Casablanca records about 427mm of rain across roughly 56 wet days a year, which is a 15% chance on an average day. December is the wettest month at 72mm (17% of the annual total) and July the driest at 1mm. Local rain type: steady rain. Casablanca has a classic Mediterranean-Atlantic climate — dry summers and wet winters. The coastal location moderates temperatures year-round.
Chance of rain on an average day: 15%
Rainfall climatology for Casablanca. The live hour-by-hour answer for today loads at the top of this page from Open-Meteo and refreshes through the day — the figures below describe a typical year, not today.
Last updated: · Live forecast data refreshes hourly.
| Annual rainfall | 427mm |
| Rain days per year | 56 |
| Odds on an average day | 15% |
| Wettest month | December — 72mm over 10 days |
| Driest month | July — 1mm over 1 days |
| Rain type | steady rain |
| Best dry window | May through September offers reliably dry weather with Atlantic breezes keeping temperatures comfortable. |
| Worst rain window | November through February brings most of the year's rainfall as Atlantic storms. |
December delivers 7100% more rain than July (72mm vs 1mm). That gap is the difference between planning around showers and ignoring them.
No single month holds more than 17% of the annual total, so rain in Casablanca is spread through the year — there is no season you can rely on being dry.
Casablanca rain typically comes as discrete showers, so a compact umbrella and a flexible plan are usually enough.
Rain falls on about 10 days in December against 1 in July — the frequency swing matters more for planning than the millimetre totals.
Climate normals. Use them to judge whether today's live forecast at the top of the page is typical or unusual for the season.
| Month | Rainfall | Rain days | Chance on a given day | Highs |
|---|---|---|---|---|
| January | 62mm | 8 | 27% | 17°C |
| February | 53mm | 7 | 23% | 17°C |
| March | 52mm | 7 | 23% | 19°C |
| April | 42mm | 6 | 20% | 21°C |
| May | 19mm | 3 | 10% | 24°C |
| June | 4mm | 1 | 3% | 26°C |
| July | 1mm | 1 | 3% | 28°C |
| August | 1mm | 1 | 3% | 28°C |
| September | 6mm | 1 | 3% | 26°C |
| October | 40mm | 5 | 17% | 24°C |
| November | 67mm | 9 | 30% | 21°C |
| December | 72mm | 10 | 33% | 19°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For Casablanca we combine the hourly probability curve, expected volume in millimetres, and the city's own rainfall record into a single umbrella verdict.
| Factor | Weight | What it measures |
|---|---|---|
| Hourly probability | 40% | Peak and sustained chance of measurable rain across the next 24 hours. |
| Expected volume | 30% | Total millimetres, which separates a passing shower from a genuine soaking. |
| Timing & duration | 20% | When rain starts, when it eases, and the longest continuous dry window. |
| Local rain type | 10% | Drizzle, brief showers, thunderstorms or monsoon — each needs different gear. |
Live hourly values come from Open-Meteo and refresh through the day. Monthly rainfall figures are climate normals, so they describe a typical year rather than a forecast.
Casablanca records rain on roughly 56 days a year — about a 15% chance on any given day — totalling around 427mm.
December, with about 72mm over 10 rain days. That is 17% of the entire year's rainfall in a single month.
July is the driest month at 1mm across roughly 1 days. May through September offers reliably dry weather with Atlantic breezes keeping temperatures comfortable.
Casablanca has a classic Mediterranean-Atlantic climate — dry summers and wet winters. The coastal location moderates temperatures year-round.
No. Probability is the chance that at least 0.2mm of rain falls at your location at some point in the period. Check the expected millimetres alongside it: 40% with 0.4mm is a passing shower, 40% with 12mm is a soaking.