); Mexico City averages highs of 72°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Amelia Island or Mexico City in December?
Amelia Island is measurably wetter than Mexico City. Days with measurable rain: Amelia Island 26%, Mexico City 6% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Amelia Island or Mexico City?
Mexico City is the clear winner for sun in December: 50% of days historically clear versus just 12% in Amelia Island — a 38-point gap across 8 years of ERA5 data. Amelia Island also sees measurably more rain than Mexico City this month (26% vs 6% of days). This isn't close.
Compare Amelia Island vs Mexico City 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.