ERA5 almanac comparison — 8 years of real data
Belize vs Nashville: weather in December
Belize edges out Nashville for sun in December: 10% clear historically versus 0% (8-year ERA5 average, a 10-point gap). Belize also sees measurably more rain than Nashville this month (78% vs 33% of days). Both are viable — Belize is the safer bet.
Belize
Belize
- Clear days, December
- 10%
- Sample size
- n=248 days
- Avg high
- 80°F
- Early December (1st–15th)
- 4%
- Late December (16th–end)
- 15%
- Rain frequency
- 78% of days
Nashville
TN
- Clear days, December
- 0%
- Sample size
- n=248 days
- Avg high
- 54°F
- Early December (1st–15th)
- 0%
- Late December (16th–end)
- 0%
- Rain frequency
- 33% of days
Frequently asked
Is Belize or Nashville warmer in December?
Belize runs warmer by day in December. Belize averages highs of 80°F (highs n=248 days); Nashville averages highs of 54°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.
Does it rain more in Belize or Nashville in December?
Belize is measurably wetter than Nashville. Days with measurable rain: Belize 78%, Nashville 33% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.
Which is sunnier in December, Belize or Nashville?
Belize edges out Nashville for sun in December: 10% clear historically versus 0% (8-year ERA5 average, a 10-point gap). Belize also sees measurably more rain than Nashville this month (78% vs 33% of days). Both are viable — Belize is the safer bet.
Compare Belize vs Nashville 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.