May weather forecast
Mecca, Saudi Arabia

May accustoms inhabitants to the intense summer heat, preparing them for the impending peak summer months. Characteristics of this month include a soaring temperature scale, each day warmer than the last. Despite this, increased sunshine hours make daylight vivid, adding an allure to the city. The heat is tolerable due to the low level of humidity. It is a month with minimal rainfall, mostly leading to dry days.

Temperature

May sees a marginal temperature increase, moving from a torrid 38.7°C (101.7°F) in April to a blistering 42°C (107.6°F). Mecca experiences a significant reduction from daytime highs with an average low-temperature of 27.6°C (81.7°F) in May.

Humidity

In Mecca, the average relative humidity in May is 36%.

Rainfall

May is the last month it rains. During 0.7 rainfall days, in May, Mecca aggregates 1mm (0.04") of precipitation. Throughout the year, in Mecca, there are 22.4 rainfall days, and 112mm (4.41") of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 10min.
On the first day of May, sunrise is at 05:49 and sunset at 18:46. On the last day of the month, sunrise is at 05:37 and sunset at 18:58 +03.

Sunshine

In Mecca, the average sunshine in May is 9.8h.

UV index

The months with the highest UV index in Mecca are March through September, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, an average UV index of 12 transforms into the following instructions:
Undertake every vital safety procedure, as unprotected skin and eyes could sustain burns in no time. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Directly after outdoor activities or swimming, a broad-spectrum sunscreen with SPF 30+ should be applied generously and reapplied frequently.