ERA5 almanac — 8 years of real data

Madrid in June

Madrid in June: 16% of days see measurable rain, 86°F average high, 67% of days historically clear (n=240, ERA5 2018–2025).

Madrid in June is a mixed month for sun: 67% of days historically clear (n=240, avg high 86°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 Madrid 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 June

Clear-sky percentage for Madrid in June, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period	% Clear days	Sample (n)	Avg high
Early June 1st–15th	59%	n=120	86°F
Late June 16th–end	75%	n=120	86°F
Full month average	67%	n=240	86°F

Sunshine & warmth in June

A second measure using actual sunshine hours (ERA5 sunshine_duration), not the daily weather code. A Lowcountry day with 12 hours of sun and a 25-minute afternoon storm is counted below as a warm, sunny day — because it was. How we define this.

Sunshine-based metrics for Madrid in June. Primary: % of days ≥ 72°F with > 6 h of sunshine.
Period	Warm & sunny (≥72°F, >6 h sun)	Sample (n)
Early June 1st–15th	84%	n=120
Late June 16th–end	97%	n=120
Full month average	90%	n=240

13.9 h median sunshine per day 96% of days exceed 8 h sunshine 16% of days see ≥ 1 mm rain — rain is not hidden

Comparison (old vs new): WMO-code “clear” bar: 67%. Sunshine-based “warm & sunny”: 90%. The 23-point gap is from brief afternoon convective storms that stamp the whole day as “rain” in the WMO code but leave the bulk of the sunshine untouched.

Bottom line

Madrid clears solidly in June: 67% of days historically (n=240), avg high 86°F. Most trips here in June will find more sun than cloud.

Every month in Madrid

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

Historical clear-sky % for Madrid, all months, ERA5 2018–2025.
Month	% Clear	Sample (n)
January	0%	n=248	All destinations →
February	0%	n=226	All destinations →
March	9%	n=248	All destinations →
April	20%	n=240	All destinations →
May	51%	n=248	All destinations →
June ← this page	67%	n=240	All destinations →
July	91%	n=248	All destinations →
August	88%	n=248	All destinations →
September	62%	n=240	All destinations →
October	38%	n=248	All destinations →
November	0%	n=240	All destinations →
December	0%	n=248	All destinations →

Frequently asked

Does it rain in Madrid in June?

Rarely. Only 16% of days in Madrid see measurable rain in June, based on 8 years of ERA5 historical data (n=240 days, 2018–2025). This is a historical average, not a forecast.

Is Madrid good for sun in June?

Yes. Madrid is historically strong for sun in June: 67% of days are clear on average (avg high 86°F, n=240 days, ERA5 2018–2025).

How Madrid compares in June

Head-to-head clear-sky comparisons against destinations travelers plausibly weigh against Madrid this month — same passport tier, similar flight distance, both sides from the same 8-year ERA5 record.

→ Madrid vs Athens in June — Athens is 69% clear historically
→ Madrid vs Rome in June — Rome is 65% clear historically
→ Madrid vs Dubrovnik in June — Dubrovnik is 62% clear historically

→ Madrid live forecast — this week’s actual 7-day weather, not historical
→ Best destinations in June — all destinations ranked by June 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.