ERA5 almanac — 8 years of real data

Marrakech in April

Marrakech in April: 20% of days see measurable rain, 79°F average high, 60% of days historically clear (n=240, ERA5 2018–2025).

Marrakech in April is a mixed month for sun: 60% of days historically clear (n=240, avg high 79°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 Marrakech 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 April

Clear-sky percentage for Marrakech in April, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period	% Clear days	Sample (n)	Avg high
Early April 1st–15th	60%	n=120	79°F
Late April 16th–end	59%	n=120	79°F
Full month average	60%	n=240	79°F

Sunshine & warmth in April

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 Marrakech in April. Primary: % of days ≥ 72°F with > 6 h of sunshine.
Period	Warm & sunny (≥72°F, >6 h sun)	Sample (n)
Early April 1st–15th	68%	n=120
Late April 16th–end	78%	n=120
Full month average	73%	n=240

11.9 h median sunshine per day 86% of days exceed 8 h sunshine 20% of days see ≥ 1 mm rain — rain is not hidden

Comparison (old vs new): WMO-code “clear” bar: 60%. Sunshine-based “warm & sunny”: 73%. The 13-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

Marrakech clears solidly in April: 60% of days historically (n=240), avg high 79°F. Most trips here in April will find more sun than cloud.

Every month in Marrakech

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

Historical clear-sky % for Marrakech, all months, ERA5 2018–2025.
Month	% Clear	Sample (n)
January	28%	n=248	All destinations →
February	48%	n=226	All destinations →
March	42%	n=248	All destinations →
April ← this page	60%	n=240	All destinations →
May	76%	n=248	All destinations →
June	90%	n=240	All destinations →
July	97%	n=248	All destinations →
August	98%	n=248	All destinations →
September	83%	n=240	All destinations →
October	79%	n=248	All destinations →
November	60%	n=240	All destinations →
December	37%	n=248	All destinations →

Frequently asked

Does it rain in Marrakech in April?

Sometimes. Marrakech sees measurable rain on 20% of days in April historically (n=240 days, ERA5 2018–2025) — not frequent enough to plan around, but not negligible either.

Is Marrakech good for sun in April?

Yes. Marrakech is historically strong for sun in April: 60% of days are clear on average (avg high 79°F, n=240 days, ERA5 2018–2025).

How Marrakech compares in April

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

→ Marrakech vs Mallorca in April — Mallorca is 16% clear historically

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