June in
Karachi witnesses the culmination of summer with temperatures frequently nearing their annual peak. The city sweats under its hottest phase, enduring the highest degree of heat that it experiences throughout the year. With daylight hours at the zenith, the scorching heat lasts for longer periods. However, contrary to common expectation, June accounts for the least sunshine hours in the year. As monsoon clouds gather, June transitions into a rainier month preparing for what lies ahead in
July.
Temperature
Karachi experiences a subtle adjustment in high-temperatures to a tropical 34.8°C (94.6°F) with the onset of June, maintaining near parity with
May's 35.2°C (95.4°F). Throughout June, the nighttime temperature in Karachi averages to a moderately hot 27.9°C (82.2°F).
Rainfall
January through
April, June through
December are months with rainfall. June is the first month it rains in Karachi. Throughout June, Karachi receives 6mm (0.24") of precipitation. Throughout the year, 217mm (8.54") of rain is accumulated.
Sea temperature
The months with the warmest seawater are June and July, with an average sea temperature of 29°C (84.2°F).
Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.
Daylight
The month with the longest days in Karachi is June, with an average of 13h and 42min of daylight.
On the first day of June, sunrise is at 5:42 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 7:25 pm PKT.
Sunshine
The average sunshine in June in Karachi is 7.7h.
UV index
April through
August, with an average maximum UV index of 12, are months with the highest UV index in Karachi. A UV Index reading of 11, and higher, represents an excessive health risk from unsafe exposure to UV radiation for average individuals.
Note: In June, the maximum UV index of 12 translates into these guidelines:
Execute all crucial precautions. Warding off sun exposure is non-negotiable. 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 holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Even under cloud cover, use sunscreen with at least an SPF 30 generously and reapply frequently post every swim or outdoor exercise. Notice! The reflection of water and sand increases the UV radiation significantly.