ERA5 almanac — 8 years of real data

Málaga / Costa del Sol in May

Málaga / Costa del Sol in May: rain frequency data not yet backfilled for this month, 77°F average high, 67% of days historically clear (n=248, ERA5 2018–2025).

Málaga / Costa del Sol in May is a mixed month for sun: 67% of days historically clear (n=248, avg high 77°F). The outcome varies year to year — check the early/late split below. Historical average, not a forecast.

What you are reading: 8-year historical averages from the ERA5 reanalysis, not a forecast. A month that is historically 90% clear can still be overcast on your specific trip. For this week’s actual forecast, see the live Málaga / Costa del Sol page. Both can be true at once: “historically strong in this month; this particular week is not.” We label which is which.

Early vs. Late May

Clear-sky percentage for Málaga / Costa del Sol in May, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period	% Clear days	Sample (n)	Avg high
Early May 1st–15th	57%	n=120	77°F
Late May 16th–end	77%	n=128	77°F
Full month average	67%	n=248	77°F

Bottom line

Málaga / Costa del Sol clears solidly in May: 67% of days historically (n=248), avg high 77°F. The two halves differ materially (57% early, 77% late) — favour the late half of the month. Most trips here in May will find more sun than cloud.

Every month in Málaga / Costa del Sol

Compare across all months with data. Numbers are historical clear-sky %.

Historical clear-sky % for Málaga / Costa del Sol, all months, ERA5 2018–2025.
Month	% Clear	Sample (n)
January	4%	n=248	All destinations →
February	7%	n=226	All destinations →
March	14%	n=248	All destinations →
April	24%	n=240	All destinations →
May ← this page	67%	n=248	All destinations →
June	86%	n=240	All destinations →
July	95%	n=248	All destinations →
August	88%	n=248	All destinations →
September	72%	n=240	All destinations →
October	61%	n=248	All destinations →
November	20%	n=240	All destinations →
December	3%	n=248	All destinations →

Frequently asked

Is Málaga / Costa del Sol good for sun in May?

Yes. Málaga / Costa del Sol is historically strong for sun in May: 67% of days are clear on average (avg high 77°F, n=248 days, ERA5 2018–2025).

→ Málaga / Costa del Sol live forecast — this week’s actual 7-day weather, not historical
→ Best destinations in May — all destinations ranked by May clear-sky %
→ All destinations
→ Raw data (JSON) — buckets, n, source

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.