ERA5 almanac comparison — 8 years of real data
Marrakech vs Seville: weather in May
Essentially a tie in May: Marrakech is 76% clear historically, Seville is 74% clear (8-year ERA5 average) — within the noise. Avg high 87°F vs 84°F. Pick based on flight time or price, not weather — the weather won't decide this one for you.
What you are reading: 8-year historical averages, not a forecast.
Either destination can still surprise you this specific May. For this
week’s actual forecast, each destination links to its live page below.
Marrakech
MA
- Clear days, May
- 76%
- Sample size
- n=248 days
- Avg high
- 87°F
- Early May (1st–15th)
- 78%
- Late May (16th–end)
- 74%
Seville
ES
- Clear days, May
- 74%
- Sample size
- n=248 days
- Avg high
- 84°F
- Early May (1st–15th)
- 71%
- Late May (16th–end)
- 76%
Compare Marrakech vs Seville 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.