ERA5 almanac comparison — 8 years of real data
Mexico City vs Tucson: weather in April
Tucson is the clear winner for sun in April: 88% of days historically clear versus just 51% in Mexico City — a 37-point gap across 8 years of ERA5 data. Mexico City also sees measurably more rain than Tucson this month (24% vs 3% of days). This isn't close.
Mexico City
Mexico
- Clear days, April
- 51%
- Sample size
- n=240 days
- Avg high
- 82°F
- Early April (1st–15th)
- 58%
- Late April (16th–end)
- 44%
- Rain frequency
- 24% of days
Tucson
AZ
- Clear days, April
- 88%
- Sample size
- n=240 days
- Avg high
- 85°F
- Early April (1st–15th)
- 83%
- Late April (16th–end)
- 93%
- Rain frequency
- 3% of days
Frequently asked
Is Mexico City or Tucson warmer in April?
Tucson runs warmer by day in April. Mexico City averages highs of 82°F (highs n=240 days); Tucson averages highs of 85°F (highs n=240 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Mexico City or Tucson in April?
Mexico City is measurably wetter than Tucson. Days with measurable rain: Mexico City 24%, Tucson 3% (n=240 and n=240 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in April, Mexico City or Tucson?
Tucson is the clear winner for sun in April: 88% of days historically clear versus just 51% in Mexico City — a 37-point gap across 8 years of ERA5 data. Mexico City also sees measurably more rain than Tucson this month (24% vs 3% of days). This isn't close.
Compare Mexico City vs Tucson 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.