May weather forecast
Karachi, Pakistan

May brings Karachi closer to its peak summer phase, featuring the highest recorded sea temperatures of 28°C (82.4°F). The increased intensity and duration of sunshine make the afternoons particularly scorching. The onset of summer implies lengthy daylight hours and a spike in the UV index. Rarely does the city witness any rainfall in May, which could otherwise have offered temporary relief from the heat. As the city moves towards June, temperatures continue to rise, making it necessary to employ measures to avoid heat-induced illnesses.

Temperature

May is the month that records the highest temperatures in Karachi, Pakistan, with averages ranging from a high of 35.2°C (95.4°F) to a low of 25.9°C (78.6°F).

Rainfall

The only month without rainfall in Karachi is May.

Sea temperature

In Karachi, the average seawater temperature in May is 28°C (82.4°F).
Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.

Daylight

In May, the average length of the day is 13h and 21min.
On the first day of the month, sunrise is at 5:56 am and sunset at 7:01 pm. On the last day of May, sunrise is at 5:42 am and sunset at 7:16 pm PKT.

Sunshine

With an average of 9.6h of sunshine, May has the most sunshine of the year.

UV index

The months with the highest UV index are April through August, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 12 in May transforms into this advice:
Undertake all critical precautions. Protection from sun harm is vital. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Even under cloud cover, use sunscreen with at least an SPF 30 generously and reapply frequently post every swim or outdoor exercise. Beware! Reflecting off water and sand, UV rays are much stronger.