ERA5 almanac comparison — 8 years of real data
Dubrovnik vs Mallorca: weather in December
Essentially a tie in December: Dubrovnik is 0% clear historically, Mallorca is 1% clear (8-year ERA5 average) — within the noise. Avg high 56°F vs 62°F. Dubrovnik also sees measurably more rain than Mallorca this month (46% vs 21% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.
Dubrovnik
HR
- Clear days, December
- 0%
- Sample size
- n=248 days
- Avg high
- 56°F
- Early December (1st–15th)
- 0%
- Late December (16th–end)
- 0%
- Rain frequency
- 46% of days
Mallorca
ES
- Clear days, December
- 1%
- Sample size
- n=248 days
- Avg high
- 62°F
- Early December (1st–15th)
- 0%
- Late December (16th–end)
- 1%
- Rain frequency
- 21% of days
Compare Dubrovnik vs Mallorca 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 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.