July ushers in the height of monsoon season in
Kota Bharu, where a drastic surge in rainfall occurs, with 155mm (6.1") total rainfall recorded. It forms the link between the less-rainy
June and more intense
August, leading to a transformation in the climate. The dominance of rainfall takes a toll on daylight hours, marking the reversal of the increasing pattern from the first half of the year. Unlike the considerable spike in precipitation, temperatures, both terrestrial and marine, carry forward from June with little variation. July sets the ball rolling for the rainiest and most humid months of the year - August and
September.
Temperature
The average high-temperature is a still tropical 31.9°C (89.4°F) in July, hardly different from the 32.3°C (90.1°F) recorded in June. Throughout the month of July, Kota Bharu observes an average nighttime temperature of 23.4°C (74.1°F).
Rainfall
In July, the rain falls for 11 days. Throughout July, 155mm (6.1") of precipitation is accumulated. In Kota Bharu,
Malaysia, during the entire year, the rain falls for 130.6 days and collects up to 2599mm (102.32") of precipitation.
Sea temperature
In Kota Bharu, the average seawater temperature in July is 29.9°C (85.8°F).
Note: Water temperatures ranging between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, making swimming, diving, and similar water activities pleasurable for extended periods.
Daylight
In July, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 7:00 am and sunset at 7:28 pm. On the last day of July, sunrise is at 7:05 am and sunset at 7:28 pm +08.
Sunshine
The average sunshine in July is 7.2h.
UV index
The months with the highest UV index in Kota Bharu are
January through
May, July through
October, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for the average person.
Note: In July, the maximum UV index of 12 suggests this advice:
Take all required precautions, as unprotected skin and eyes can burn in minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Sunscreen with an SPF of 30 or higher should be applied generously and frequently reapplied even on cloudy days, especially after each swim or outdoor workout. Warning! Sand and water reflections boost the intensity of UV exposure.