July weather forecast
Mirissa, Sri Lanka

A minute reduction in maximal temperature differentiates July from the preceding month. Meanwhile, sea temperatures remain unchanged, affirming stable conditions for marine activities. Lower daylight hours serve as a reminder of shorter days. Despite this, July follows up with similar rainfall levels of 173mm (6.81"), still distributed over nine days contrary to June’s 11.

Temperature

The beginning of July in Mirissa, Sri Lanka, records an average high-temperature of a still tropical 30°C (86°F), marking a negligible difference from June's hot 30°C (86°F). In July, the nighttime temperature lowers to an average of 24°C (75.2°F).

Rainfall

In July, the rain falls for 9 days. Throughout July, 173mm (6.81") of precipitation is accumulated. In Mirissa, during the entire year, the rain falls for 116 days and collects up to 2216mm (87.24") of precipitation.

Sea temperature

The months with the coldest seawater are January, February, June through October and December, with an average sea temperature of 28°C (82.4°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities.

Daylight

The average length of the day in July in Mirissa is 12h and 26min.
On the first day of the month, sunrise is at 05:58 and sunset at 18:25. On the last day of July, sunrise is at 06:03 and sunset at 18:25 +0530.

Sunshine

The months with the least sunshine are May through December, with an average of 6h of sunshine.

UV index

January through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 12 in July leads to these guidelines:
Practice every precaution of necessity, unprotected skin and eyes might burn in minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. One should apply and reapply liberally a broad-spectrum sunscreen of SPF 30+ every two hours and immediately after a swim or an outdoor exercise. Take caution! The UV rays from the Sun gain strength from sand and water reflections.