ERA5 almanac comparison — 8 years of real data
Carmel-by-the-Sea vs Leavenworth: weather in December
Essentially a tie in December: Carmel-by-the-Sea is 1% clear historically, Leavenworth is 0% clear (8-year ERA5 average) — within the noise. Avg high 58°F vs 39°F. Leavenworth also sees measurably more rain than Carmel-by-the-Sea this month (57% vs 37% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.
Carmel-by-the-Sea
CA
- Clear days, December
- 1%
- Sample size
- n=248 days
- Avg high
- 58°F
- Early December (1st–15th)
- 2%
- Late December (16th–end)
- 0%
- Rain frequency
- 37% of days
Leavenworth
WA
- Clear days, December
- 0%
- Sample size
- n=248 days
- Avg high
- 39°F
- Early December (1st–15th)
- 0%
- Late December (16th–end)
- 0%
- Rain frequency
- 57% of days
Frequently asked
Is Carmel-by-the-Sea or Leavenworth warmer in December?
Carmel-by-the-Sea runs warmer by day in December. Carmel-by-the-Sea averages highs of 58°F (highs n=248 days); Leavenworth averages highs of 39°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Carmel-by-the-Sea or Leavenworth in December?
Leavenworth is measurably wetter than Carmel-by-the-Sea. Days with measurable rain: Carmel-by-the-Sea 37%, Leavenworth 57% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Carmel-by-the-Sea or Leavenworth?
Essentially a tie in December: Carmel-by-the-Sea is 1% clear historically, Leavenworth is 0% clear (8-year ERA5 average) — within the noise. Avg high 58°F vs 39°F. Leavenworth also sees measurably more rain than Carmel-by-the-Sea this month (57% vs 37% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.
Compare Carmel-by-the-Sea vs Leavenworth 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.