ERA5 almanac comparison — 8 years of real data
Orlando vs Scottsdale: weather in January
Essentially a tie in January: Orlando is 20% clear historically, Scottsdale is 18% clear (8-year ERA5 average) — within the noise. Avg high 69°F vs 66°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Orlando
FL
- Clear days, January
- 20%
- Sample size
- n=248 days
- Avg high
- 69°F
- Early January (1st–15th)
- 19%
- Late January (16th–end)
- 20%
- Rain frequency
- 25% of days
Scottsdale
AZ
- Clear days, January
- 18%
- Sample size
- n=248 days
- Avg high
- 66°F
- Early January (1st–15th)
- 13%
- Late January (16th–end)
- 22%
- Rain frequency
- 14% of days
Frequently asked
Is Orlando or Scottsdale warmer in January?
Orlando runs warmer by day in January. Orlando averages highs of 69°F (highs n=248 days); Scottsdale averages highs of 66°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Orlando or Scottsdale in January?
Days with measurable rain: Orlando 25%, Scottsdale 14% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in January, Orlando or Scottsdale?
Essentially a tie in January: Orlando is 20% clear historically, Scottsdale is 18% clear (8-year ERA5 average) — within the noise. Avg high 69°F vs 66°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Orlando vs Scottsdale 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.