July weather forecast
Chilaw, Sri Lanka

July, the same as June, is another warm summer month in Chilaw, Sri Lanka, with temperature in the range of an average high of 29.2°C (84.6°F) and an average low of 25.5°C (77.9°F).

Temperature

Chilaw's July weather reaches an average high of 29.2°C (84.6°F) and an average low of 25.5°C (77.9°F), making it the coldest month.

Heat index

The heat index in July is appraised at a sweltering 36°C (96.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

June through August, with an average relative humidity of 82%, are the most humid months in Chilaw.

Rainfall

In Chilaw, in July, it is raining for 27.7 days, with typically 177mm (6.97") of accumulated precipitation. In Chilaw, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.

Sea temperature

In Chilaw, in July, the average water temperature is 27.3°C (81.1°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.

Daylight

In Chilaw, Sri Lanka, the average length of the day in July is 12h and 31min.
On the first day of the month, sunrise is at 05:58 and sunset at 18:31. On the last day of July, in Chilaw, sunrise is at 06:03 and sunset at 18:30 +0530.

Sunshine

The average sunshine in July is 8h.

UV index

January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Chilaw. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In July, the maximum UV index of 7 suggests these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice! Sand and water reflections contribute to a stronger UV exposure.