July weather forecast
Halawa, HI

The month of July in Halawa is marked by subtle yet steady temperature increments. Rainfall begins its uphill climb from the lows of June, standing at 3" (76mm) in July. Emphasizing sun protection becomes vital as the UV index peaks. The sea still offers its warm embrace, sustaining optimum levels for water activities. Longer daylight hours, combined with increased sunshine, continue to enhance the city's tropical charm.

Temperature

During July through October, Halawa experiences its highest average temperatures, peaking at 82.4°F (28°C).

Rainfall

In July, the rain falls for 8 days. Throughout July, 2.99" (76mm) of precipitation is accumulated. In Halawa, during the entire year, the rain falls for 116 days and collects up to 54.96" (1396mm) of precipitation.

Ocean temperature

In Halawa, the average seawater temperature in July is 78.8°F (26°C).
Note: Swimming, diving, and other water activities in the temperature range of 77°F (25°C) to 84.2°F (29°C) are perceived as very enjoyable and comfortable for prolonged durations.

Daylight

In Halawa, the average length of the day in July is 13h and 16min.
On the first day of July in Halawa, sunrise is at 5:49 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:05 pm HST.

Sunshine

May through September, with an average of 9h of sunshine, are months with the most sunshine.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 12 in July translates into this advice:
Adopt every precaution of necessity, unprotected skin and eyes may suffer burns instantly. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. After a swim or an outdoor workout, generously apply and regularly reapply a sunscreen with at least SPF 30, even if the day is cloudy. Take note! The UV strength of the Sun elevates when reflected off water and sand.