ERA5 almanac comparison — 8 years of real data
Carmel-by-the-Sea vs Mexico City: weather in January
Mexico City is the clear winner for sun in January: 52% of days historically clear versus just 1% in Carmel-by-the-Sea — a 51-point gap across 8 years of ERA5 data. Carmel-by-the-Sea also sees measurably more rain than Mexico City this month (28% vs 8% of days). This isn't close.
Carmel-by-the-Sea
CA
- Clear days, January
- 1%
- Sample size
- n=248 days
- Avg high
- 59°F
- Early January (1st–15th)
- 0%
- Late January (16th–end)
- 2%
- Rain frequency
- 28% of days
Mexico City
Mexico
- Clear days, January
- 52%
- Sample size
- n=248 days
- Avg high
- 73°F
- Early January (1st–15th)
- 47%
- Late January (16th–end)
- 56%
- Rain frequency
- 8% of days
Frequently asked
Is Carmel-by-the-Sea or Mexico City warmer in January?
Mexico City runs warmer by day in January. Carmel-by-the-Sea averages highs of 59°F (highs n=248 days); Mexico City averages highs of 73°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Carmel-by-the-Sea or Mexico City in January?
Carmel-by-the-Sea is measurably wetter than Mexico City. Days with measurable rain: Carmel-by-the-Sea 28%, Mexico City 8% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in January, Carmel-by-the-Sea or Mexico City?
Mexico City is the clear winner for sun in January: 52% of days historically clear versus just 1% in Carmel-by-the-Sea — a 51-point gap across 8 years of ERA5 data. Carmel-by-the-Sea also sees measurably more rain than Mexico City this month (28% vs 8% of days). This isn't close.
Compare Carmel-by-the-Sea 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.