May weather forecastCasablanca, Morocco

May
Weather in May
May turns the weather dial towards summer in Casablanca. A shift to warmer climate is evident with temperatures rising consistently and daylight hours getting longer. With a remarkable drop in rainfall, reaching as few as 19mm (0.75"), Casablanca approaches a nearly dry month. This absence of heavy rains and pleasant temperatures creates an optimum setting for outdoor events and social gatherings. The charm of the city gets accentuated under the clear blue sky of May.Temperature
The initiation of May in Casablanca, Morocco, sees an average high-temperature of a still agreeable 22.2°C (72°F), showing minor variations from the previous month. Throughout May, an average low-temperature of 14.2°C (57.6°F) is experienced.Rainfall
In Casablanca, during May, the rain falls for 5.4 days and regularly aggregates up to 19mm (0.75") of precipitation. In Casablanca, during the entire year, the rain falls for 73.9 days and collects up to 427mm (16.81") of precipitation.Sea temperature
In Casablanca, the average seawater temperature in May is 19.7°C (67.5°F).Note: In water with a temperature of 19.7°C (67.5°F), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In May, the average length of the day in Casablanca is 13h and 55min.On the first day of the month, sunrise is at 06:41 and sunset at 20:13. On the last day of May, sunrise is at 06:21 and sunset at 20:35 +01.
Sunshine
In Casablanca, the average sunshine in May is 9.5h.UV index
In May, the average daily maximum UV index is 9. A UV Index value of 8 to 10 symbolizes a very high health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 9 during May, leads to the following recommendations:
Skin and eyes are vulnerable without protection. Ensure you always take precautions. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Casablanca, Morocco
- Average high temperature in May: 22.2°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (17.1°C).
- Average low temperature in May: 14.2°C
The month with the highest average low temperature is August (20.1°C).
The coldest month (with the lowest average low temperature) is January (8.4°C).
Average rainfall in May
Casablanca, Morocco
- Average rainfall in May: 18.8mm
The wettest month (with the highest rainfall) is December (77.7mm).
The driest month (with the least rainfall) is August (0.4mm).
Average rainfall days in May
Casablanca, Morocco
- Average rainfall days in May: 5.4 days
The month with the highest number of rainy days is December (10.2 days).
The months with the least rainy days are July and August (0.4 days).
Average sea temperature in May
Casablanca, Morocco
- Average sea temperature in May: 19.7°C
The best month for swimming (with the highest average sea temperature) is August (23.3°C).
The coldest month (with the lowest average sea temperature) is February (17.1°C).
Average daylight in May /
Average sunshine in May
Casablanca, Morocco
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 9h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average UV index in May
Casablanca, Morocco
- Average UV index in May: 9
The months with the highest UV index are June, July and August (UV index 10).
The months with the lowest UV index are January and December (UV index 3).





